Dual 125MHz Video Current Feedback Amplifier HA5023 wide bandwidt

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Dual 125MHz Video Current Feedback Amplifier HA5023 wide bandwidt

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HA5023
Dual 125MHz Video Current Feedback Amplifier
HA5023 wide bandwidth high slew rate dual amplifier optimized video applications gains between current feedback amplifier thus yields less bandwidth degradation high closed loop gains than voltage feedback amplifiers. differential gain phase, 0.1dB gain flatness, ability drive back terminated cables, make this amplifier ideal demanding video applications. current feedback design allows user take advantage amplifier's bandwidth dependency feedback resistor. reducing bandwidth increased compensate decreases higher closed loop gains heavy output loads. performance HA5023 very similar popular Harris HA-5020.
November 1996
Features
Wide Unity Gain Bandwidth 125MHz Slew Rate 475V/µs Input Offset Voltage 800µV Differential Gain 0.03% Differential Phase. 0.03 Degrees Supply Current (per Amplifier) 7.5mA Protection. 4000V Guaranteed Specifications Supplies
Applications
Video Gain Block Video Distribution Amplifier/RGB Amplifier Flash Driver Current Voltage Converter Medical Imaging Radar Imaging Systems Video Switching Routing
Ordering Information
PART NUMBER (BRAND) HA5023IP HA5023IB (H5023I) HA5023EVAL TEMP. RANGE (oC) PACKAGE PDIP SOIC PKG. E8.3 M8.15
High Speed Evaluation Board
Pinout
HA5023 (PDIP, SOIC) VIEW
OUT1 -IN1 +IN1 OUT2 -IN2 +IN2
CAUTION: These devices sensitive electrostatic discharge. Users should follow proper Handling Procedures. Copyright
Harris Corporation 1996
File Number
3393.5
3-356
HA5023
Absolute Maximum Ratings
Voltage Between Terminals Input Voltage (Note ±VSUPPLY Differential Input Voltage. Output Current (Note Short Circuit Protected Rating (Note Human Body Model (Per MIL-STD-883 Method 3015.7) 2000V
Thermal Information
Thermal Resistance (Typical, Note (oC/W) PDIP Package SOIC Package Maximum Junction Temperature (Note 175oC Maximum Junction Temperature (Plastic Package, Note 150oC Maximum Storage Temperature Range -65oC 150oC Maximum Lead Temperature (Soldering 10s) 300oC (SOIC Lead Tips Only)
Operating Conditions
Temperature Range -40oC 85oC Supply Voltage Range (Typical) ±4.5V ±15V
CAUTION: Stresses above those listed "Absolute Maximum Ratings" cause permanent damage device. This stress only rating operation device these other conditions above those indicated operational sections this specification implied.
NOTES: Maximum power dissipation, including output load, must designed maintain junction temperature below 175oC die, below 150oC plastic packages. Application Information section safe operating area information. measured with component mounted evaluation board free air. non-inverting input unused amplifiers must connected GND. Output protected short circuits ground. Brief short circuits ground will degrade reliability, however, continuous (100% duty cycle) output current should exceed 15mA maximum reliability.
Electrical Specifications
VSUPPLY ±5V, 400, 10pF, Unless Otherwise Specified (NOTE TEST LEVEL
PARAMETER INPUT CHARACTERISTICS Input Offset Voltage (VIO)
TEST CONDITIONS
TEMP. (oC)
UNITS
Full Full Full Full Full Full Full Full Full
±2.5
0.15
µV/oC µA/V µA/V µA/V µA/V
Delta Between Channels Average Input Offset Voltage Drift Common Mode Rejection Ratio Note
Power Supply Rejection Ratio
±3.5V ±6.5V
Input Common Mode Range Non-Inverting Input (+IN) Current
Note
Common Mode Rejection (+IBCMR
Note
+RIN
±3.5V ±6.5V
Power Supply Rejection
Inverting Input (-IN) Current
Delta BIAS Current Between Channels
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HA5023
Electrical Specifications
VSUPPLY ±5V, 400, 10pF, Unless Otherwise Specified (Continued) (NOTE TEST LEVEL Power Supply Rejection ±3.5V ±6.5V Input Noise Voltage +Input Noise Current -Input Noise Current TRANSFER CHARACTERISTICS Transimpedence Note Open Loop Voltage Gain 400, VOUT ±2.5V Open Loop Voltage Gain 100, VOUT ±2.5V OUTPUT CHARACTERISTICS Output Voltage Swing Output Current Output Current, Short Circuit POWER SUPPLY CHARACTERISTICS Supply Voltage Range Quiescent Supply Current CHARACTERISTICS Slew Rate Full Power Bandwidth Rise Time Fall Time Propagation Delay Overshoot -3dB Bandwidth Settling Time Settling Time 0.25% VOUT 100mV Output Step Output Step Note Note Note Note Note V/µs Full mA/Op ±2.5V, VOUT Full Full Full ±2.5 ±2.5 ±16.6 ±3.0 ±3.0 ±20.0 Full Full Full 0.85 1kHz 1kHz 1kHz
PARAMETER Common Mode Rejection
TEST CONDITIONS Note
TEMP. (oC) Full Full
25.0
UNITS µA/V µA/V µA/V µA/V nV/Hz pA/Hz pA/Hz
3-358
HA5023
Electrical Specifications
VSUPPLY ±5V, 400, 10pF, Unless Otherwise Specified (Continued) (NOTE TEST LEVEL
PARAMETER CHARACTERISTICS 681) Slew Rate Full Power Bandwidth Rise Time Fall Time Propagation Delay Overshoot -3dB Bandwidth Settling Time Settling Time 0.25% Gain Flatness
TEST CONDITIONS
TEMP. (oC)
UNITS
Note Note Note Note Note
0.02 0.07
V/µs
VOUT 100mV Output Step Output Step 5MHz 20MHz
CHARACTERISTICS +10, 383) Slew Rate Full Power Bandwidth Rise Time Fall Time Propagation Delay Overshoot -3dB Bandwidth Settling Time Settling Time 0.1% VIDEO CHARACTERISTICS Differential Gain (Note Differential Phase (Note NOTES: ±2.5V. -40oC Product tested ±2.25V because Short Test Duration does allow self heating. VOUT switches from +2V, from -2V. Specification from points. Slew Rate FPBW PEAK PEAK 100, VOUT Measured from points rise/fall times; from points input output propagation delay. Production Tested; Typical Guaranteed Limit based characterization; Design Typical information only. Measured with VM700A video tester using NTC-7 composite VITS. VOUT ±2.5V. -40oC Product tested VOUT ±2.25V because Short Test Duration does allow self heating. 0.03 0.03 Degrees VOUT 100mV Output Step Output Step Note Note Note Note Note V/µs
3-359
HA5023 Test Circuits Waveforms
HP4195 NETWORK ANALYZER
FIGURE TEST CIRCUIT TRANSIMPEDANCE MEASUREMENTS
VOUT
VOUT
FIGURE SMALL SIGNAL PULSE RESPONSE CIRCUIT
FIGURE LARGE SIGNAL PULSE RESPONSE CIRCUIT
Vertical Scale: 100mV/Div., VOUT 100mV/Div. Horizontal Scale: 20ns/Div. FIGURE SMALL SIGNAL RESPONSE
Vertical Scale: 1V/Div., VOUT 1V/Div. Horizontal Scale: 50ns/Div. FIGURE LARGE SIGNAL RESPONSE
3-360
Schematic Diagram
(One Amplifier Two)
QP11 QP14 QP16 QP20 QP10 QN12 QP12 QP13 1.4pF QN13 1.4pF QP17 QN17 QN15 QN14 QN16 QN18 QN19 QP15 QP19
2.5K
HA5023
3-361
QN10 QN11
QN21
HA5023 Application Information
Optimum Feedback Resistor plots inverting non-inverting frequency response, Figure Figure typical performance section, illustrate performance HA5023 various closed loop gain configurations. Although bandwidth dependency closed loop gain isn't severe that voltage feedback amplifier, there appreciable decrease bandwidth higher gains. This decrease minimized taking advantage current feedback amplifier's unique relationship between bandwidth current feedback amplifiers require feedback resistor, even unity gain applications, conjunction with internal compensation capacitor, sets dominant pole frequency response. Thus, amplifier's bandwidth inversely proportional HA5023 design optimized 1000 gain Decreasing unity gain application decreases stability, resulting excessive peaking overshoot. higher gains amplifier more stable, decreased trade-off stability bandwidth. table below lists recommended values various gains, expected bandwidth.
GAIN (ACL) BANDWIDTH (MHz)
AMBIENT TEMPERATURE (oC) SOIC PDIP
possible minimize capacitance from this node ground.
Driving Capacitive Loads
Capacitive loads will degrade amplifier's phase margin resulting frequency response peaking possible oscillations. most cases oscillation avoided placing isolation resistor series with output shown Figure
VOUT
FIGURE PLACEMENT OUTPUT ISOLATION RESISTOR,
selection criteria isolation resistor highly dependent load, been determined good starting value.
1000 1000
Power Dissipation Considerations
high supply current inherent quad amplifiers, care must taken insure that maximum junction temperature Absolute Maximum Ratings) exceeded. Figure shows maximum ambient temperature versus supply voltage available package styles (Plastic DIP, SOIC). ±5VDC quiescent operation both package styles operated over full industrial range -40oC 85oC. recommended that thermal calculations, which take into account output power, performed designer.
Board Layout
frequency response this amplifier depends greatly amount care taken designing board. inductance components such chip resistors chip capacitors strongly recommended. leaded components used leads must kept short especially power supply decoupling components those components connected inverting input. Attention must given decoupling power supplies. large value (10µF) tantalum electrolytic capacitor parallel with small value (0.1µF) chip capacitor works well most cases. ground plane strongly recommended control noise. Care must also taken minimize capacitance ground seen amplifier's inverting input (-IN). larger this capacitance, worse gain peaking, resulting pulse overshoot possible instability. recommended that ground plane removed under traces connected -IN, that connections kept short
SUPPLY VOLTAGE (±V)
FIGURE MAXIMUM OPERATING AMBIENT TEMPERATURE SUPPLY VOLTAGE
3-362
HA5023 Typical Performance Curves
NORMALIZED GAIN (dB) FREQUENCY (MHz) FREQUENCY (MHz) VOUT 0.2VP-P 10pF NORMALIZED GAIN (dB)
VSUPPLY ±5V, 400, 25oC, Unless Otherwise Specified
VOUT 0.2VP-P 10pF
FIGURE NON-INVERTING FREQENCY RESPONSE
FIGURE INVERTING FREQUENCY RESPONSE
-3dB BANDWIDTH (MHz)
VOUT 0.2VP-P 10pF
NONINVERTING PHASE (DEGREES)
-135 -100 -225 -270 -315 -360 VOUT 0.2VP-P 10pF +10,
-10, -135 -180
INVERTING PHASE (DEGREES)
GAIN PEAKING 1100 1300 FEEDBACK RESISTOR 1500
FREQUENCY (MHz)
FIGURE PHASE RESPONSE FUNCTION FREQUENCY
FIGURE BANDWIDTH GAIN PEAKING FEEDBACK RESISTANCE
-3dB BANDWIDTH (MHz)
VOUT 0.2VP-P 10pF -3dB BANDWIDTH GAIN PEAKING (dB)
-3dB BANDWIDTH (MHz)
-3dB BANDWIDTH GAIN PEAKING (dB)
GAIN PEAKING
GAIN PEAKING
1100
VOUT 0.2VP-P 10pF
1000
FEEDBACK RESISTOR
LOAD RESISTOR
FIGURE BANDWIDTH GAIN PEAKING FEEDBACK RESISTANCE
FIGURE BANDWIDTH GAIN PEAKING LOAD RESISTANCE
3-363
GAIN PEAKING (dB)
-3dB BANDWIDTH
HA5023 Typical Performance Curves
VSUPPLY ±5V, 400, 25oC, Unless Otherwise Specified (Continued)
VOUT 0.2VP-P 10pF OVERSHOOT
VOUT 0.1VP-P 10pF VSUPPLY ±5V,
-3dB BANDWIDTH (MHz)
VSUPPLY ±15V, VSUPPLY ±5V, VSUPPLY ±15V,
FEEDBACK RESISTOR
LOAD RESISTANCE 1000
FIGURE BANDWIDTH FEEDBACK RESISTANCE
FIGURE SMALL SIGNAL OVERSHOOT LOAD RESISTANCE
0.10 DIFFERENTIAL PHASE (DEGREES) FREQUENCY 3.58MHz DIFFERENTIAL GAIN 0.08
0.08 FREQUENCY 3.58MHz
0.06
0.06 0.04
0.04
0.02 0.00 SUPPLY VOLTAGE (±V)
0.02 0.00 SUPPLY VOLTAGE (±V)
FIGURE DIFFERENTIAL GAIN SUPPLY VOLTAGE
FIGURE DIFFERENTIAL PHASE SUPPLY VOLTAGE
VOUT 2.0VP-P 30pF ORDER FREQUENCY (MHz) REJECTION RATIO (dB) DISTORTION (dBc) 0.001
CMRR
NEGATIVE PSRR POSITIVE PSRR 0.01 FREQUENCY (MHz)
FIGURE DISTORTION FREQUENCY
FIGURE REJECTION RATIOS FREQUENCY
3-364
HA5023 Typical Performance Curves
VSUPPLY ±5V, 400, 25oC, Unless Otherwise Specified (Continued)
VOUT 1.0VP-P
RLOAD VOUT 1.0VP-P PROPAGATION DELAY (ns) +10,
PROPAGATION DELAY (ns)
TEMPERATURE
SUPPLY VOLTAGE (±V)
FIGURE PROPAGATION DELAY TEMPERATURE
FIGURE PROPAGATION DELAY SUPPLY VOLTAGE
VOUT 20VP-P SLEW RATE (V/µs) TEMPERATURE (oC) SLEW RATE SLEW RATE NORMALIZED GAIN (dB)
-0.2 -0.4 -0.6 -0.8 -1.0 -1.2 FREQUENCY (MHz) +10, VOUT 0.2VP-P 10pF
FIGURE FIGURE SLEW RATE TEMPERATURE
FIGURE NON-INVERTING GAIN FLATNESS FREQUENCY
NORMALIZED GAIN (dB) -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 FREQUENCY (MHz) VOUT 0.2VP-P 10pF
+10, VOLTAGE NOISE (nV/Hz) -INPUT NOISE CURRENT
1000
+INPUT NOISE CURRENT INPUT NOISE VOLTAGE
0.01
FREQUENCY (kHz)
FIGURE INVERTING GAIN FLATNESS FREQUENCY
FIGURE INPUT NOISE CHARACTERISTICS
3-365
CURRENT NOISE (pA/Hz)
HA5023 Typical Performance Curves
VSUPPLY ±5V, 400, 25oC, Unless Otherwise Specified (Continued)
(mV)
BIAS CURRENT (µA)
TEMPERATURE (oC)
TEMPERATURE (oC)
FIGURE INPUT OFFSET VOLTAGE TEMPERATURE
FIGURE +INPUT BIAS CURRENT TEMPERATURE
4000
TRANSIMPEDANCE
BIAS CURRENT (µA)
3000
2000
1000
TEMPERATURE (oC)
TEMPERATURE (oC)
FIGURE -INPUT BIAS CURRENT TEMPERATURE
FIGURE TRANSIMPEDANCE TEMPERATURE
125oC
+PSRR
55oC
REJECTION RATIO (dB)
-100 CMRR -PSRR
(mA)
25oC
SUPPLY VOLTAGE (±V)
TEMPERATURE (oC)
FIGURE SUPPLY CURRENT SUPPLY VOLTAGE
FIGURE REJECTION RATIO TEMPERATURE
3-366
HA5023 Typical Performance Curves
VSUPPLY ±5V, 400, 25oC, Unless Otherwise Specified (Continued)
SUPPLY CURRENT (mA)
OUTPUT SWING
+10V
+15V
DISABLE INPUT VOLTAGE
TEMPERATURE (oC)
FIGURE SUPPLY CURRENT DISABLE INPUT VOLTAGE
FIGURE OUTPUT SWING TEMPERATURE
±15V VOUT (VP-P) (mV) 10.00
±10V
±4.5V 0.01 0.10 1.00 LOAD RESISTANCE TEMPERATURE (oC)
FIGURE OUTPUT SWING LOAD RESISTANCE
FIGURE INPUT OFFSET VOLTAGE CHANGE BETWEEN CHANNELS TEMPERATURE
VOUT 2VP-P
BIAS CURRENT (µA)
SEPARATION (dBc)
TEMPERATURE (oC)
FREQUENCY (MHz)
FIGURE INPUT BIAS CURRENT CHANGE BETWEEN CHANNELS TEMPERATURE
FIGURE CHANNEL SEPARATION FREQUENCY
3-367
HA5023 Typical Performance Curves
VSUPPLY ±5V, 400, 25oC, Unless Otherwise Specified (Continued)
FEEDTHROUGH (dB)
DISABLE 5VP-P
TRANSIMPEDANCE
0.01 0.001 PHASE ANGLE (DEGREES)
FREQUENCY (MHz)
0.001
0.01
FREQUENCY (MHz)
-135
FIGURE DISABLE FEEDTHROUGH FREQUENCY
FIGURE TRANSIMPEDANCE FREQUENCY
TRANSIMPEDANCE
PHASE ANGLE (DEGREES) 0.01 0.001 0.001 0.01 FREQUENCY (MHz) -135
FIGURE TRANSIMPEDENCE FREQUENCY
3-368
HA5023 Characteristics
DIMENSIONS: 1650µm 2540µm 483µm METALLIZATION: Type: Metal AlCu (1%) Thickness: Metal Type: Metal AlCu (1%) Thickness: Metal SUBSTRATE POTENTIAL (Powered Up): VPASSIVATION: Type: Nitride Thickness: TRANSISTOR COUNT: PROCESS: High Frequency Bipolar Dielectric Isolation
Metallization Mask Layout
HA5023
-IN1
+IN1
OUT2
3-369

Dual 125MHz Video Current Feedback Amplifier HA5023 wide bandwidt

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