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LMH2110 8-GHz Logarithmic RMS Power Detector with 45-dB Dynamic Range
SNWS022D
January 2010 – June 2015
LMH2110
PRODUCTION DATA.
CONTENTS
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LMH2110 8-GHz Logarithmic RMS Power Detector with 45-dB Dynamic Range
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
2.7-V and 4.5-V DC and AC Electrical Characteristics
6.6
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Accurate Power Measurement
7.3.2
Types of RF Detectors
7.3.2.1
Peak Detectors
7.3.2.2
LOG Amp Detectors
7.3.2.3
RMS Detectors
7.3.3
LMH2110 RF Power Detector
7.3.3.1
RF Input
7.3.3.2
Enable
7.3.3.3
Output
7.3.3.4
Supply
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Application With Transmit Power Control
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Specifying Detector Performance
8.2.1.2.1.1
Dynamic Range
8.2.1.2.1.2
Log Conformance Error
8.2.1.2.1.3
Variation Over Temperature Error
8.2.1.2.1.4
1-dB Step Error
8.2.1.2.1.5
10-dB Step Error
8.2.1.2.1.6
Variation Due to Modulation
8.2.1.3
Application Curves
8.2.2
Application With Resistive Divider
8.2.3
Application With Low-Pass Output Filter for Residual Ripple Reduction
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Community Resources
11.2
Trademarks
11.3
Electrostatic Discharge Caution
11.4
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
YFQ|6
MXBG167
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snws022d_oa
snws022d_pm
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