SNWA014
November 2023
LMH2110
1
Abstract
Trademarks
1
Introduction
2
Log Detector System
2.1
Block Diagram
2.2
Output Swing Derivation
2.3
Simulation Results
3
Power Detector – LMH2110
3.1
Description
3.2
Log Conformance
3.3
Calibration
4
Additional Approaches
4.1
External ADC Approach
4.2
Single-Ended Approach
5
Summary
6
References
6
References
Texas Instruments,
LMH2110 8-GHz Logarithmic RMS Power Detector with 45-dB Dynamic Range
, data sheet.
Texas Instruments,
THS4561 Low-Power, High Supply Range, 60-MHz, Fully Differential Amplifier
, data sheet.
Texas Instruments,
REF35 Ultra Low-Power, High-Precision Voltage Reference
, data sheet.
Texas Instruments,
ADS7057 14-Bit, 2.5-MSPS, Differential Input, Small-Size, Low-Power SAR ADC
, data sheet.
Texas Instruments,
TLVx36550-MHz, Zerø-Crossover, High-CMRR, RRIO Operational Amplifiers
, data sheet.
Texas Instruments,
ADS7042 Ultra-Low Power, Ultra-Small Size, 12-Bit, 1-MSPS, SAR ADC
, data sheet.
Texas Instruments,
Single-Ended to Differential Signal Conversion Using an OPamp and FDA for Unipolar Signals
, analog engineer's circuit.