AD600 Analog Devices, Inc., AD600 Datasheet - Page 2

• Manufacturer Part Number: AD600
• Description: Dual, Low Noise, Wideband Variable Gain Amplifiers
• Manufacturer: Analog Devices, Inc.

AD600/AD602
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ...................................................................... 10
REVISION HISTORY
1/06—Rev. D to Rev. E
Updated Format..................................................................Universal
Changes to Table 2............................................................................ 5
Changes to The Gain-Control Interface Section........................ 11
Updated Outline Dimensions ....................................................... 27
Changes to Ordering Guide .......................................................... 28
3/04—Rev. C to Rev. D
Changes to Specifications ................................................................ 2
Changes to Ordering Guide ............................................................ 3
Changes to Figure 3.......................................................................... 8
Changes to Figure 29...................................................................... 18
Updated Outline Dimensions ....................................................... 20
ESD Caution.................................................................................. 5
Noise Performance ..................................................................... 10
The Gain-Control Interface ...................................................... 11
Signal-Gating Inputs .................................................................. 11
Common-Mode Rejection ........................................................ 11
Achieving 80 dB Gain Range .................................................... 12
Sequential Mode (Maximum SNR) ......................................... 12
Parallel Mode (Simplest Gain-Control Interface).................. 13
Low Ripple Mode (Minimum Gain Error) ............................. 13
Rev. E | Page 2 of 28
Applications..................................................................................... 15
Outline Dimensions ....................................................................... 27
5/02—Rev. B to Rev. C
Changes to Specifications.................................................................2
Renumber Tables and TPCs...................................................Global
8/01—Rev. A to Rev. B
Changes to Accuracy Section of AD600A/AD602A column......2
Time-Gain Control (TGC) and Time-Variable
Gain (TVG) ................................................................................. 15
Increasing Output Drive............................................................ 15
Driving Capacitive Loads.......................................................... 15
Realizing Other Gain Ranges ................................................... 16
An Ultralow Noise VCA............................................................ 16
A Low Noise, 6 dB Preamplifier ............................................... 16
A Low Noise AGC Amplifier with 80 dB Gain Range .......... 17
A Wide Range, RMS-Linear dB Measurement System (2 MHz
AGC Amplifier with RMS Detector)....................................... 19
100 dB to 120 dB RMS Responding Constant Bandwidth
AGC Systems with High Accuracy dB Outputs ..................... 21
A 100 dB RMS/AGC System with Minimal Gain Error
(Parallel Gain with Offset) ........................................................ 22
A 120 dB RMS/AGC System with Optimal SNR
(Sequential Gain) ....................................................................... 23
Ordering Guide .......................................................................... 28