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HA5023

Dual 125MHz Video Current Feedback Amplifier

HA5023
Dual 125MHz Video Current Feedback Amplifier
Description
November 1996
Features
Applications
· Video Gain Block · Video Distribution Amplifier / RGB Amplifier · Flash A / D Driver · Current to Voltage Converter · Medical Imaging · Radar and Imaging Systems · Video Switching and Routing
Ordering Information
PART NUMBER (BRAND) HA5023IP HA5023IB (H5023I) HA5023EVAL TEMP. RANGE (oC) -40 to 85 -40 to 85 PACKAGE 8 Ld PDIP 8 Ld SOIC PKG. NO. E8.3 M8.15
High Speed Op Amp DIP Evaluation Board
Pinout
HA5023 (PDIP, SOIC) TOP VIEW
OUT1 -IN1 +IN1 V1 2 3 4 8 V+ OUT2 -IN2 +IN2
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright
File Number
HA5023
Absolute Maximum Ratings
Thermal Information
Thermal Resistance (Typical, Note 2) JA (oC / W) PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 Maximum Junction Temperature (Note 1) . . . . . . . . . . . . . . . . . 175oC Maximum Junction Temperature (Plastic Package, Note 1) . . 150oC Maximum Storage Temperature Range . . . . . . . . . -65oC to 150oC Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300oC (SOIC - Lead Tips Only)
Operating Conditions
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.
Electrical Specifications
PARAMETER INPUT CHARACTERISTICS Input Offset Voltage (VIO)
TEST CONDITIONS
TEMP. (oC)
UNITS
25 Full Full Full 25 Full 25 Full Full 25 Full 25 Full 25 Full 25, 85 -40 25, 85 -40
Delta VIO Between Channels Average Input Offset Voltage Drift VIO Common Mode Rejection Ratio Note 5
VIO Power Supply Rejection Ratio
Input Common Mode Range Non-Inverting Input (+IN) Current
Note 5
+IN Power Supply Rejection
Inverting Input (-IN) Current
Delta -IN BIAS Current Between Channels
HA5023
Electrical Specifications
PARAMETER -IN Common Mode Rejection
TEST CONDITIONS Note 5
TEMP. (oC) 25 Full 25 Full 25 25 25
TYP 4.5 2.5 25.0
MAX 0.4 1.0 0.2 0.5 -
HA5023
Electrical Specifications
TEST CONDITIONS
TEMP. (oC)
UNITS
Note 6 Note 7 Note 8 Note 8 Note 8
HA5023 Test Circuits and Waveforms
50 HP4195 NETWORK ANALYZER 50
FIGURE 1. TEST CIRCUIT FOR TRANSIMPEDANCE MEASUREMENTS
VIN DUT VOUT RL 100 RF , 1k 50
DUT VOUT RL 400
VIN 50
RF , 681 RI 681
FIGURE 2. SMALL SIGNAL PULSE RESPONSE CIRCUIT
FIGURE 3. LARGE SIGNAL PULSE RESPONSE CIRCUIT
Schematic Diagram
(One Amplifier of Two)
V+ R10 820 QP8 QP11 QP14 R17 280 R18 280 R24 140 QP16 QP20 R20 140 QP10 QN12 QN8 QP2 QP12 QP6 QN6 -IN R12 280 +IN QP13 C2 1.4pF QN13 QP4 C1 1.4pF R28 20 QP17 QN17 R25 20 QN15 R21 140 R14 280 R13 1K QN14 R16 400 R22 280 QN16 R23 400 R26 200 R25 140 QN18 QN19 R30 7 OUT QP15 QP5 R11 1K QN5 R27 200 QP19 R31 5 QP9 R15 400 R19 400 R29 9.5
R2 800
R5 2.5K
R1 60K
HA5023
QN10 QP7 QN7 R9 820 QN9 QN11
QN21 R32 5
R4 800
R33 800
HA5023 Application Information
GAIN (ACL) -1 +1 +2 +5 +10 -10 BANDWIDTH (MHz) 100 125 95 52 65 22
MAX AMBIENT TEMPERATURE (oC) 140 130 120 110 100 90 SOIC 80 70 60 50 5 7 9 11 13 15 PDIP
possible to minimize the capacitance from this node to ground.
Driving Capacitive Loads
R VOUT CL RF
VIN RT RI
FIGURE 6. PLACEMENT OF THE OUTPUT ISOLATION RESISTOR, R
The selection criteria for the isolation resistor is highly dependent on the load, but 27 has been determined to be a good starting value.
RF () 750 1000 681 1000 383 750
Power Dissipation Considerations
PC Board Layout
FIGURE 7. MAXIMUM OPERATING AMBIENT TEMPERATURE vs SUPPLY VOLTAGE
HA5023 Typical Performance Curves
FIGURE 8. NON-INVERTING FREQENCY RESPONSE
FIGURE 9. INVERTING FREQUENCY RESPONSE
-3dB BANDWIDTH (MHz)
NONINVERTING PHASE (DEGREES)
INVERTING PHASE (DEGREES)
5 GAIN PEAKING 500 700 900 1100 1300 FEEDBACK RESISTOR () 0 1500
FREQUENCY (MHz)
FIGURE 10. PHASE RESPONSE AS A FUNCTION OF FREQUENCY
FIGURE 11. BANDWIDTH AND GAIN PEAKING vs FEEDBACK RESISTANCE
-3dB BANDWIDTH (MHz)
120 -3dB BANDWIDTH 110 6 GAIN PEAKING (dB)
GAIN PEAKING
GAIN PEAKING 350 500 650 800 950
FEEDBACK RESISTOR ()
LOAD RESISTOR ()
FIGURE 12. BANDWIDTH AND GAIN PEAKING vs FEEDBACK RESISTANCE
FIGURE 13. BANDWIDTH AND GAIN PEAKING vs LOAD RESISTANCE
GAIN PEAKING (dB)
-3dB BANDWIDTH
HA5023 Typical Performance Curves
-3dB BANDWIDTH (MHz)
0 200 350 500 650 800 950 FEEDBACK RESISTOR ()
0 0 200 400 600 LOAD RESISTANCE () 800 1000
FIGURE 14. BANDWIDTH vs FEEDBACK RESISTANCE
FIGURE 15. SMALL SIGNAL OVERSHOOT vs LOAD RESISTANCE
FIGURE 16. DIFFERENTIAL GAIN vs SUPPLY VOLTAGE
FIGURE 17. DIFFERENTIAL PHASE vs SUPPLY VOLTAGE
NEGATIVE PSRR POSITIVE PSRR 0.01 0.1 FREQUENCY (MHz) 1 10 30
FIGURE 18. DISTORTION vs FREQUENCY
FIGURE 19. REJECTION RATIOS vs FREQUENCY
HA5023 Typical Performance Curves
PROPAGATION DELAY (ns)
6.0 -50 -25 0 25 50 75 100 125 TEMPERATURE (C)
FIGURE 20. PROPAGATION DELAY vs TEMPERATURE
FIGURE 21. PROPAGATION DELAY vs SUPPLY VOLTAGE
FIGURE 22. FIGURE 22. SLEW RATE vs TEMPERATURE
FIGURE 23. NON-INVERTING GAIN FLATNESS vs FREQUENCY
60 +INPUT NOISE CURRENT 40 INPUT NOISE VOLTAGE 20
1 FREQUENCY (kHz)
FIGURE 24. INVERTING GAIN FLATNESS vs FREQUENCY
FIGURE 25. INPUT NOISE CHARACTERISTICS
CURRENT NOISE (pA / Hz)
HA5023 Typical Performance Curves
1.0 VIO (mV)
BIAS CURRENT (µA) -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (oC)
FIGURE 26. INPUT OFFSET VOLTAGE vs TEMPERATURE
FIGURE 27. +INPUT BIAS CURRENT vs TEMPERATURE
TRANSIMPEDANCE (k) -40 -20 0 20 40 60 80 100 120 140
BIAS CURRENT (µA)
TEMPERATURE (oC)
FIGURE 28. -INPUT BIAS CURRENT vs TEMPERATURE
FIGURE 29. TRANSIMPEDANCE vs TEMPERATURE
25 125oC
74 72 +PSRR
REJECTION RATIO (dB)
70 68 66 64 62 60 58 -100 CMRR -PSRR
ICC (mA)
TEMPERATURE (oC)
FIGURE 30. SUPPLY CURRENT vs SUPPLY VOLTAGE
FIGURE 31. REJECTION RATIO vs TEMPERATURE
HA5023 Typical Performance Curves
SUPPLY CURRENT (mA)
OUTPUT SWING (V)
DISABLE INPUT VOLTAGE (V)
TEMPERATURE (oC)
FIGURE 32. SUPPLY CURRENT vs DISABLE INPUT VOLTAGE
FIGURE 33. OUTPUT SWING vs TEMPERATURE
FIGURE 34. OUTPUT SWING vs LOAD RESISTANCE
FIGURE 35. INPUT OFFSET VOLTAGE CHANGE BETWEEN CHANNELS vs TEMPERATURE
BIAS CURRENT (µA)
SEPARATION (dBc) -40 -20 0 20 40 60 80 100 120 140
0.0 -60 TEMPERATURE (oC)
1 FREQUENCY (MHz)
FIGURE 36. INPUT BIAS CURRENT CHANGE BETWEEN CHANNELS vs TEMPERATURE
FIGURE 37. CHANNEL SEPARATION vs FREQUENCY
HA5023 Typical Performance Curves
0 -10 FEEDTHROUGH (dB) -20 -30 -40 -50 -60 -70 -80 0.1
TRANSIMPEDANCE (M)
1 FREQUENCY (MHz)
0.1 1 FREQUENCY (MHz)
FIGURE 38. DISABLE FEEDTHROUGH vs FREQUENCY
FIGURE 39. TRANSIMPEDANCE vs FREQUENCY
TRANSIMPEDANCE (M)
FIGURE 40. TRANSIMPEDENCE vs FREQUENCY
HA5023 Die Characteristics
Metallization Mask Layout
HA5023
OUT NC
V+ -IN1
NC OUT2