SBOS695A
August 2014 – December 2014
LMH3401
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics: VS = 5 V
7.6
Electrical Characteristics: VS = 3.3 V
7.7
Typical Characteristics
8
Parameter Measurement Information
8.1
Output Reference Points
8.2
ATE Testing and DC Measurements
8.3
Frequency Response
8.4
S-Parameters
8.5
Frequency Response with Capacitive Load
8.6
Distortion
8.7
Noise Figure
8.8
Pulse Response, Slew Rate, Overdrive Recovery
8.9
Power Down
8.10
VCM Frequency Response
8.11
Test Schematics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Fully-Differential Amplifier
9.3.2
Single-Ended to Differential Signals
9.3.2.1
Resistor Design Equations for Single-to-Differential Applications
9.3.2.2
Input Impedance Calculations
9.3.3
Differential to Differential Signals
9.3.4
Output Common-Mode Voltage
9.4
Device Functional Modes
9.4.1
Operation with a Split Supply
9.4.2
Operation with a Single Supply
10
Application and Implementation
10.1
Application Information
10.1.1
Input and Output Headroom Considerations
10.1.2
Noise Analysis
10.1.3
Thermal Considerations
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Driving Matched Loads
10.2.2.2
Driving Capacitive Loads
10.2.2.3
Driving ADCs
10.2.2.3.1
SNR Considerations
10.2.2.3.2
SFDR Considerations
10.2.2.3.3
ADC Input Common-Mode Voltage Considerations—AC-Coupled Input
10.2.2.3.4
ADC Input Common-Mode Voltage Considerations—DC-Coupled Input
10.2.2.4
GSPS ADC Driver
10.2.2.5
Common-Mode Voltage Correction
10.2.2.6
Active Balun
10.2.2.7
Application Curves
10.3
Do's and Don'ts
10.3.1
Do:
10.3.2
Don't:
11
Power-Supply Recommendations
11.1
Supply Voltage
11.2
Single Supply
11.3
Split Supply
11.4
Supply Decoupling
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
Device Nomenclature
13.2
Documentation Support
13.2.1
Related Documentation
13.3
Trademarks
13.4
Electrostatic Discharge Caution
13.5
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RMS|14
MPQF401
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos695a_oa
sbos695a_pm
5 Device Comparison Table
DEVICE
BW (A
V
= 12 dB)
DISTORTION
NOISE
LMH5401
6.2 GHz
–80-dBc HD2, –77-dBc HD3 at 500 MHz
1.25 nV/√
Hz
LMH6554
1.6 GHz
–79-dBc HD2, –70-dBc HD3 at 250 MHz
0.9 nV/√
Hz
LMH6552
0.8 GHz
–74-dBc HD2, –84-dBc HD3 at 70 MHz
1.1 nV /√
Hz