SONY CXA2112

CXA2112R
LCD Driver
For the availability of this product, please contact the sales office.
Description
The CXA2112R is a driver IC developed for use in
the 6-input/12-input Sony polysilicon TFT LCD panel
(LCX016/017). It has a line invert amplifier and
analog de-multiplexers, timing generator and output
buffers required for these. CXA2112R can directly
drive analog inputs of LCX016/017. It is used one IC
with the LCX016, and two ICs with the LCX017. The
VCOM setting circuit and pre-charge pulse waveform
generator are also on-chip.
64 pin LQFP (Plastic)
Features
• High-speed signal processing supports XGA high refresh signal (dot clock to 100MHz)
• Overall wide band response
• Low output deviation by on-chip output offset cancel circuit
• Small phase delay difference between inverted signal and non-inverted signal
• On-chip timing generator with ECL
• Dot clock phase adjustment function
• VCOM voltage generation circuit
• Pre-charge pulse waveform generation circuit
Absolute Maximum Ratings
• Supply voltage
• Supply voltage
• Operating temperature
• Storage temperature
• Allowable power dissipation
Operating Conditions
• Supply voltage
• Supply voltage
VCC
VDD
PD
16
5.5
–20 to +70
–65 to +150
2300
VCC
VDD
15 to 15.5
4.75 to 5.25
V
V
°C
°C
mW (single layered board mounted)
V
V
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E97801A81-PS
CXA2112R
OFFSET
VIDEO_IN
INV_OUT
SH_IN
FRP
VCC
SID_OFST
D.P
D.P
SID_IN
SID_OUT
ISET
NC
SIGCEN
VCOMOFST
VCOMOUT
Block Diagram
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
DLY_CNT 49
32 GND2
MCLK 50
INVERT
AMP
31 SH_OUT1
MCLK/ 51
SID
BIAS
30 NC
VCOM
INV_CNT 52
29 SH_OUT2
S/H
VDD 53
S/H
BUFFER
28 NC
D
OFFSET CANCEL
CLOCK
DELAY
CLK_OUT 54
S/H
27 SH_OUT3
S/H
S/H
S/H
BUFFER
CLK_OUT/ 55
26 PVCC
OFFSET CANCEL
D.P 56
S/H
S/H
D.P 57
CLK_IN 59
S/H
24 D.P
S/H
S/H
23 PGND
BUFFER
22 NC
OFFSET CANCEL
TIMING
GENERATOR
NC 60
25 D.P
BUFFER
OFFSET CANCEL
S/H
Pulses
DGND 58
S/H
S/H
S/H
CLK_IN/ 61
S/H
BUFFER
21 SH_OUT4
OFFSET CANCEL
PRG 62
S/H
offset cancel
mode timing
S/H
20 NC
S/H
BUFFER
19 SH_OUT5
OFFSET CANCEL
NC 63
18 NC
NC 64
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
POS_CNT1
POS_CNT2
NEXT_OUT
NEXT_IN
F/R_CNT
GND
NC
D.P
D.P
S/12_CNT
NC
ENB
DIR_CNT
NC
NC
NC
17 SH_OUT6
–2–
CXA2112R
Pin Description
Pin
No.
Symbol
1
POS_CNT1
I/O
Equivalent circuit
Description
VDD
VDD
I
2
Standard
voltage level
See
Table A-1.
60k
1
2k
1.6V
20µ
2
Sample-and-hold position
setting.
See Tables A-1, A-2 and A-3.
POS_CNT2
20µ 10µ
VDD
3
NEXT_OUT
O
VDD
3
Approx. 4V
Connect as closely as
possible to NEXT_IN.
600µ
VDD
0.7k
VDD
4
NEXT_IN
I
Connect as closely as
possible to NEXT_OUT.
4
16k
5
F/R_CNT
I
High: ≥ 2.5V
Low: ≤ 0.8V
OPEN High
VDD
VDD
VDD VDD
10k
100k
VDD
100k
Before/after decision for
12-output.
See Table B.
100k
6-output/12-output switch.
High: 6-output
Low: 12-output.
See Table B.
10k
20k
10
S/12_CNT
I
High: ≥ 2.5V
Low: ≤ 0.8V
OPEN High
5
25µ
10
VDD
VDD
150k
VDD
50k
12
ENB
I
High: ≥ 2.5V
Low: ≤ 0.8V
145
12
50k
–3–
Horizontal sync signal ENB
input.
Refer to Timing Chart.
CXA2112R
Pin
No.
Symbol
I/O
Standard
voltage level
Equivalent circuit
Description
VDD
13
DIR_CNT
I
High: ≥ 2.5V
Low: ≤ 0.8V
OPEN High
10k
100k
VDD
100k
VDD VDD
VDD
10k
Scan direction switch.
High: forward scan
Low: reverse scan
20k
13
25µ
100k
6
GND
17
SH_OUT6
19
SH_OUT5
21
SH_OUT4
27
SH_OUT3
29
SH_OUT2
31
SH_OUT1
GND
Analog GND.
PVCC
PVCC
17 27
O
4k
19 29
2.5 to 11.5V
21 31
Output.
4k
2p
4k
VCC
VCC 70µ
33
VCOMOUT
O
5 to 8V
VCC
10µ
VCC
500
80µ
VCC
2k
34
40k
200k
1p
500
100k
VCC
34
VCOMOFST
I
0 to 10V
145
33
VCC
10k
35
SIGCEN
I
7V
35
20µ
–4–
VCOM output.
Can be set to VSIGCEN to
VSIGCEN –2V by Pin 34 input.
VSIGCEN: voltage set by Pin 35.
VCOM output setting.
Deviation from SIGCEN
input is 0 for input setting of
0V. VCOM is set at the
minus side from VSIGCEN at
high voltage.
Center voltage of signal
inversion setting.
Output signal is inverted,
centered around this voltage,
by FRP high/low. Normally,
set to 7V.
CXA2112R
Pin
No.
Symbol
I/O
Standard
voltage level
Equivalent circuit
VCC
VCC
45µ
10µ
VCC
37
ISET
I
Description
1.35V
2k
145
37
4p
Vcc circuit bias current
setting.
Normally, connect 27kΩ
(±1%) between this pin and
GND.
VCC
75k
VCC
SID signal waveform output.
Connect to an external
buffer for panel.
0.2p
38
SID_OUT
O
2.5 to 11.5V
38
75k
0.2p
23
PGND
GND
Power GND.
26
PVCC
15.5V
Power Vcc.
Connect directly to Vcc.
32
GND2
GND
Analog GND.
VCC
19.5k
39
SID_IN
I
2.3 to 3.3V
91k
7V
VCC
39
SID signal input.
78k
19.5k
VCC
42
SID_OFST
I
30k
3.3V
SID signal input offset
setting.
42
10µ
VDD
VDD
44
FRP
I
VDD
High: ≥ 2.5V
Low: ≤ 0.8V
100k
50k
10k
44
50k
–5–
Invert pulse input.
High: inverse
Low: non-inverse
Refer to Timing Chart.
CXA2112R
Pin
No.
Symbol
I/O
Standard
voltage level
Equivalent circuit
VCC
45
SH_IN
I
2.5 to 11.5V
Description
1.9k
Sample-and-hold circuit
common input.
Should not be less than 2V.
45
200
VCC
VCC
VCC
560µ
VCC
46
INV_OUT
O
2.5 to 11.5V
Invert amplifier output.
46
620µ
VCC
VCC
300µ
47
VIDEO_IN
I
2.0 to 3.3V
Invert amplifier input.
145
47
VCC
30k
48
OFFSET
I
3.3V
48
10µ
Video signal input offset
setting.
Inputs 100% white level.
VDD
VDD
2k
49
49
DLY_CNT
I
3 to 5V
Dot clock phase adjustment.
50µ
43
VCC
15V power supply.
15.5V
–6–
CXA2112R
Pin
No.
Symbol
I/O
Standard
voltage level
Equivalent circuit
Description
VDD
50
MCLK
VDD
20k
I
PECL
differential
1k
Dot clock input.
100µ
VDD
51
10µ
50
20k
MCLK/
51
1k
VDD
VDD
52
INV_CNT
I
High: ≥ 2.5V
Low: ≤ 0.8V
10µ
Dot clock phase invert
control.
2k
52
VDD
54
CLK_OUT
I
55
VDD – 0.3V
to VDD
Phase adjusted dot clock
output.
54
55
CLK_OUT/
1m
VDD VDD
VDD
59
VDD
CLK_IN
2k
2k
145
I
59
VDD – 0.3V
to VDD
61
CLK_IN/
On-chip timing generator
clock input.
Connect directly to Pins 54
and 55.
100µ
VDD
145
I
61
VDD
VDD
VDD
62
PRG
I
High: ≥ 2.5V
Low: ≤ 0.8V
150k
50k
145
62
50k
–7–
Horizontal sync signal PRG
input.
Refer to Timing Chart.
CXA2112R
Pin
No.
Symbol
53
VDD
58
DGND
8, 9,
24, 25,
D.P
40, 41,
56, 57
I/O
Standard
voltage level
Equivalent circuit
5V
Description
5V power supply.
Digital GND.
Die pad.
Used as thermal radiator on
board.
Connect to GND.
GND
7, 11,
14, 15,
16, 18,
20, 22, NC
28, 30,
36, 60,
63, 64
No connection.
Not connected to anything.
–8–
CXA2112R
Electrical Characteristics (See Electrical Characteristics Measurement Circuit.)
VDD = 5V, VCC = 15.5V, VSIGCEN = 7V, Ta = 25°C
Item
No.
Symbol
Measurement
points
Measurement contents
Min.
Typ. Max. Unit
1
VDD current
consumption
IDD
IVDD
IDD = IVDD
22
32
42
mA
2
Vcc current
consumption
ICC
IVCC1
IVCC2
ICC = IVCC1 + IVCC2
30
41
52
mA
3
Invert amplifier gain
AINV
VINV
VIN
AINV = VINV (AC)/VIN
—
2.7
—
times
VINV
Input a square wave from VIN so
that VINV output amplitude is
3.5Vp-p. Measure slew rate at 10
to 90% of output waveform rise or
fall. (for inverse or non-inverse)
—
700
—
V/µs
—
90
—
MHz
4
Invert amplifier slew
rate
5
Invert amplifier output
band width
BWINV
VINV
Input 2.5V DC, 100mVp-p AC
from Pin 47 (VIDEO_IN) and
measure VINV. The frequency that
is –3dB to 100kHz. (for inverse/
non-inverse)
6
Output delay deviation
for inverse/non-inverse
TDIFF
VINV
Invert amplifier delay time
difference for inverse and noninverse.
—
2
4
ns
7
SID gain
ASID
VSID
VSID_IN
ASID = VSID (AC)/VSID_IN
—
4
—
times
—
30
—
V/µs
Vsig – 2
or less
—
Vsig
V
SRINV
8
SID output slew rate
SRSID
VSID
Input invert pulse to Pin 44
(FRP), load capacity C7 = 47pF,
and apply DC input voltage to
VSID_IN so that VSID is 2.5V/11.5V.
Measure slew rate at 10 to 90%
of output waveform rise or fall.
9
VCOM adjustable
range
VCOM
VCOM
VCOM output voltage when Pin
34 (VCOMOFST) is changed
from 0 to 10V.
10
Farst stage S/H slew
rate
SRSH1
—
First stage S/H slew rate on Block
Diagram.
—
700
—
V/µs
—
150
—
V/µs
—
3
10
mVp-p
100
115
11
SH_OUT slew rate
SROUT
VOUT1 to
VOUT6
Input a square wave from VIN so
that VOUT1 to VOUT6 output
amplitude is 3.5Vp-p. Measure
slew rate at 10 to 90% of output
waveform rise or fall. (load 270pF,
for inverse or non-inverse)
12
Output deviation
between channels ∗
DOUT
VOUT1 to
VOUT6
Apply DC voltage to VIN so that
VINV (SH_IN) is 6V.
13
Dot clock input highest
frequency
fCLKH
fCLK
Highest frequency for fCLK output
at correct timing.
14
Dot clock input lowest
frequency
fCLKL
fCLK
Lowest frequency for fCLK output
at correct timing.
15
Maximum output
voltage
VMAX
VOUT1 to
VOUT6
Maximum voltage at which
sample-and-hold output
(SH_OUT1 to SH_OUT6) can be
output.
16
Minimum output
voltage
VMIN
VOUT1 to
VOUT6
Minimum voltage at which
sample-and-hold output
(SH_OUT1 to SH_OUT6) can be
output.
–9–
12
13
MHz
20
V
13.5
2
MHz
2.5
V
CXA2112R
∗ Minimum VOUT1 to VOUT6 value subtracted from maximum VOUT1 to VOUT6 value.
Unless otherwise specified, pin setting conditions are as follows.
(48) OFFSET = 3.3V, (47) VIDEO_IN = 2.0V, (42) SID_OFST = 3.3V, (39) SID_IN = 2.3V,
(35) SIGCEN = 7.0V, (34) VCOMOFST = 0.0V, (1) POS_CNT1 = 0.0V, (2) POS_CNT2 = 0.0V,
(5) F/R_CNT = 5.0V, (10) S/12_CNT = 5.0V, (13) DIR_CNT = 5.0V, (49) DLY_CNT = 4.0V,
(52) INV_CNT = 5.0V, (44) FRP = 0.0V, fCLK = 65MHz
– 10 –
CXA2112R
Electrical Characteristics Measurement Circuit
VCC
VSID_IN
2.3V
20k
VCC
VINV
20k
VCC
48
DLY_CNT
P
MCLK
N
MCLK/
INV_CNT
VDD
CLK_OUT
CLK_OUT/
D.P
D.P
DGND
CLK_IN
NC
43
42
41
40
35
34
VCOMOUT
VCOMOFST
SIGCEN
ISET
NC
36
33
31
51
SID
BIAS
30
VCOM
52
29
S/H
53
S/H
S/H
BUFFER
28
D
OFFSET CANCEL
CLOCK
DELAY
54
27
S/H
S/H
S/H
BUFFER
55
26
OFFSET CANCEL
56
S/H
S/H
57
S/H
Pulses
58
59
S/H
25
BUFFER
24
S/H
S/H
23
BUFFER
22
OFFSET CANCEL
TIMING
GENERATOR
60
S/H
OFFSET CANCEL
S/H
S/H
S/H
BUFFER
21
OFFSET CANCEL
61
NC
37
38
39
INVERT
AMP
50
CLK_IN/
PRG
SID_OUT
D.P
SID_IN
VCC
44
D.P
SID_OFST
FRP
SH_IN
45
VCOM
32
62
S/H
offset cancel
mode timing
S/H
20
S/H
BUFFER
19
OFFSET CANCEL
63
18
NC
64
17
VDD
15
GND2
SH_OUT1
VOUT1
NC
C1 270pF
SH_OUT2
VOUT2
NC
C2 270pF
SH_OUT3
PVCC
VOUT3
IVCC2
VCC
D.P
C3 270pF
D.P
PGND
NC
SH_OUT4
VOUT4
NC
C4 270pF
SH_OUT5
VOUT5
NC
C5 270pF
SH_OUT6
VOUT6
C6 270pF
16
NC
14
NC
13
NC
12
DIR_CNT
11
ENB
10
NC
D.P
D.P
NC
GND
9
8
7
S/12_CNT
6
5
4
3
F/R_CNT
2
NEXT_IN
1
POS_CNT2
VDD
46
NEXT_OUT
SW4
47
IVCC1
49
POS_CNT1
VDD
INV_OUT
OFFSET
VIDEO_IN
C7
2V
Frequency
fCLK
VSID
3.3V
VIN
DIFF
BUFFER2
27k
3.3V
VDD
VDD
SW1
SW3
VCC
VDD
SW2
15.5V
– 11 –
5V
CXA2112R
Description of Operation
1. INVERT_AMP
The VIDEO signal from VIDEO_IN (Pin 47) is amplified about 2.7 times at INVERT_AMP. Its output is
INV_OUT (Pin 46). Status of INVERT_AMP is determined by FRP (Pin 44) input (high: inverse, low: noninverse). Invert operation is carried out with SIGCEN (Pin 35) potential as center voltage of signal inversion.
OFFSET (Pin 48) input voltage corresponds to 100% white level of the signal input to VIDEO_IN.
When used in combination with the CXA2111R, connect the CXA2111R V33 (Pin 8) output to the CXA2112R
OFFSET. When use DA converter output as the VIDEO signal, connect DA converter maximum output voltage
(normally, DA converter's supply voltage).
OFFSET level
VIDEO IN
VIN
FRP
Output level when input is
up to OFFSET level
approx.
2.7 × VIN
approx. 1V
INV_OUT
SIGCEN potential
approx.
1V
2. SID
The signal input to SID_IN (Pin 39) is folded by SIGCEN potential, the same as for INVERT_AMP operation,
and outputs to SID_OUT (Pin 38).
Gain is about 4 times. SID_OFST (Pin 42) operates in the same way as OFFSET input for INVERT_AMP. In
combination with the CXA2111R, connect the CXA2111R SID_OUT (Pin 6) to the CXA2112R SID_IN, and
CXA2111R V33 (Pin 8) to the CXA2112R SID_OFST.
– 12 –
CXA2112R
SID_OFST level
SID IN
VSID_IN
FRP
Output level when input is
up to SID_OFST level
approx. 4 × VSID_IN
approx. 1V
approx. 1V
SIGCEN potential
The SID output is prepared for the Sony LCD panel's (LCX017 and LCX016) uniformity improvement signal
input (Psig input). SID_OUT does not have the capability to drive those pins directly. Connect via a buffer.
3. VCOM
VCOM generates the DC voltage applied to the Sony LCD panel COM electrode. VCOMOUT (Pin 33) voltage
is set as the deviation relative to SIGCEN voltage.
When VCOMOFST (Pin 34) is changed from 0 to 10V, VCOMOUT changes from (SIGCEN potential) to
(SIGCEN potential) – 2V.
– 13 –
CXA2112R
4. De-Multiplexer
SH_IN (Pin 45) input is de-multiplexed in order from SH_OUT1 (Pin 31) to SH_OUT6 (Pin 17) according to
internal timing generator setting, and then is output.
Output phase is made simultaneous by the 3-stage sample-and-hold circuit.
The waveform example below shows this operation for forward scan, 6-output de-multiplexing.
A
D
G
C
K
F
H
J
SH_IN
B
E
I
L
CLK_IN
1
2
3
4
5
6
7
8
9
10
11
12
A
13
14
15
G
SH_OUT1
0V
H
SH_OUT2
B
0V
C
SH_OUT3
I
0V
D
J
SH_OUT4
0V
K
SH_OUT5
E
0V
F
SH_OUT6
L
0V
Depending on the operation mode setting, scan direction (SH_OUT1 → SH_OUT6 and SH_OUT6 →
SH_OUT1), number of outputs (6-output/12-output) and sample-and-hold position (output phase) can be
changed.
– 14 –
CXA2112R
5. Operation Mode Setting
1) For each RGB channel, LCX016 requires demultiplexed 6 analog outputs (one CXA2112R), and LCX017
needs 12 (two CXA2112R). In either case, scan direction switching, sample-and-hold position and phase
can be controlled. The mode input pin settings for each case are shown below.
Fixed Mode Setting
LCX016
6-outputs
S/12_CNT (Pin 10)
F/R_CNT (Pin 5)
NEXT_IN (Pin 4)
NEXT_OUT (Pin 3)
LCX017
"FRONT" half of
12 outputs∗2
"REAR" half of
12 outputs∗2
Low
Low
High
Low
High
X∗1
Short
∗2 "FRONT": input data sampling
begins from "FRONT" chip for
forward scan direction
(DIR_CNT high).
Connect to the other NEXT_OUT
Connect to the other NEXT_IN
Table B
∗1 X: Don't Care
2) Scan direction switching
DIR_CNT (Pin 13) high gives forward scan, and low gives reverse scan. For forward scan, the input signal
level time series is output in descending order from SH_OUT1, and for reverse scan, in descending order
from SH_OUT6.
For 12-output, SH_OUT6 and SH_OUT1 operated as if connected in order.
3) Sample-and-hold position setting
Output's phase can be changed by the voltage applied to
POS_CNT1 (Pin 1) and POS_CNT2 (Pin 2). This setting is
done for adjustment of the LCD panel input signal timing.
Each input pin has 4 setting values, for a total of 16
settings.
POS_CNT1 is lower, POS_CNT2 is upper, and each
setting values are as shown in Table A-1.
Setting Voltage Range for
Sample-and-Hold Position
Setting value
Threshold
0
GND to 0.75V
1
1.15 to 1.50V
2
1.70 to 2.55V
3
2.95 to VDD
Table A-1
– 15 –
CXA2112R
There are two ways to use these pins.
A. Connect directly to the CXA2111R.
Connect to the corresponding CXA2111R pins POS_CNT1 and POS_CNT2. This allows bit setting via the
CXA2111R register controlled by I2C bus.
B. Connect to CMOS logic.
Connect CMOS logic as shown in the diagram. See Table A-2.
CMOS Logic Connection
Setting Value and CMOS Output Pins
Setting value
a
CXA2112R
b
a
0
L
L
1
Hi-Z
L
2
Hi-Z
H
3
H
H
Supply voltage C
M
VMOS
O
S
b
R1
1
POS_CNT1
(2) (POS_CNT2)
Table A-2
R1 sets the level for setting values 1 and 2. The appropriate resistance value changes depending on numbers
of CXA2112R are driven by one CMOS logic (1-channel or RGB 3-channel drive, or one CXA2112R (6outputs/ch) or two CXA2112R (12-outputs/ch)).
Recommended resistance values are given in Table A-3.
CMOS Logic Connection
Usage of CXA2112R and Threshold Setting Resistor R1
RGB 1-channel drive
RGB 3-channel drive
6-outputs 12-outputs 6-outputs 12-outputs
R1 value
270kΩ
150kΩ
Table A-3
100kΩ
47kΩ
VMOS = 3.3 to 5V
– 16 –
CXA2112R
6. Dot Clock Phase Adjustment
The CXA2112R has phase adjustment function for input dot clock to achieve high precision and stable
operation.
High definition images with no jitter and flicker can be reproduced by this adjustment.
De-multiplexer operation timing is generated from the clock input to CLK_IN (Pin 59) and CLK_IN/ (Pin 61)
(ECL differential). By connecting CLK_OUT (Pin 54) and CLK_OUT/ (Pin 55) to CLK IN/, phase adjusted clock
can be used for its timing generation.
The CLOCK DELAY block is a PLL clock generator that uses MCLK (Pin 50) and MCLK/ (Pin 51) ECL
differential input clock as reference. The CLK_OUT polarity, inverted/non-inverted can be switched by high/low
of INV_CNT (Pin 52) input.
Also, in the DLY_CNT (Pin 49) input voltage range of 3 to 5V, CLK_OUT phase relative to MCLK can be
changed continuously 180deg. (PHDLY in the diagram below.)
It also has the advantage that an MCLK with noise can be shaped and used on the board.
MCLK
PHDLY
CLK_OUT
SH_IN
7. Usage of CXA2112R in 12-outputs
Two CXA2112Rs are required for 12-outputs, as shown in Application Circuit 2.
Please note that the following precautions.
• Input the same clock to both ICs' timing generator clock input pins CLK_IN and CLK_IN/. To be concrete,
connect one CLK_OUT and CLK_OUT/ to both ICs' CLK_IN and CLK_IN/. At this time, the other CLK_OUT
and CLK_OUT/ are not used, but be sure to input the same clock to MCLK and MCLK/ inputs.
• Connect both ICs' SH_INs to only one ICs' INV_OUT. At that time, connect the other ICs' VIDEO_IN and
OFFSET to 5V. In the same way, connect the other ICs' SID_IN and SID_OFST to 5V.
• When only one IC is used for all of INVET_AMP, SID and VCOM, the FRP input on the other IC does not
have to be at the timing in the above paragraph, but can be connected to GND.
• Short ENB, PRG, POS_CNT1, POS_CNT2, DIR_CNT, INV_CNT and DLY_CNT at both ICs, and apply the
same signals.
– 17 –
CXA2112R
Notes on Operation
1. Signal input timings to the timing generator
Input Signal Timing Chart
30CLK or more
ENB
PRG
60CLK or more
4CLK or more
FRP
0 to 5CLK
Maintain the relationship in the timing chart. While PRG is high, video input signal must not be changed.
The same name output from Sony's LCD timing generators CXD2442Q and CXD2453Q satisfy the above
conditions.
If the above timing does not be satisfied, timing violation may cause decay of characteristics or IC damage in
some case. Especially do not input FRP pulse without ENB and PRG input.
We strongly recommend to verify the design on this timings and presence of ENB and PRG.
2. Notes on Mounting
• Please be sure that the wiring for internal timing generator link pins NEXT_IN (Pin 4) and NEXT_OUT (Pin 3)
is as short as possible, in especially 12-outputs. Also, do not locate a large amplitude high-speed signal path
(such as CMOS logic) near the wiring.
• The eight pins 8, 9, 24, 25, 40, 41, 56 and 57 are connected to the "die pad" inside the package. A good
thermal radiation effect can be achieved by a thick connection to GND plane.
• Be sure to short PVcc (Pin 26) and Vcc (Pin 43) so that they go on and off simultaneously.
3. Input Video Signal
• Please be sure that the video signal amplitude (0% black level to 100% white level) which inputs to sample
and hold (SH_IN (Pin 45)) does not exceed 3.5VPP.
Also, as for inputting to sample and hold, do not apply DC level of 2V or lower during operation.
– 18 –
CXA2112R
Application Circuit 1
BUFFER
VCC
47µ
0.1µ
3.3k
3.3
3.3
100
VCC
1
3.3k
5.1k
10k
0.1µ
VCC
5.1k
20k
0.1µ
48
47
46
43
44
41
40
36
VCOMOFST
35
34
VCOMOUT
NC
37
38
SIGCEN
SID_OUT
39
27k
ISET
D.P
SID_IN
SID_OFST
42
D.P
FRP
45
VCC
INV_OUT
SH_IN
OFFSET
CLK H 32
CXA3106Q
VIDEO_IN
0.1µ
33
CLK L 31
DLY_CNT
MCLK
SID_OUT 6
MCLK/
V33 8
INV_CNT
VDD
R_OUT 18
CLK_OUT
G_OUT 16
CLK_OUT/
B_OUT 14
CXA2111R
D.P
VDD
DLY_CNT 3
INV_CNT 5
D.P
10µ
DGND
0.1µ
CLK_IN
POS_CNT1 1
POS_CNT2 2
NC
32
49
INVERT
AMP
50
31
51
SID
BIAS
4
29
S/H
53
S/H
NC
BUFFER
OFFSET CANCEL
CLOCK
DELAY
54
S/H
28
D
27
S/H
S/H
S/H
BUFFER
55
26
OFFSET CANCEL
56
S/H
S/H
57
S/H
Pulses
58
59
S/H
25
BUFFER
24
S/H
S/H
23
BUFFER
22
OFFSET CANCEL
TIMING
GENERATOR
60
S/H
OFFSET CANCEL
S/H
S/H
CLK_IN/
PRG
VCOM
52
S/H
BUFFER
21
OFFSET CANCEL
61
DIR_CNT
30
62
S/H
offset cancel
mode timing
S/H
20
S/H
BUFFER
19
OFFSET CANCEL
63
18
NC
Open
or
High (5V)
15
NC
14
SH_OUT1
NC
SH_OUT2
NC
1 PSIG
SH_OUT3
PVCC
24 COM
VCC
D.P
7 SIG1
D.P
0.1µ
10µ
PGND
5 SIG2
NC
3 SIG3
SH_OUT4
2 SIG4
NC
4 SIG5
SH_OUT5
6 SIG6
NC
SH_OUT6
16
NC
13
NC
12
DIR_CNT
11
NC
D.P
Open
or
High (5V)
10
ENB
9
8
S/12_CNT
NC
7
D.P
6
GND
5
4
3
F/R_CNT
2
NEXT_IN
ENB 60
1
NEXT_OUT
PRG 29
17
POS_CNT1
CXD2442Q
64
POS_CNT2
FRP 30
GND2
VCC
VDD
15.5V
5V
Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for
any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same.
– 19 –
LCX016
LCD panel
CXA2112R
VCC
Application Circuit 2
20k
VCC
20k
BUFFER
SID_OUT 6
R_OUT 18
48
DLY_CNT
DLY_CNT 3
MCLK
CXA2111R
V33 8
MCLK/
INV_CNT
INV_CNT 5
VDD
4
VDD
CLK_OUT
CLK_OUT/
POS_CNT2 2
D.P
POS_CNT1 1
D.P
DGND
CLK_IN
NC
46
43
44
42
40
36
35
34
33
32
31
51
SID
BIAS
30
VCOM
52
29
S/H
53
S/H
BUFFER
28
D
OFFSET CANCEL
CLOCK
DELAY
54
S/H
27
S/H
S/H
S/H
BUFFER
55
26
OFFSET CANCEL
56
S/H
S/H
57
59
S/H
S/H
24
S/H
23
BUFFER
22
OFFSET CANCEL
TIMING
GENERATOR
60
25
BUFFER
OFFSET CANCEL
S/H
Pulses
58
S/H
S/H
S/H
S/H
BUFFER
21
OFFSET CANCEL
62
S/H
offset cancel
mode timing
S/H
20
S/H
BUFFER
19
OFFSET CANCEL
63
18
NC
64
15
GND2
SH_OUT1
3
VSIG1
4
VSIG2
5
VSIG3
6
VSIG4
7
VSIG5
8
VSIG6
NC
SH_OUT2
NC
SH_OUT3
PVCC
VCC
D.P
D.P
PGND
NC
SH_OUT4
NC
SH_OUT5
NC
SH_OUT6
16
NC
NC
ENB
14
NC
13
12
11
DIR_CNT
D.P
10
NC
NC
D.P
GND
9
8
7
S/12_CNT
6
5
4
3
F/R_CNT
POS_CNT1
ENB 47
2
NEXT_IN
1
PRG 48
POS_CNT2
CXD2453Q
17
NEXT_OUT
FRP 45
PSIG
31 COM
VCOMOUT
SIGCEN
ISET
NC
37
38
INVERT
AMP
61
NC
39
27k
49
50
CLK_IN/
PRG
SID_IN
D.P
41
SID_OUT
SID_OFST
D.P
FRP
45
VCC
INV_OUT
47
SH_IN
OFFSET
G_OUT 16
DIR_CNT
VIDEO_IN
B_OUT 14
VCOMOFST
1
VCC
VDD
1
60
NC
NC
NC
ENB
DIR_CNT
NC
S/12_CNT
D.P
NC
D.P
F/R_CNT
GND
S/H
TIMING
GENERATOR
59
S/H
S/H
Pulses
58
S/H
S/H
21
BUFFER
OFFSET CANCEL
S/H
22
S/H
BUFFER
23
OFFSET CANCEL
57
S/H
56
S/H
24
S/H
BUFFER
25
OFFSET CANCEL
26
55
S/H
CLOCK
DELAY
54
S/H
BUFFER
27
OFFSET CANCEL
D
53
S/H
28
S/H
S/H
S/H
BUFFER
29
52
SID
51
BIAS
VCOM
30
INVERT
AMP
50
31
32
49
47
46
45
44
43
42
41
40
39
VDD
37
36
27k
VCC
VDD
38
VDD
35
34
SH_OUT6
14 VSIG12
NC
SH_OUT5
13 VSIG11
NC
SH_OUT4
12 VSIG10
NC
PGND
D.P
D.P
PVCC
VCC
SH_OUT3
11 VSIG9
NC
SH_OUT2
10 VSIG8
NC
SH_OUT1
9
VSIG7
GND2
33
VCOMOUT
OFFSET
48
SIGCEN
MCLK
DLY_CNT
19
20
VCOMOFST
MCLK/
16
BUFFER
NC
INV_CNT
15
18
S/H
ISET
VDD
S/H
SID_OUT
VDD
14
OFFSET CANCEL
D.P
CLK_OUT
S/H
61
SID_IN
CLK_OUT/
offset cancel
mode timing
62
D.P
D.P
13
12
11
OFFSET CANCEL
SID_OFST
D.P
63
VCC
DGND
10
17
FRP
NC
CLK_IN
9
8
7
64
SH_IN
PRG
CLK_IN/
6
5
4
3
INV_OUT
NC
2
VIDEO_IN
NC
NEXT_IN
CLK L 31
NEXT_OUT
CLK H 32
CXA3106Q
POS_CNT2
POS_CNT1
LCX017
VDD
VCC
VDD
15.5V
5V
Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for
any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same.
– 20 –
CXA2112R
Example of Representative Characteristics (VCC = 15.5V, VDD = 5.0V, SIGCEN = 7.0V, Ta = 25°C)
CLK_OUT phase to MCLK vs. DLY_CNT voltage (1) CLK_OUT phase to MCLK vs. DLY_CNT voltage (2)
180
180
Phase [deg]
120
INV_CNT = High
60
INV_CNT = Low
0
–60
INV_CNT = High
–120
fCLK = 100MHz
120
Phase [deg]
fCLK = 20MHz
60
INV_CNT = Low
0
INV_CNT = High
–60
–120
INV_CNT = Low
–180
2.5
–180
3
3.5
4
4.5
DLY_CNT (Pin 49) voltage [V]
5
2.5
SID_OUT voltage vs. SID_OFST voltage (1)
SID_OUT voltage vs. SID_OFST voltage (2)
SID_IN = 2.300V
14
SID_OUT (Pin 38) voltage [V]
SID_OUT (Pin 38) voltage [V]
5
12
16
12
FRP = High
10
8
6
4
FRP = Low
2
SID_IN = 4.000V
10
FRP = High
8
6
4
FRP = Low
2
0
0
0
1
2
3
4
SID_OFST (Pin 42) voltage [V]
0
5
1
2
3
4
SID_OFST (Pin 42) voltage [V]
5
SID_OUT voltage vs. SID_IN voltage (2)
SID_OUT voltage vs. SID_IN voltage (1)
16
16
SID_OFST = 3.300V
14
SID_OUT (Pin 38) voltage [V]
SID_OUT (Pin 38) voltage [V]
3
3.5
4
4.5
DLY_CNT (Pin 49) voltage [V]
12
FRP = High
10
8
6
FRP = Low
4
2
14
SID_OFST = 5.000V
12
FRP = High
10
8
6
4
FRP = Low
2
0
0
0
1
2
3
4
SID_IN (Pin 39) voltage [V]
0
5
– 21 –
1
2
3
4
SID_IN (Pin 39) voltage [V]
5
CXA2112R
INV_OUT voltage vs. OFFSET voltage (1)
INV_OUT voltage vs. OFFSET voltage (2)
14
VIDEO_IN = 1.800V
INV_OUT (Pin 46) voltage [V]
INV_OUT (Pin 46) voltage [V]
14
12
FRP = High
10
8
6
4
FRP = Low
2
0
1
2
3
4
OFFSET (Pin48) voltage [V]
8
6
4
FRP = Low
2
5
0
INV_OUT voltage vs. VIDEO_IN voltage (1)
1
2
3
4
OFFSET (Pin48) voltage [V]
5
INV_OUT voltage vs. VIDEO_IN voltage (2)
14
14
OFFSET = 3.300V
INV_OUT (Pin 46) voltage [V]
INV_OUT (Pin 46) voltage [V]
FRP = High
10
0
0
12
FRP = High
10
8
6
4
FRP = Low
2
0
OFFSET =5.000V
12
FRP = High
10
8
6
4
FRP = Low
2
0
0
1
2
3
4
VIDEO_IN (Pin 47) voltage [V]
5
0
VCOMOUT voltage vs. VCOMOFST voltage
8
VCOMOUT (Pin 33) voltage [V]
VIDEO_IN = 3.500V
12
7
6
5
4
3
2
1
0
0
2
4
6
12
14
8
10
VCOMOFST (Pin 34) voltage [V]
– 22 –
1
2
3
4
VIDEO_IN (Pin 47) voltage [V]
5
CXA2112R
Package Outline
Unit: mm
64PIN LQFP (PLASTIC)
16.0 ± 0.2
∗
1.7MAX
14.0 ± 0.1
0.1
33
48
32
(15.0)
49
B
A
17
64
16
+ 0.08
0.37 – 0.07
(0.5)
1
0.8
0.13 M
0.25
(0.5)
0° to 10°
0.6 ± 0.2
(0.35)
DETAIL A
(0.125)
+ 0.08
0.37 – 0.07
0.145 ± 0.04
0.1 ± 0.1
DETAIL B
NOTE: Dimension “∗” does not include mold protrusion.
PACKAGE STRUCTURE
PACKAGE MATERIAL
EPOXY RESIN
SONY CODE
LQFP-64P-L02
LEAD TREATMENT
EIAJ CODE
LQFP064-P-1414
LEAD MATERIAL
COPPER ALLOY
PACKAGE MASS
0.7g
JEDEC CODE
PALLADIUM PLATING
NOTE : PALLADIUM PLATING
This product uses S-PdPPF (Sony Spec.-Palladium Pre-Plated Lead Frame).
– 23 –