Intersil EL5106 350mhz fixed gain amplifiers with enable Datasheet

EL5106, EL5306
®
Data Sheet
September 1, 2004
FN7357.3
350MHz Fixed Gain Amplifiers with Enable
Features
The EL5106 and EL5306 are fixed gain amplifiers with a
bandwidth of 350MHz. This makes these amplifiers ideal for
today’s high speed video and monitor applications. They
feature internal gain setting resistors and can be configured
in a gain of +1, -1 or +2.
• Pb-free Available as an Option
With a supply current of just 1.5mA and the ability to run
from a single supply voltage from 5V to 12V, these amplifiers
are also ideal for handheld, portable or battery powered
equipment.
• Fast enable/disable
The EL5106 and EL5306 also incorporate an enable and
disable function to reduce the supply current to 25µA typical
per amplifier. Allowing the CE pin to float or applying a low
logic level will enable the amplifier.
• 450MHz, 3.5mA product available (EL5108 & EL5308)
The EL5106 is offered in the 6-pin SOT-23 and the industrystandard 8-pin SO packages and the EL5306 is available in
the 16-pin SO and 16-pin QSOP packages. All operate over
the industrial temperature range of -40°C to +85°C.
• Handheld, portable devices
Ordering Information
• RGB amplifiers
PART
NUMBER
PACKAGE
TAPE &
REEL
PKG. DWG. #
EL5106IW-T7
6-Pin SOT-23
7” (3K pcs)
MDP0038
EL5106IW-T7A
6-Pin SOT-23
7” (250 pcs)
MDP0038
EL5106IS
8-Pin SO
-
MDP0027
EL5106IS-T7
8-Pin SO
7”
MDP0027
EL5106IS-T13
8-Pin SO
13”
MDP0027
EL5306IS
16-Pin SO (0.150”)
-
MDP0027
EL5306IS-T7
16-Pin SO (0.150”)
7”
MDP0027
EL5306IS-T13
16-Pin SO (0.150”)
13”
MDP0027
EL5306IU
16-Pin QSOP
-
MDP0040
EL5306IU-T7
16-Pin QSOP
7”
MDP0040
EL5306IU-T13
16-Pin QSOP
13”
MDP0040
EL5306IUZ
(See Note)
16-Pin QSOP
(Pb-free)
-
MDP0040
EL5306IUZ-T7
(See Note)
16-Pin QSOP
(Pb-free)
7”
MDP0040
EL5306IUZT13 (See Note)
16-Pin QSOP
(Pb-free)
13”
MDP0040
• Gain selectable (+1, -1, +2)
• 350MHz -3dB BW (AV = 2)
• 1.5mA supply current per amplifier
• Single and dual supply operation, from 5V to 12V
• Available in SOT-23 packages
Applications
• Battery powered equipment
• Video amplifiers
• Cable drivers
NOTE: Intersil Pb-free products employ special Pb-free material
sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which is compatible with both SnPb and
Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed
the Pb-free requirements of IPC/JEDEC J Std-020B.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2002-2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.
EL5106, EL5306
Pinouts
EL5306
(16-PIN SO, QSOP)
TOP VIEW
EL5106
(8-PIN SO)
TOP VIEW
NC 1
IN- 2
+
IN+ 3
VS- 4
8 CE
INA+ 1
7 VS+
CEA 2
6 OUT
VS- 3
5 NC
CEB 4
16 INA+
14 VS+
+
-
INB+ 5
EL5106
(6-PIN SOT-23)
TOP VIEW
OUT 1
VS- 2
6 VS+
5 CE
+ -
IN+ 3
4 IN-
2
INC+ 8
13 OUTB
12 INB-
NC 6
CEC 7
15 OUTA
11 NC
+
-
10 OUTC
9 INC-
EL5106, EL5306
Absolute Maximum Ratings (TA = 25°C)
Supply Voltage between VS+ and VS- . . . . . . . . . . . . . . . . . . . 13.2V
Maximum Continuous Output Current . . . . . . . . . . . . . . . . . . . 50mA
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 125°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves
Pin Voltages. . . . . . . . . . . . . . . . . . . . . . . . . VS- -0.5V to VS+ +0.5V
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA
Electrical Specifications
PARAMETER
VS+ = +5V, VS- = -5V, RL = 150Ω, TA = 25°C unless otherwise specified.
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
AC PERFORMANCE
BW
-3dB Bandwidth
AV = +1
250
MHz
AV = -1
380
MHz
AV = +2
350
MHz
20
MHz
4500
V/µs
16
ns
2.8
nV/√Hz
6
pA/√Hz
BW1
0.1dB Bandwidth
SR
Slew Rate
VO = -2.5V to +2.5V, AV = +2
tS
0.1% Settling Time
VOUT = -2.5V to +2.5V, AV = 2
eN
Input Voltage Noise
iN+
IN+ Input Current Noise
dG
Differential Gain Error (Note 1)
AV = +2
0.02
%
dP
Differential Phase Error (Note 1)
AV = +2
0.04
°
3000
DC PERFORMANCE
VOS
Offset Voltage
TCVOS
Input Offset Voltage Temperature
Coefficient
Measured from TMIN to TMAX
5
AE
Gain Error
VO = -3V to +3V, RL = 150Ω
1
RF, RG
Internal RF and RG
-10
1
10
mV
µV/°C
2.5
%
325
Ω
±3.3
V
INPUT CHARACTERISTICS
CMIR
Common Mode Input Range
+IIN
+ Input Current
RIN
Input Resistance
CIN
Input Capacitance
±3
1.5
at IN+
7
µA
2
MΩ
1
pF
OUTPUT CHARACTERISTICS
VO
RL = 150Ω to GND
±3.4
±3.6
V
RL = 1kΩ to GND
±3.7
±3.85
V
Output Current
RL = 10Ω to GND
60
100
mA
ISON
Supply Current - Enabled (per amplifier)
No load, VIN = 0V
1.35
1.5
1.82
mA
ISOFF
Supply Current - Disabled (per amplifier) No load, VIN = 0V
12
25
µA
PSRR
Power Supply Rejection Ratio
75
dB
280
ns
IOUT
Output Voltage Swing
SUPPLY
DC, VS = ±4.75V to ±5.25V
ENABLE
tEN
Enable Time
3
EL5106, EL5306
Electrical Specifications
PARAMETER
VS+ = +5V, VS- = -5V, RL = 150Ω, TA = 25°C unless otherwise specified. (Continued)
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
400
UNIT
tDIS
Disable Time
ns
IIHCE
CE Pin Input High Current
CE = VS+
1
5
25
µA
IILCE
CE Pin Input Low Current
CE = VS-
+1
0
-1
µA
VIHCE
CE Input High Voltage for Power-down
VILCE
CE Input Low Voltage for Enable
VS+ -1
V
VS+ -3
V
NOTE:
1. Standard NTSC test, AC signal amplitude = 286mVP-P, f = 3.58MHz
Pin Descriptions
EL5106
(SO8)
EL5106
(SOT23-6)
1, 5
2
4
EL5306
(SO16,
QSOP16)
PIN
NAME
6, 11
NC
Not connected
9, 12, 16
IN-
Inverting input
FUNCTION
EQUIVALENT CIRCUIT
RG
IN+
IN-
RF
CIRCUIT 1
3
3
1, 5, 8
IN+
Non-inverting input
4
2
3
VS-
Negative supply
6
1
10, 13, 15
OUT
Output
(Reference Circuit 1)
OUT
RF
CIRCUIT 2
7
6
14
VS+
Positive supply
8
5
2, 4, 7
CE
Chip enable
VS+
CE
VSCIRCUIT 3
4
EL5106, EL5306
Typical Performance Curves
11
VS=±5V
RL=150Ω
3
9
1
GAIN (dB)
NORMALIZED GAIN (dB)
5
AV = -1
-1
AV = 2
-5
100K
1M
10M
100M
CL = 10pF
CL = 6.8pF
7
CL = 2.2pF
5
CL = 0pF
AV = 1
-3
AV=+2
VS=±5V
RL=150Ω
3
1
100K
1G
1M
FREQUENCY (Hz)
FIGURE 1. FREQUENCY RESPONSE
1.6
1G
100M
FIGURE 2. FREQUENCY RESPONSE FOR VARIOUS CL
450
RL = 150Ω
10M
FREQUENCY (Hz)
AV = -1
RL = 150Ω
350
AV = 1, 2
BW (MHz)
DELAY TIME (ns)
AV = -1
1.2
0.8
AV = 2
250
AV = 1
0.4
0
1
10
100
150
4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11
1K
FREQUENCY (Hz)
FREQUENCY (Hz)
FIGURE 3. GROUP DELAY vs FREQUENCY
1
FIGURE 4. BANDWIDTH vs SUPPLY VOLTAGE
0
RL = 150Ω
AV = -1
0.6
AV = 2
0.4
AV = 1
0.2
-20
PSRR (dB)
PEAKING (dB)
-10
0.8
-30
PSRR+
PSRR-
-40
-50
-60
-70
0
4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11
VS (V)
FIGURE 5. PEAKING vs SUPPLY VOLTAGE
5
-80
1K
10K
100K
1M
10M
FREQUENCY (Hz)
FIGURE 6. POWER SUPPLY REJECTION RATIO vs
FREQUENCY
100M
EL5106, EL5306
Typical Performance Curves
(Continued)
1.6
100
1.55
IS (mA)
IMPEDANCE (Ω)
1.5
10
IS-
1.45
IS+
1.4
1.35
1
1.3
1.25
0.1
10K
100K
1M
1.2
4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11
100M
10M
VS (V)
FREQUENCY (Hz)
FIGURE 7. OUTPUT IMPEDANCE vs FREQUENCY
0
VS=±5V
AV=2
RL=150Ω
VOP-P=2V
-10
-20
DISTORTION (dB)
FIGURE 8. SUPPLY CURRENT vs SUPPLY VOLTAGE (PER
AMPLIFIER)
M=100ns
-30
-40
CH1 2.00V/DIV
HD3
-50
-60
HD2
-70
CH2 1.00V/DIV
-80
-90
0
10
20
30
40
50
60
FREQUENCY (MHz)
FIGURE 9. HARMONIC DISTORTION vs FREQUENCY
FIGURE 10. ENABLED RESPONSE
JEDEC JESD51-3 LOW EFFECTIVE THERMAL
CONDUCTIVITY TEST BOARD
1
CH1 2.00V/DIV
CH2 1.00V/DIV
POWER DISSIPATION (W)
M=100ns
909mW
0.9
SO16 (0.150”)
θJA=110°C/W
0.8
0.7 625mW
0.6 633mW
SO8
θJA=160°C/W
0.5
0.4
391mW
0.3
SOT23-6
θJA=256°C/W
0.2
QSOP16
θJA=158°C/W
0.1
0
0
25
50
75 85
100
125
150
AMBIENT TEMPERATURE (°C)
FIGURE 11. DISABLED RESPONSE
6
FIGURE 12. PACKAGE POWER DISSIPATION vs AMBIENT
TEMPERATURE
EL5106, EL5306
Typical Performance Curves
(Continued)
JEDEC JESD51-7 HIGH EFFECTIVE THERMAL
CONDUCTIVITY TEST BOARD
POWER DISSIPATION (W)
1.4
1.250W
1.2
SO16 (0.150”)
θJA=80°C/W
1 909mW
0.8 893mW
SO8
θJA=110°C/W
0.6
435mW
0.4
SOT23-6
θJA=230°C/W
0.2
0.1
0
0
25
50
QSOP16
θJA=112°C/W
75 85
100
125
150
AMBIENT TEMPERATURE (°C)
FIGURE 13. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE
Applications Information
Product Description
The EL5106 and EL5306 are fixed gain amplifier that offers
a wide -3dB bandwidth of 350MHz and a low supply current
of 1.5mA. They work with supply voltages ranging from a
single 5V to 12V and they are also capable of swinging to
within 1.2V of either supply on the output. These
combinations of high bandwidth and low power make the
EL5106 and EL5306 the ideal choice for many lowpower/high-bandwidth applications such as portable,
handheld, or battery-powered equipment.
For varying bandwidth and higher gains, consider the
EL5191 with 1GHz on a 9mA supply current or the EL5162
with 300MHz on a 4mA supply current. Versions include
single, dual, and triple amp packages with 5-pin SOT-23,
16-pin QSOP, and 8-pin or 16-pin SO outlines.
Power Supply Bypassing and Printed Circuit
Board Layout
As with any high frequency device, good printed circuit
board layout is necessary for optimum performance. Low
impedance ground plane construction is essential. Surface
mount components are recommended, but if leaded
components are used, lead lengths should be as short as
possible. The power supply pins must be well bypassed to
reduce the risk of oscillation. The combination of a 4.7µF
tantalum capacitor in parallel with a 0.01µF capacitor has
been shown to work well when placed at each supply pin.
enabled by floating or pulling the CE pin to at least 3V below
the positive supply. For ±5V supply, this means that the
amplifier will be enabled when CE is 2V or less, and disabled
when CE is above 4V. Although the logic levels are not
standard TTL, this choice of logic voltages allow the EL5106
and EL5306 to be enabled by tying CE to ground, even in 5V
single supply applications. The CE pin can be driven from
CMOS outputs.
Gain Setting
The EL5106 and EL5306 are built with internal feedback and
gain resistors. The internal feedback resistors have equal
value; as a result, the amplifier can be configured into gain of
+1, -1, and +2 without any external resistors. Figure 13
shows the amplifier in gain of +2 configuration. The gain
error is ±2% maximum. Figure 14 shows the amplifier in gain
of -1 configuration. For gain of +1, IN+ and IN- should be
connected together as shown in Figure 15. This
configuration avoids the effects of any parasitic capacitance
on the IN- pin. Since the internal feedback and gain resistors
change with temperature and process, external resistor
should not be used to adjust the gain settings.
325Ω
325Ω
IN-
IN+
+
FIGURE 14. AV = +2
Disable/Power-Down
The EL5106 and EL5306 amplifiers can be disabled placing
their output in a high impedance state. When disabled, the
amplifier supply current is reduced to <25µA. The EL5106
and EL5306 are disabled when its CE pin is pulled up to
within 1V of the positive supply. Similarly, the amplifier is
7
EL5106, EL5306
325Ω
325Ω
325Ω
IN-
+5
IN+
+
325Ω
FIGURE 15. AV = -1
+5
0.1µF
+
VOUT
1K
325Ω
0.1µF
IN-
325Ω
VIN
-
1K
+
IN+
FIGURE 17.
FIGURE 16. AV = +1
Supply Voltage Range and Single-Supply
Operation
The EL5106 and EL5306 have been designed to operate
with supply voltages having a span of greater than or equal
to 5V and less than 11V. In practical terms, this means that
the EL5106 and EL5306 will operate on dual supplies
ranging from ±2.5V to ±5V. With single-supply, the EL5106
and EL5306 will operate from 5V to 10V.
As supply voltages continue to decrease, it becomes
necessary to provide input and output voltage ranges that
can get as close as possible to the supply voltages. The
EL5106 and EL5306 have an input range which extends to
within 2V of either supply. So, for example, on ±5V supplies,
the EL5106 and EL5306 have an input range which spans
±3V. The output range is also quite large, extending to within
1V of the supply rail. On a ±5V supply, the output is therefore
capable of swinging from -4V to +4V. Single-supply output
range is larger because of the increased negative swing due
to the external pull-down resistor to ground. Figure 16 shows
an AC-coupled, gain of +2, +5V single supply circuit
configuration.
8
Video Performance
For good video performance, an amplifier is required to
maintain the same output impedance and the same
frequency response as DC levels are changed at the output.
This is especially difficult when driving a standard video load
of 150Ω, because of the change in output current with DC
level. Previously, good differential gain could only be
achieved by running high idle currents through the output
transistors (to reduce variations in output impedance).
Special circuitries have been incorporated in the EL5106 and
EL5306 to reduce the variation of output impedance with
current output. This results in dG and dP specifications of
0.02% and 0.04°, while driving 150Ω at a gain of 2.
Output Drive Capability
In spite of its low 1.5mA of supply current per amplifier, the
EL5106 and EL5306 are capable of providing a maximum of
±125mA of output current.
Driving Cables and Capacitive Loads
When used as a cable driver, double termination is always
recommended for reflection-free performance. For those
applications, the back-termination series resistor will
decouple the EL5106 and EL5306 from the cable and allow
extensive capacitive drive. However, other applications may
have high capacitive loads without a back-termination
resistor. In these applications, a small series resistor (usually
between 5Ω and 50Ω) can be placed in series with the
output to eliminate most peaking.
EL5106, EL5306
where:
Current Limiting
The EL5106 and EL5306 have no internal current-limiting
circuitry. If the output is shorted, it is possible to exceed the
Absolute Maximum Rating for output current or power
dissipation, potentially resulting in the destruction of the
device.
θJA = Thermal resistance of the package
Power Dissipation
PDMAX = Maximum power dissipation of each amplifier in
the package
With the high output drive capability of the EL5106 and
EL5306, it is possible to exceed the 125°C Absolute
Maximum junction temperature under certain very high load
current conditions. Generally speaking when RL falls below
about 25Ω, it is important to calculate the maximum junction
temperature (TJMAX) for the application to determine if
power supply voltages, load conditions, or package type
need to be modified for the EL5106 and EL5306 to remain in
the safe operating area. These parameters are calculated as
follows:
T JMAX = T MAX + ( θ JA × n × PD MAX )
TMAX = Maximum ambient temperature
n = Number of amplifiers in the package
PDMAX for each amplifier can be calculated as follows:
V OUTMAX
PD MAX = ( 2 × V S × I SMAX ) + ( V S - V OUTMAX ) × ---------------------------R
L
where:
VS = Supply voltage
ISMAX = Maximum bias supply current
VOUTMAX = Maximum output voltage (required)
RL = Load resistance
SO Package Outline Drawing
9
EL5106, EL5306
SOT-23 Package Outline Drawing
10
EL5106, EL5306
QSOP Package Outline Drawing
NOTE: The package drawings shown here may not be the latest versions. To check the latest revision, please refer to the Intersil website at
http://www.intersil.com/design/packages/index.asp
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
11
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