LMH6401_16 Datasheet, PDF (2/48 Pages) Texas Instruments – LMH6401 DC to 4.5 GHz, Fully-Differential, Digital Variable-Gain Amplifier

LMH6401
SBOS730A – APRIL 2015 – REVISED MAY 2015
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Options....................................................... 3
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Recommended Operating Conditions....................... 5
7.4 Thermal Information .................................................. 5
7.5 Electrical Characteristics........................................... 6
7.6 SPI Timing Requirements ......................................... 8
7.7 Typical Characteristics .............................................. 9
8 Parameter Measurement Information ................ 16
8.1 Setup Diagrams ...................................................... 16
8.2 Output Measurement Reference Points.................. 17
8.3 ATE Testing and DC Measurements ...................... 17
8.4 Frequency Response ............................................. 17
8.5 Distortion ................................................................. 17
8.6 Noise Figure............................................................ 18
8.7 Pulse Response, Slew Rate, and Overdrive Recovery
................................................................................. 18
8.8 Power Down............................................................ 18
8.9 VOCM Frequency Response .................................. 18
9 Detailed Description ............................................ 19
9.1 Overview ................................................................. 19
9.2 Functional Block Diagram ....................................... 19
9.3 Feature Description................................................. 20
9.4 Device Functional Modes........................................ 20
9.5 Programming........................................................... 20
9.6 Register Maps ......................................................... 23
10 Application and Implementation........................ 26
10.1 Application Information.......................................... 26
10.2 Typical Application ................................................ 30
10.3 Do's and Don'ts .................................................... 35
11 Power-Supply Recommendations ..................... 36
11.1 Single-Supply Operation ....................................... 36
11.2 Split-Supply Operation .......................................... 36
12 Layout................................................................... 37
12.1 Layout Guidelines ................................................. 37
12.2 Layout Examples................................................... 38
13 Device and Documentation Support ................. 39
13.1 Documentation Support ........................................ 39
13.2 Community Resources.......................................... 39
13.3 Trademarks ........................................................... 39
13.4 Electrostatic Discharge Caution ............................ 39
13.5 Glossary ................................................................ 39
14 Mechanical, Packaging, and Orderable
Information ........................................................... 40
4 Revision History
Changes from Original (April 2015) to Revision A
Page
• Released to production data .................................................................................................................................................. 1
2
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