HA5025 Intersil Corporation, HA5025 Datasheet

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HA5025

Manufacturer Part Number
HA5025
Description
Quad/ 125MHz Video Current Feedback Amplifier
Manufacturer
Intersil Corporation
Datasheet

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Quad, 125MHz Video
Current Feedback Amplifier
The HA5025 is a wide bandwidth high slew rate quad
amplifier optimized for video applications and gains between
1 and 10. It is a current feedback amplifier and thus yields
less bandwidth degradation at high closed loop gains than
voltage feedback amplifiers.
The low differential gain and phase, 0.1dB gain flatness, and
ability to drive two back terminated 75 cables, make this
amplifier ideal for demanding video applications.
The current feedback design allows the user to take
advantage of the amplifier’s bandwidth dependency on the
feedback resistor.
The performance of the HA5025 is very similar to the
popular Intersil HA-5020.
Pinout
OUT1
OUT2
+IN1
+IN2
-IN1
-IN2
V+
1
2
3
4
5
6
7
(PDIP, SOIC)
TOP VIEW
-
+
+
-
HA5025
1
+
+
-
-
14
13
12
10
11
9
8
OUT4
-IN4
+IN4
V-
+IN3
-IN3
OUT3
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
Features
• Wide Unity Gain Bandwidth . . . . . . . . . . . . . . . . . 125MHz
• Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475V/ s
• Input Offset Voltage . . . . . . . . . . . . . . . . . . . . . . . . 800 V
• Differential Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.03%
• Differential Phase . . . . . . . . . . . . . . . . . . . . 0.03 Degrees
• Supply Current (per Amplifier) . . . . . . . . . . . . . . . . 7.5mA
• ESD Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4000V
• Guaranteed Specifications at 5V Supplies
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
HA5025IP
HA5025IB
HA5025EVAL
PART NUMBER
September 1998
RANGE (
High Speed Op Amp DIP Evaluation Board
-40 to 85
-40 to 85
TEMP.
o
C)
14 Ld PDIP
14 Ld SOIC
File Number 3591.4
PACKAGE
HA5025
E14.3
M14.15
PKG.
NO.

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HA5025 Summary of contents

Page 1

... Quad, 125MHz Video Current Feedback Amplifier The HA5025 is a wide bandwidth high slew rate quad amplifier optimized for video applications and gains between 1 and 10 current feedback amplifier and thus yields less bandwidth degradation at high closed loop gains than voltage feedback amplifi ...

Page 2

... Inverting Input (-IN) Current Delta - IN BIAS Current Between Channels -IN Common Mode Rejection -IN Power Supply Rejection Input Noise Voltage 2 HA5025 Thermal Information Thermal Resistance (Typical, Note 2) PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SUPPLY SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

... Full Power Bandwidth Rise Time Fall Time Propagation Delay Overshoot -3dB Bandwidth Settling Time to 1% Settling Time to 0.25% Gain Flatness AC CHARACTERISTICS (A = +10 Slew Rate Full Power Bandwidth 3 HA5025 = 5V + 400 (NOTE 9) TEST TEST CONDITIONS LEVEL f = 1kHz f = 1kHz Note 400 , ...

Page 4

... DUT FIGURE 2. SMALL SIGNAL PULSE RESPONSE CIRCUIT NOTE: 12. A series input resistor of 100 is recommended to limit input currents in case input signals are present abefore the HA5025 is powered up. 4 HA5025 = 5V + 400 (NOTE 9) TEST CONDITIONS LEVEL ...

Page 5

... 60K 800 800 V- 5 HA5025 (Continued) = 100mV/Div. OUT 820 P8 P9 400 Q P11 280 Q P10 Q N12 P12 280 ...

Page 6

... Optimum Feedback Resistor The plots of inverting and non-inverting frequency response, see Figure 8 and Figure 9 in the typical performance section, illustrate the performance of the HA5025 in various closed loop gain configurations. Although the bandwidth dependency on closed loop gain isn’t as severe as that of a voltage feedback amplifier, there can be an appreciable decrease in bandwidth at higher gains ...

Page 7

... FREQUENCY (MHz) FIGURE 10. PHASE RESPONSE AS A FUNCTION OF FREQUENCY 100 95 -3dB BANDWIDTH 90 GAIN PEAKING 350 500 650 800 FEEDBACK RESISTOR ( ) FIGURE 12. BANDWIDTH AND GAIN PEAKING vs FEEDBACK RESISTANCE 7 HA5025 400 SUPPLY + ...

Page 8

... SUPPLY VOLTAGE ( V) FIGURE 16. DIFFERENTIAL GAIN vs SUPPLY VOLTAGE - 2.0V OUT P 30pF L -50 -60 3RD ORDER IMD -70 HD2 -80 HD3 -90 0.3 1 FREQUENCY (MHz) FIGURE 18. DISTORTION vs FREQUENCY 8 HA5025 400 SUPPLY 0.2V OUT P 10pF + 800 950 0 FIGURE 15. SMALL SIGNAL OVERSHOOT vs LOAD RESISTANCE ...

Page 9

... OUT P-P 0 10pF 750 F 0.4 0 -0.2 -0.4 -0 -0.8 -1 - FREQUENCY (MHz) FIGURE 24. INVERTING GAIN FLATNESS vs FREQUENCY 9 HA5025 400 SUPPLY 100 125 o C) FIGURE 21. PROPAGATION DELAY vs SUPPLY VOLTAGE 0.8 0.6 0.4 0.2 - SLEW RATE -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 75 100 125 o C) FIGURE 23. NON-INVERTING GAIN FLATNESS vs FREQUENCY ...

Page 10

... SUPPLY VOLTAGE ( V) FIGURE 30. SUPPLY CURRENT vs SUPPLY VOLTAGE 10 HA5025 400 SUPPLY 100 120 140 o C) FIGURE 27. +INPUT BIAS CURRENT vs TEMPERATURE 4000 3000 2000 1000 ...

Page 11

... FIGURE 32. SUPPLY CURRENT vs DISABLE INPUT VOLTAGE 0.01 0.10 LOAD RESISTANCE (k ) FIGURE 34. OUTPUT SWING vs LOAD RESISTANCE 1.5 1.0 0.5 0.0 -60 -40 - TEMPERATURE ( FIGURE 36. INPUT BIAS CURRENT CHANGE BETWEEN CHANNELS vs TEMPERATURE 11 HA5025 400 SUPPLY 4.0 +15V 3 15V S 1 10V S 1.0 ...

Page 12

... Typical Performance Curves DISABLE = P 750 F -10 -20 -30 -40 -50 -60 -70 -80 0.1 1 FREQUENCY (MHz) FIGURE 38. DISABLE FEEDTHROUGH vs FREQUENCY 12 HA5025 400 SUPPLY 0.1 0.01 0.001 10 20 0.001 10 1 0.1 0.01 0.001 0.001 0.01 0 FREQUENCY (MHz) FIGURE 40. TRANSIMPEDANCE vs FREQUENCY Unless Otherwise Specified (Continued) ...

Page 13

... 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 web site http://www.intersil.com 13 HA5025 PASSIVATION: Type: Nitride Å Å Thickness: 4k 0.4k TRANSISTOR COUNT: 248 PROCESS: High Frequency Bipolar Dielectric Isolation HA5025 +IN4 V- +IN3 ...

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