TI1 DS34RT5110SQX/NOPB Ds34rt5110 dvi, hdmi retimer with input equalization and output de-emphasis Datasheet

DS34RT5110
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SNLS310G – MARCH 2009 – REVISED APRIL 2013
DS34RT5110 DVI, HDMI Retimer with Input Equalization and Output De-Emphasis
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FEATURES
DESCRIPTION
•
•
The DS34RT5110 is a 10.2 Gbps (3 x 3.4 Gbps) high
performance re-clocking device that supports 3
Transition Minimized Differential Signaling (TMDS)
data channels and a single clock channel over DVI™
v1.0, and HDMI™ v1.3a data rates up to 3.4 Gbps for
each data channel. The device incorporates a
configurable receive equalizer, a clock and data
recovery (CDR) circuit and a de-emphasis driver on
each data channel. The clock channel feeds a highperformance
phase-locked
loop
(PLL)
that
regenerates a low jitter output clock for data recovery.
1
2
•
•
•
•
•
•
•
•
•
•
•
Optimized for HDMI/DVI Repeater Applications
TMDS compatible Inputs with Configurable
Receive Equalization Supporting Data Rates
up to 3.4 Gbps
TMDS compatible Outputs with Configurable
Transmit De-Emphasis
Dedicated CDR on Each Data Channel
Reduces Jitter Transfer, Enabling Multiple
Devices to be Cascaded without Impairing
Signal Fidelity
Capable of Multi-Hop Extension of HDMI/DVI
Applications at Data Rates between 250 Mbps
and 3.4 Gbps
Resistor Adjustable Differential Output Voltage
for AC Coupled Cat5e and Cat6 Extension
Applications
2 Equalizer Settings for a Wide Range of Cable
Reaches at Different Data Rates
Total Output Jitter of 0.09 UI at 2.25 Gbps
Total Output Jitter of 0.10 UI at 3.4 Gbps
DVI 1.0 and HDMI v1.3a Compatible TMDS
Source and Sink Interface
7 mm x 7 mm 48 Pin WQFN Package
>8 kV HBM ESD Protection
0 °C to +70 °C Operating Temperature
The DS34RT5110 equalizes and retimes greater than
25 meters 28 AWG of HDMI cable for 1080p
resolution with 12 bit deep color depth (2.25 Gbps), to
a low jitter version of the clock and data signal
outputs, reducing both deterministic and random jitter.
Several devices can be cascaded for long links
without degrading signal fidelity. Obtaining total jitter
is 0.09 UI or less over the supported data rates. This
low level of output jitter provides system designers
with extra margin and flexibility when working with
stringent timing budgets.
The transmitter supports configurable transmit deemphasis so the output can be optimized for driving
additional lengths of cables or FR4 traces.
APPLICATIONS
•
•
•
Repeater Applications
– Digital Routers
– HDMI / DVI Extender Multi-Hops
Source Applications
– Video Cards
– Blu-ray DVD Players
– Game Consoles
Sink Applications
– High Definition Displays
– Projectors
1
2
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2009–2013, Texas Instruments Incorporated
DS34RT5110
SNLS310G – MARCH 2009 – REVISED APRIL 2013
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Application Diagram
5m 28 AWG DVI/HDMI Cable
10.2 G DVI/HDMI Source
SER A/V
Decoder
10.2 G DVI/HDMI Sink
DES/Display
Processor
DS34RT5110
20m 28 AWG DVI/HDMI Cable
10.2 G DVI/HDMI Sink
10.2 G DVI/HDMI Source
SER/A/V
Decoder
DS34RT5110
20m 28 AWG DVI/HDMI Cable
10.2 G DVI/HDMI Source
SER/A/V
Decoder
DES/Display
Processor
5m 28 AWG DVI/HDMI Cable
DVI/HDMI Repeater
10.2 G DVI/HDMI Sink
DS34RT5110
DES/Display
Processor
PIN DESCRIPTIONS
Pin Name
Pin Number
I/O, Type
Description
High Speed Differential I/O
C_IN−
C_IN+
1
2
I, CML
Inverting and non-inverting TMDS Clock inputs to the equalizer. An on-chip 50 Ω terminating
resistor connects C_IN+ to VDD and C_IN- to VDD.
D_IN0−
D_IN0+
4
5
I, CML
Inverting and non-inverting TMDS Data inputs to the equalizer. An on-chip 50 Ω terminating
resistor connects D_IN0+ to VDD and D_IN0- to VDD.
D_IN1−
D_IN1+
8
9
I, CML
Inverting and non-inverting TMDS Data inputs to the equalizer. An on-chip 50 Ω terminating
resistor connects D_IN1+ to VDD and D_IN1- to VDD.
D_IN2−
D_IN2+
11
12
I, CML
Inverting and non-inverting TMDS Data inputs to the equalizer. An on-chip 50 Ω terminating
resistor connects D_IN2+ to VDD and D_IN2- to VDD.
C_OUTC_OUT+
36
35
O, CML
Inverting and non-inverting TMDS outputs from the equalizer. Open collector.
D_OUT0−
D_OUT0+
33
32
O, CML
Inverting and non-inverting TMDS outputs from the equalizer. Open collector.
D_OUT1–
D_OUT1+
29
28
O, CML
Inverting and non-inverting TMDS outputs from the equalizer. Open collector.
D_OUT2−
D_OUT2+
26
25
O, CML
Inverting and non-inverting TMDS outputs from the equalizer. Open collector.
Equalization Control
EQ2
EQ1
EQ0
37
38
39
I, LVCMOS
EQ2, EQ1 and EQ0 select the equalizer boost level for EQ channels. Internally pulled LOW
as default. Refer to Table 1.
De-Emphasis Control
DE1
DE0
42
43
I,
LVCMOS
DE1, DE0 select the DE-emphasis level for output drivers. Internally pulled low as default.
Refer to Table 2.
BYPASS
47
I,
LVCMOS
Reclocker enable control. Internally pulled low as default.
H = Reclock and De-Emphasis function is bypassed.
L = Normal operation.
EN
44
I, LVCMOS
Enable Output Drivers. Internally pulled HIGH as default.
H = normal operation (enabled).
L = standby mode.
MODE
21
I, LVCMOS
Clock channel mode control. Internally pulled LOW as default.
H = Clock channel is bypassed.
L = Normal operation.
SD
45
O, LVCMOS
Signal Detect Output pin.
H = signal detected on all channels.
L = no signal detected on one or more channels.
Device Control
2
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PIN DESCRIPTIONS (continued)
Pin Number
I/O, Type
LOCK
Pin Name
14
O, LVCMOS
Description
VOD_CRL
48
I,
Analog
VOD control pin. Refer to Table 3. See Functional Description.
External resistance = 24 kΩ to GND, Output DC Coupled Application.
External resistance = 12 kΩ to GND, Output AC Coupled Application.
LFp
LFn
40
41
I,
Analog
Loop filter capacitor pins.
See Functional Description.
VDD
3, 6, 7,
10, 13,
15, 46
Power
VDD = 3.3 V ±5%. VDD pins should be tied to the VDD plane through a low inductance path. A
0.1 µF bypass capacitor should be connected between each VDD pin to the GND planes. See
POWER SUPPLY BYPASSING for additional details.
GND
22, 24,
27, 30,
31, 34
GND
Ground reference. GND should be tied to a solid ground plane through a low impedance
path.
DAP
GND
Ground reference. The exposed pad at the center of the package must be connected to the
ground plane.
Lock Indicator Output pin.
H = PLL is locked.
L = PLL is not locked.
Power
Exposed
DAP
Other
Reserv
16, 17,
18, 19,
20, 23
Reserved. Do not connect. Leave open.
VOD_CRL
BYPASS
VDD
SD
EN
DE0
DE1
LFn
LFp
EQ0
EQ1
EQ2
48
47
46
45
44
43
42
41
40
39
38
37
Connection Diagram
C_IN-
1
36
C_OUT-
C_IN+
2
35
C_OUT+
VDD
3
34
GND
D_IN0-
4
33
D_OUT0-
D_IN0+
5
32
D_OUT0+
VDD
6
31
GND
VDD
7
30
GND
D_IN1-
8
29
D_OUT1-
D_IN1+
9
28
D_OUT1+
VDD
10
27
GND
D_IN2-
11
26
D_OUT2-
D_IN2+
12
25
D_OUT2+
DAP = GND
15
16
17
18
19
20
21
22
23
24
Reserv
Reserv
Reserv
Reserv
Reserv
MODE
GND
Reserv
GND
14
LOCK
VDD
13
VDD
DS34RT5110
(Top View)
TOP VIEW — Not to Scale
48 Pin WQFN Package
See Package Number RHS0048A
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These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings (1) (2)
Supply Voltage (VDD)
-0.5V to 4.0 V
LVCMOS Input Voltage
-0.5V to (VDD+ 0.5) V
LVCMOS Output Voltage
-0.5V to (VDD+ 0.5) V
CML Input/Output Voltage
-0.5V to (VDD+ 0.5) V
Junction Temperature
+125°C
Storage Temperature
-65°C to +150°C
Lead Temp. (Soldering, 5 sec.)
+260°C
ESD Rating
HBM, 1.5 kΩ, 100 pF
>8 kV
Thermal Resistance θJA, No Airflow
(1)
(2)
33°C/W
“Absolute Maximum Ratings” are the ratings beyond which the safety of the device cannot be ensured. They are not meant to imply that
the device should be operated at these limits.
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
Recommended Operating Conditions (1) (2)
Supply Voltage (VDD to GND)
Supply Noise Tolerance (100 Hz to 50 MHz)
Ambient Temperature
(1)
(2)
(3)
4
Min
Typ
Max
Units
3.135
3.3
3.465
V
(3)
100
0
25
mVp-p
+70
°C
Typical parameters are measured at VDD = 3.3 V, TA = 25 °C. They are for reference purposes, and are not production-tested.
Parameter is ensured by statistical analysis and/or design.
Allowed supply noise (mVp-p sine wave) at typical condition.
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Electrical Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified. All parameters are ensured by test,
statistical analysis, or design unless otherwise specified (1).
Symbol
Parameter
Condition
Min
Typ
Max
Units
EN = H, Device Enabled
PRBS15 pattern,
fCLK=340 MHz
RT= 50Ω to AVCC, Figure 2
1100
1250
mW
EN = L, Standby Mode
PRBS15 pattern,
fCLK=340 MHz
RT= 50Ω to AVCC, Figure 2
850
1000
mW
Power
Power Supply
Consumption
P
LVCMOS / LVTTL DC Specifications
VIH
High Level Input
Voltage
2
VDD
V
VIL
Low Level Input
Voltage
GND
0.8
V
VOH
High Level Output
Voltage
IOH = -3 mA
VOL
Low Level Output
Voltage
IOL = 3 mA
0.4
V
VIN = VDD, EQ2, EQ1, EQ0,
DE1, DE0, BYPASS, MODE
pins (pull down)
60
μA
IIH
Input High Current
2.4
VIN = VDD, EN pin (pull up)
IIL
Input Low Current
V
μA
-15
VIN = 0 V, EQ2, EQ1, EQ0,
DE1, DE0, BYPASS, MODE
pins (pull down)
VIN = 0 V, EN pin (pull up)
μA
15
μA
-20
Signal Detect
Signal Detect High
Default Input signal level to
assert SD pin
80
mVp-p
Signal Detect Low
Default Input signal level to
deassert SD
20
mVp-p
Input Voltage
Swing (Launch
Amplitude)
Measured differentially at TPA,
Figure 1 (2)
Input CommonMode Voltage
DC-Coupled requirement
Measured at TPB,
VINmin = 800mV,
VINmax = 1200mV, Figure 1
Input Voltage
Sensitivity
RIN
RLI
SDH
SDL
CML Inputs
VTX
1560
mVp-p
VDD-0.3
VDD-0.2
V
Measured differentially at TPB,
Figure 1, 3.4 Gbps, Clock
Pattern
150
1560
mVp-p
Input resistance
IN+ to VDD and IN- to VDD
40
60
Ohms
Differential output
return loss
100 MHz – 1125 MHz
Standby Output
Voltage
Measured DC outputs at TPC,
RT = 50Ω when DUT VDD is
off with OUT+ and OUTterminated by RT= 50Ω to
AVCC, Figure 2
VICMDC
VIN
800
1000
50
10
dB
CML Outputs
VOFF
(1)
(2)
AVCC - 10
AVCC+ 10
mV
Typical parameters are measured at VDD = 3.3 V, TA = 25 °C. They are for reference purposes, and are not production-tested.
Parameter is ensured by statistical analysis and/or design.
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Electrical Characteristics (continued)
Over recommended operating supply and temperature ranges unless otherwise specified. All parameters are ensured by test,
statistical analysis, or design unless otherwise specified(1).
Symbol
Parameter
Condition
Min
Typ
Max
Units
800
1200
mVp-p
AVCC- 0.35
AVCC- 0.20
V
VO
Differential Output
voltage swing
External resistor = 24 kΩ at
VOD_CRL pin.Measured
differentially with OUT+ and
OUT- terminated by RT=50Ω
to AVCC, Figure 2
VOCM
Output commonmode Voltage
Measured single-ended,
>1.65 Gbps, Figure 2,
Figure 3
tR, tF
Transition time
20% to 80% of differential
output voltage, measured
within 1” from output pins,
Figure 3
80
tCCSK
Inter Pair Data
Channel-toChannel Skew (all
3 data channels)
Difference in 50% crossing
between channels
3.4 Gbps, Clock Pattern (2)
2
tPPSK
Inter Pair Data
Channels ParttoPart Skew
Difference in 50% crossing
between channels of any two
devices
3.4 Gbps, Clock Pattern
50
ps
tDD
Data Channels
Latency
3.4 Gbps, Clock Pattern,
Figure 4
520
ps
tCD
Clock Channel
Latency
3.4 Gbps, Clock Pattern,
Figure 4
600
ps
SD to LOCK time
Figure 4
10
ms
fCLK
Clock Frequency
Clock Path (3)
25
340
MHz
bR
Bit Rate
Data Paths (3)
0.25
3.4
Gbps
ps
3
ps
LVCMOS Outputs
tSL
Bit Rate
Data Channel Random Jitter
RJ
Random Jitter
See (3) (4) (5) (6)
3
psrms
Data Channel CDR Jitter Generation
TROJ1
Total Output Jitter
0.25 Gbps
Data Paths, measured at TPC
PRBS7, EQ [2:0] = 000
Figure 1 (3) (4) (5)
0.03
0.05
UIp-p
TROJ2
Total Output Jitter
1.65 Gbps
Data Paths, measured at TPC
PRBS7, EQ [2:0] = 000
Figure 1 (3) (4) (5)
0.08
0.14
UIp-p
TROJ3
Total Output Jitter
2.25 Gbps
Data Paths, measured at TPC
PRBS7, EQ [2:0] = 000
Figure 1 (3) (4) (5)
0.09
0.16
UIp-p
TROJ4
Total Output Jitter
3.4 Gbps
Data Paths, measured at TPC
PRBS7, EQ [2:0] = 000
Figure 1 (3) (4) (5)
0.10
0.17
UIp-p
0.25 Gbps data rate
0.25
MHz
1.65 Gbps data rate
1.65
MHz
2.25 Gbps data rate
2.25
MHz
3.4 Gbps data rate
2.25
MHz
BWLOOP
(3)
(4)
(5)
(6)
6
CDR Loop
Bandwidth
Parameter is ensured by statistical analysis and/or design.
Deterministic jitter is measured at the differential outputs (TPC of Figure 1), minus the deterministic jitter before the test channel (TPA of
Figure 1). Random jitter is removed through the use of averaging or similar means.
Total Jitter is defined as peak-to-peak deterministic jitter from + 12 times random jitter (ps).
Random jitter contributed by the equalizer is defined as sq rt (JOUT2 − JIN2). JOUT is the random jitter at equalizer outputs in ps-rms, see
TPC of Figure 1; JIN is the random jitter at the input of the equalizer in ps-rms, see TPA of Figure 1.
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Electrical Characteristics (continued)
Over recommended operating supply and temperature ranges unless otherwise specified. All parameters are ensured by test,
statistical analysis, or design unless otherwise specified(1).
Symbol
Parameter
Condition
Min
Typ
Max
Units
Clock Channel PLL Jitter Generation
TROJ5
Total Output Jitter
25 MHz
Clock Path, measured at TPC
Figure 1 (7) (8) (9)
0.03
0.045
UIp-p
TROJ6
Total Output Jitter
165 MHz
Clock Path, measured at TPC
Figure 1 (7) (8) (9)
0.07
0.13
UIp-p
TROJ7
Total Output Jitter
225 MHz
Clock Path, measured at TPC
Figure 1 (7) (8) (9)
0.08
0.135
UIp-p
TROJ8
Total Output Jitter
340 MHz
Clock Path, measured at TPC
Figure 1 (7) (8) (9)
0.09
0.14
UIp-p
(7)
(8)
(9)
Parameter is ensured by statistical analysis and/or design.
Deterministic jitter is measured at the differential outputs (TPC of Figure 1), minus the deterministic jitter before the test channel (TPA of
Figure 1). Random jitter is removed through the use of averaging or similar means.
Total Jitter is defined as peak-to-peak deterministic jitter from + 12 times random jitter (ps).
Setup and Timing Diagrams
HDMI Cable B
RT
SMA
Coax
Clk +
Coax
Data0 -
Coax
Data0 +
Coax
RT
RT
SMA
SMA
SMA
RT
SMA
VDD
RT
SMA
RT
DS34RT5110
RT
Pattern Generator
Coax
VDD
SMA
Data1 -
SMA
Coax
RT
SMA
RT
Coax
RT
Coax
Coax
VDD
RT
AVcc
RT
SMA
SMA
Data2 +
AVcc
SMA
Coax
Coax
RT
Coax
Coax
Data2 -
AVcc
RT
SMA
SMA
Data1 +
RT
Coax
Jitter Test Instrument
Clk -
AVcc
VDD
HDMI Cable A
RT
Coax
SMA
SMA
Coax
TPA
TPB
TPC
TPD
Figure 1. Test Setup Diagram
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AVcc
A
50Ö
50Ö
B
VOH = VDD
Single-ended
Waveforms
@ A and B
Vocm
VOL = VDD - 500mV
Vo = 1000 mVp-p
Differential
Waveform
A-B
0V (DIFF)
Figure 2. CML Output Swings at A/B (VOD_CRL = 24 kΩ)
OUT+
80%
VO = (OUT+) ± (OUT-)
80%
0V
20%
20%
OUTtR
tF
Figure 3. CML Output Transition Times
IN
0V
tDD, tCD
OUT
0V
Figure 4. CML Latency Delay Time
8
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SD
50%
tSL
50%
LOCK
Figure 5. SD – LOCK Delay Time
Functional Description
The DS34RT5110 DVI, HDMI Retimer with Input Equalization and Output De-Emphasis consists of three data
channels and a clock channel. Each data channel consists of a TMDS compatible receiver with a power efficient
equalizer, a dedicated clock-data recovery (CDR) unit, and a TMDS compatible transmitter.
3V3
VDD
3V3
VDD
10 PF
DS34RT5110
10 PF
VDD
HDMI / DVI
Retimer
VDD
All Bypass CAPS
0.1 PF unless noted.
VDD
VDD
VDD
MODE
VDD
C_IN+
AVCC
1
C_OUT+
0
C_OUT-
VDD
AVCC
D_OUT0+
D_IN0+
D_IN0-
D_OUT0-
VDD
D_IN1+
D_IN1-
VDD
EQ
DE
D_OUT1+
D_IN2+
D_OUT2-
D_IN2-
D_OUT2+
EQ0
EQ1
EQ2
AVCC
VOD_CRL
LOCK
Other
Outputs
SD
DE0
DE1
LFn
Analog
Pins
LFp
DAP
EN
BYPASS
MODE
AVCC
D_OUT1-
CDR
GND
Other
Control
Output
Input
De-E Equalization
Control
Control
TMDS INPUT PORT - 4 CHANNEL
C_IN-
TMDS OUTPUT PORT - 4 CHANNEL
DC Couple 50 Ö Termination
PLL
Reserv
GND
Figure 6. Block Diagram
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PHASE-LOCKED-LOCKED LOOP (PLL)
The clock channel has a high-performance PLL that creates a low jitter sampling clock for the clock and data
recovery units in the data channels. An external loop filter, composed of 2.2 nF (+ 5% tolerance) capacitor and a
3.3 kΩ (+ 5% tolerance) resistor in series, are required between the LFp and the LFn pins.
CLOCK-DATA RECOVERY UNIT (CDR)
Each TMDS data channel has a CDR that operates independently from other TMDS data channels. Each CDR
aligns the sampling clock edges by digitally interpolating the clock from PLL of the TMDS clock channel. The
device is designed to connect to DVI/HDMI compatible transmitter and receiver at any data rate between 250
Mbps to 3.4 Gbps. The loop bandwidth of the CDR is approximately baud_rate/1000, i.e. 2.25 MHz for 2.25 Gbps
data.
INPUT EQUALIZATION
The input data channel equalizers support eight programmable levels of equalization boost Table 1 by the EQ
pins (EQ [2:0]). The range of boost settings provided enables the DS34RT5110 to address a wide range of
transmission line path loss scenarios, enabling support for a variety of data rates and formats. See Application
Information for recommended EQ settings.
OUTPUT DE-EMPHASIS
De-emphasis is the conditioning function for use in compensating against backplane and cable transmission loss.
The DS34RT5110 provides four steps of de-emphasis ranging from 0, 3, 6 and 9 dB, user-selectable dependent
on the loss profile of output channels. Table 2 shows the De-emphasis control with default VO = 1000 mVp-p,
and Figure 7 shows a driver de-emphasis waveform.
OUTPUT VO CONTROL
Output differential voltage (VO) is controlled through VOD_CRL pin ties an external resistor to the ground as
shown in Table 3. Users should restrict the external resistor values used to be 12 kΩ to 24 kΩ. +5% tolerance is
recommended.
Table 1. Equalization Control
INPUTS
RESULT
EQ2
EQ1
EQ0
Equalization in dB (1.7 GHz)
0
0
0
0 (default)
0
0
1
10
0
1
0
16
0
1
1
19
1
0
0
23
1
0
1
25
1
1
0
26
1
1
1
27
Table 2. De-Emphasis Control
INPUTS
10
RESULT
DE1
DE0
VO De-Emphasis level in mVp-p
(VODE w/VOD_CRL = 24 kΩ
VO De-Emphasis in dB
0
0
1000 (default)
0 (default)
0
1
710
-3
1
0
500
-6
1
1
355
-9
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Table 3. VO Control
External Resistor Value
(VOD_CRL pin)
Applications
VO Level (mVp-p)
24 kΩ
DC Coupled
1000
12 kΩ
AC Coupled
1000
1-bit
1 to N bits
1-bit
1 to N bits
0 dB
-3 dB
-6 dB
VO
-9 dB
VODE3
0V
VODE2
VODE1
Figure 7. Output De-Emphasis Differential Waveform (showing all de-emphasis steps)
RETIMING AND DE-EMPHASIS BYPASS
The retiming and De-emphasis BYPASS pin provides the flexibility to configure the device to an equalizer only
mode. The device is in normal operation, when holding a LOW state on the BYPASS pin. The retiming and Deemphasis features are disabled, when a HIGH state is applied.
CLOCK CHANNEL MODE CONTROL
During the normal operation mode, the clock channel signal is regenerated by the PLL and the CDR. Holding a
LOW state (default) on the MODE pin places the DS34RT5110 in this normal operation mode. A HIGH state on
the MODE pin bypasses the clock channel. This clock channel mode feature enables the multi-hop applications.
(Refer to Multiple Hop Application for detailed information)
DEVICE STATE AND ENABLE CONTROL
The DS34RT5110 has an Enable feature which provides the ability to control device power consumption. This
feature can be controlled via the Enable Pin (EN Pin). If Enable is activated, the data channels and clock channel
are placed in the ACTIVE state and all device blocks function as described. The DS34RT5110 can also be
placed in STANDBY mode to save power. In this mode, the output drivers of the device are disabled. The CML
outputs are in the HIGH (AVCC) state. All LVCMOS outputs are in the HiZ state.
LOCK DETECT
When the PLL of the DS34RT5110 is locked, and the generated reference phases are successfully interpolated
by the CDR, this status is indicated by a logic HIGH on the LOCK pin. The LOCK pin may be connected to the
Enable (EN) pin input to disable the data channels and clock channel when no data signal is being received.
SIGNAL DETECT
The DS34RT5110 features a signal detect circuit on all channels. The status of the input signals can be
determined by the state of the SD pin. A logic HIGH indicates the presence of signals that have exceeded a
specified maximum threshold value (called SD_ON) on all channels. A logic LOW means that the signals have
fallen below a minimum threshold value (called SD_OFF) on one or more channels.
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AUTOMATIC ENABLE FEATURE
During normal operation (i.e. BYPASS pin is LOW), the DS34RT5110 can be configured to automatically enter
STANDBY mode, if the PLL of the DS34RT5110 is not locked. The STANDBY mode can be implemented by
connecting the LOCK DETECT (LOCK) pin to the external (LVCMOS) Enable (EN) pin. If the LOCK pin is
connected to the EN pin, a logic HIGH on the LOCK pin will enable the device; thus the DS34RT5110 will
automatically enter the ACTIVE state. If the PLL is unlocked, then the LOCK pin will be asserted LOW, causing
the aforementioned blocks to be placed in the STANDBY state.
APPLICATION INFORMATION
The DS34RT5110 is a DVI/HDMI video signal reconditioning device. The device conforms to DVI v1.0 and HDMI
v1.3a standards supporting up to 10.2 Gbps total throughput TMDS data for 1080p with 48 bit deep color depth.
TYPICAL APPLICATION
In general, the DS34RT5110 in the default mode (MODE = L) is used as a DVI/HDMI source device, sink device,
or a repeater device, see Figure 8. As the source device, the output de-emphasis setting should be configured
based on the driving cable length. When used as the sink device, the levels of the equalization boost of the input
data channels should be optimized based on the receiving cable length. The DS34RT5110 can also be used as
a repeater in an external extender box with the equalization and de-emphasis level settings optimized to provide
the maximum cable reach.
5m 28 AWG DVI/HDMI Cable
10.2 G DVI/HDMI Source
SER A/V
Decoder
10.2 G DVI/HDMI Sink
DES/Display
Processor
DS34RT5110
20m 28 AWG DVI/HDMI Cable
10.2 G DVI/HDMI Sink
10.2 G DVI/HDMI Source
SER/A/V
Decoder
DS34RT5110
20m 28 AWG DVI/HDMI Cable
10.2 G DVI/HDMI Source
SER/A/V
Decoder
DES/Display
Processor
5m 28 AWG DVI/HDMI Cable
DVI/HDMI Repeater
10.2 G DVI/HDMI Sink
DS34RT5110
DES/Display
Processor
Figure 8. Typical Application Diagram
MULTIPLE HOP APPLICATION
For DVI/HDMI home theater and professional studio systems with extensive lengths of cable, multi-hops with 2 or
more cascaded DS34RT5110 devices can be implemented as shown in Figure 9. In order to reach the maximum
cable length, the levels of the equalization and de-emphasis should be optimized for each individual hop. The
MODE pin(s) of the device at the first hop (using two hop application), or at the first and the second hops (using
three hop application shown in Figure 9) is recommended to be set HIGH to minimize the jitter accumulation in
multiple hops. The MODE pin of the device for the final hop should be set to a LOW state to clean up the clock
jitter, in order to drive the maximum cable length to the Sink.
12
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MODE = 1
20m CAT5 Cable
HDMI Source
HOP 1
SER/A/V Decoder
DS34RT5110
20m CAT5 Cable
MODE = 1
HOP 2
DS34RT5110
20m CAT5 Cable
MODE = 0 (Default)
20m CAT5 Cable
HDMI Sink
Final HOP
DES / Display
Processor
DS34RT5110
Figure 9. Multiple Hop Systems
MATRIX SWITCH APPLICATION
For the security system with matrix DVI/HDMI switches, the DS34RT5110 is ideal to equalize the long cable
reach requirement from the Sources, clean the system jitter due to the complexity of PCB routings, and
regenerate clean TMDS signals to the Sinks as shown in Figure 10.
Source
Sink
DS34RT5110
DS34RT5110
Source
Sink
DS34RT5110
DS34RT5110
DVI / HDMI Matrix Switch
DS34RT5110
DS34RT5110
Source
Sink
Figure 10. Matrix Switch Systems
DUAL LINK APPLICATION
The DS34RT5110 supports DVI dual link applications requiring ultra-high resolutions for QXGA and WQXGA.
Two DS34RT5110 devices are configured as shown in Figure 11. This configuration is only recommended for a
single dual link repeater application.
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MODE = 1
D0
D0
D1
D1
DS34RT5110
D2
D2
CLK
MODE = 0 (Default)
CLK
CLK
D3
D3
DS34RT5110
D4
D4
D5
D5
Figure 11. DVI/HDMI Dual Link Application
DC AND AC COUPLED APPLICATIONS
The DS34RT5110 is designed to support TMDS differential pairs with DC coupled transmission lines. It contains
integrated termination resistors (50Ω), pulled up to VDD at the input stage, and open collector outputs for DVI /
HDMI signaling. Figure 12 shows the DC coupled connection between the HDMI Source (ie. DS34RT5110) and
HDMI Sink (ie. DS34RT5110) devices. In the DC coupled application, the external resistance of 24 kΩ at
VOD_CRL pin is used at the Source to ensure the VO level of 1000 mVp-p. The AC coupled method connecting
between the Source and the Sink devices may be preferred to eliminate the impact of the ground potential
difference, or to use one CAT5/6 cable between two chassis. To optimize the DS34RT5110 performance, the
external resistance of 12 kΩ at the VOD_CRL pin should be used on the Source DS34RT5110, and a pair of 50
Ω pull-up resistors should be placed close to the outputs of the Source DS34RT5110, in order to DC bias the
output driver. Meanwhile, 622Ω pull-down resistors should be placed at the inputs of the Sink DS34RT5110
device, in order to set the input common mode to a 3.05 V. Note AC coupled configuration is not compliant to the
HDMI specification of Source requirement (See Figure 13).
VDD
DS34RT5110
Driver
505
505
Zo
DS34RT5110
Receiver
VOD_CRL
VOD_CRL
24 k5
24 k5
Figure 12. DC Coupled Application
14
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VDD
DS34RT5110
Driver
VDD
505
505
505
505
Zo
6225
6225
DS34RT5110
Receiver
VOD_CRL
VOD_CRL
12 k5
24 k5
Figure 13. AC Coupled Application
CABLE SELECTION AND INTER-PAIR SKEW
DVI v1.0 and HDMI v1.3a specify Inter-Pair Skew requirements for the system. The DS34RT5110 intends to
extend the longer cable reach with STP (DVI / HDMI) cable, or UTP (Cat5 / Cat5e / Cat6) cable, and it does not
have a de-skew function to compensate any cable Inter-Pair Skews. Long cable with Inter-Pair Skew exceeding
the DVI / HDMI standard limit tolerance could cause system distortion. Therefore, TI suggests the consideration
of Inter-Pair Skew budget during the system design, and recommends Low-Skew Video grade cables for cable
extending applications.
28 AWG STP (SHIELDED TWIST PAIRS) DVI / HDMI CABLES RECOMMENDED EQ SETTINGS
Table 4 provides the recommended EQ control settings for various data rates and cable lengths for 28 AWG
DVI/HDMI compliant configurations. The EQ setting is made via three EQ [2:0] pins.
Table 4. EQ Control Setting for STP Cable
Format (Data Rate)
0 ~ 10m
> 10m
1080P 48-bit (3.4 Gbps)
Setting 0x01
Setting 0x06
1080P 36-bit (2.25 Gbps)
Setting 0x01
Setting 0x06
1080P (1.65 Gbps)
Setting 0x01
Setting 0x06
1080I (750 Mbps)
Setting 0x06
Setting 0x06
24 AWG UTP (LOW SKEW UNSHIELDED TWIST PAIRS) CABLES
The DS34RT5110 can be used to extend the length of low skew grade UTP cables, such as Cat5e and Cat6 to
distances greater than 30 meters at 1.65 Gbps with < 0.20 UI of jitter. Note that for non-standard DVI/HDMI
cables, the user must ensure the inter pair skew requirements are met. Table 5 shows the recommended EQ
control settings for various data rates and cable lengths for UTP configurations.
Table 5. EQ Control Setting for UTP Cable
Format (Data Rate)
0 ~ 10m
> 10m
1080P 48-bit (3.4 Gbps)
Setting 0x01
Setting 0x05
1080P 36-bit (2.25 Gbps)
Setting 0x01
Setting 0x05
1080P (1.65 Gbps)
Setting 0x01
Setting 0x05
1080I (750 Mbps)
Setting 0x05
Setting 0x05
General Recommendations
The DS34RT5110 is a high performance circuit capable of delivering excellent performance. To achieve optimal
performance, careful attention must be paid to the details associated with high-speed design as well as providing
a clean power supply. Refer to the LVDS Owner’s Manual for more detailed information on high-speed design
tips as well as many other available resources addressing signal integrity design issues.
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PCB LAYOUT CONSIDERATIONS FOR DIFFERENTIAL PAIRS
The TMDS differential inputs and outputs must have a controlled differential impedance of 100 Ω. It is preferable
to route TMDS lines exclusively on one layer of the board, particularly for the input traces. The use of vias should
be avoided if possible. If vias must be used, they should be used sparingly and must be placed symmetrically for
each side of a given differential pair. Route the TMDS signals away from other signals and noise sources on the
printed circuit board. All traces of TMDS differential inputs and outputs must be equal in length to minimize intrapair skew.
WQFN FOOTPRINT RECOMMENDATIONS
See TI application note: AN-1187 “Leadless Leadframe Package (LLP) Application Report” (literature number
SNOA401) for additional information on WQFN packages footprint and soldering information.
POWER SUPPLY BYPASSING
Two approaches are recommended to ensure the DS34RT5110 is provided with an adequate power supply.
First, the supply (VDD) and ground (GND) pins should be connected to power planes routed on adjacent layers
of the printed circuit board. The layer thickness of the dielectric should be minimized so the VDD and GND
planes create a low inductance supply with distributed capacitance. Second, careful attention to supply
bypassing through the proper use of bypass capacitors is required. A 0.1 μF bypass capacitor should be
connected to each VDD pin such that the capacitor is placed as close as possible to the DS34RT5110. Smaller
body size capacitors can help facilitate proper component placement. Additionally, two capacitors with
capacitance in the range of 2.2 μF to 10 μF should be incorporated in the power supply bypassing design as
well. These capacitors can be either tantalum or an ultra-low ESR ceramic and should be placed as close as
possible to the DS34RT5110.
EQUIVALENT I/O STRUCTURES
Figure 14 shows the DS34RT5110 CML output structure and ESD protection circuitry.
Figure 15 shows the DS34RT5110 CML input structure and ESD protection circuitry.
OUT+
OUT+ Clamp
Circuitry
Figure 14. Equivalent Output Structure
VDD
505
505
Figure 15. Equivalent Input Structure
16
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Typical Performance Characteristics as a Repeater
Pattern
Generator
DS34RT5110
Cable A
Coax
TPA
TPB
Cable B
TPC
Coax
Jitter
Test
Instrument
TPD
Figure 16. Simplified Test Setup as a Single Repeater
Figure 17. System Source Eye Diagram at TPA
(3.4 Gbps)
Figure 18. Device Sink Eye Diagram at TPB
(3.4 Gbps, Cable A = 20m 28 AWG HDMI)
Figure 19. Device Source Eye Diagram at TPC
(3.4 Gbps, Cable A = 20m 28 AWG HDMI,
EQ = 0x05, BYPASS = 0, DE = 0dB)
Figure 20. Device Source Eye Diagram at TPC
(3.4 Gbps, Cable A = 20m 28 AWG HDMI,
EQ = 0x05, BYPASS = 0, DE = -3dB)
Figure 21. System Sink Eye Diagram at TPD
(3.4 Gbps, Cable A = 20m 28 AWG HDMI, Cable B = 5m
28AWG HDMI, EQ = 0x05, BYPASS = 0, DE = -3dB)
Figure 22. System Source Eye Diagram at TPA
(2.25 Gbps)
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Typical Performance Characteristics as a Repeater (continued)
18
Figure 23. Device Sink Eye Diagram at TPB
(2.25 Gbps, Cable A = 25m 28 AWG HDMI)
Figure 24. Device Source Eye Diagram at TPC
(2.25 Gbps, Cable A = 25m 28 AWG HDMI,
EQ = 0x05, BYPASS = 0, DE = 0dB)
Figure 25. Device Source Eye Diagram at TPC
(2.25 Gbps, Cable A = 25m 28 AWG HDMI,
EQ = 0x05, BYPASS = 0, DE = -3dB)
Figure 26. System Sink Eye Diagram at TPD
(2.25 Gbps, Cable A = 25m 28 AWG HDMI, Cable B = 7.5m
28AWG HDMI, EQ = 0x05, BYPASS = 0, DE = -3dB)
Figure 27. System Source Eye Diagram at TPA
(1.65 Gbps)
Figure 28. Device Sink Eye Diagram at TPB
(1.65 Gbps, Cable A = 35m 28 AWG HDMI)
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Typical Performance Characteristics as a Repeater (continued)
Figure 29. Device Source Eye Diagram at TPC
(1.65 Gbps, Cable A = 35m 28 AWG HDMI,
EQ = 0x05, BYPASS = 0, DE = 0dB)
Figure 30. Device Source Eye Diagram at TPC
(1.65 Gbps, Cable A = 35m 28 AWG HDMI,
EQ = 0x05, BYPASS = 0, DE = -6dB)
Figure 31. System Sink Eye Diagram at TPD
(1.65 Gbps, Cable A = 35m 28 AWG HDMI, Cable B = 10m 28AWG HDMI, EQ = 0x05, BYPASS = 0, DE = -6dB)
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REVISION HISTORY
Changes from Revision F (April 2013) to Revision G
•
20
Page
Changed layout of National Data Sheet to TI format .......................................................................................................... 19
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PACKAGE OPTION ADDENDUM
www.ti.com
5-Nov-2014
PACKAGING INFORMATION
Orderable Device
Status
(1)
Package Type Package Pins Package
Drawing
Qty
Eco Plan
Lead/Ball Finish
MSL Peak Temp
(2)
(6)
(3)
Op Temp (°C)
Device Marking
(4/5)
DS34RT5110SQ/NOPB
NRND
WQFN
RHS
48
1000
Green (RoHS
& no Sb/Br)
CU SN
Level-3-260C-168 HR
0 to 70
34RT5110
DS34RT5110SQE/NOPB
NRND
WQFN
RHS
48
250
Green (RoHS
& no Sb/Br)
CU SN
Level-3-260C-168 HR
0 to 70
34RT5110
DS34RT5110SQX/NOPB
NRND
WQFN
RHS
48
2500
Green (RoHS
& no Sb/Br)
CU SN
Level-3-260C-168 HR
0 to 70
34RT5110
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability
information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight
in homogeneous material)
(3)
MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4)
There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5)
Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation
of the previous line and the two combined represent the entire Device Marking for that device.
(6)
Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish
value exceeds the maximum column width.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
Addendum-Page 1
Samples
PACKAGE OPTION ADDENDUM
www.ti.com
5-Nov-2014
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
Addendum-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
24-Apr-2013
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
DS34RT5110SQ/NOPB
WQFN
RHS
48
DS34RT5110SQE/NOPB
WQFN
RHS
DS34RT5110SQX/NOPB
WQFN
RHS
SPQ
Reel
Reel
A0
Diameter Width (mm)
(mm) W1 (mm)
B0
(mm)
K0
(mm)
P1
(mm)
W
Pin1
(mm) Quadrant
1000
330.0
16.4
7.3
7.3
1.3
12.0
16.0
Q1
48
250
178.0
16.4
7.3
7.3
1.3
12.0
16.0
Q1
48
2500
330.0
16.4
7.3
7.3
1.3
12.0
16.0
Q1
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
24-Apr-2013
*All dimensions are nominal
Device
Package Type
Package Drawing
Pins
SPQ
Length (mm)
Width (mm)
Height (mm)
DS34RT5110SQ/NOPB
WQFN
RHS
48
1000
367.0
367.0
38.0
DS34RT5110SQE/NOPB
WQFN
RHS
48
250
213.0
191.0
55.0
DS34RT5110SQX/NOPB
WQFN
RHS
48
2500
367.0
367.0
38.0
Pack Materials-Page 2
MECHANICAL DATA
RHS0048A
SQA48A (Rev B)
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