SBOS778D
April 2016 – April 2021
THS4551
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Companion Devices
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+) – (VS–) = 5 V
7.6
Electrical Characteristics: (VS+) – (VS–) = 3 V
7.7
Typical Characteristics: (VS+) – (VS–) = 5 V
7.8
Typical Characteristics: (VS+) – (VS–) = 3 V
7.9
Typical Characteristics: 3-V to 5-V Supply Range
8
Parameter Measurement Information
8.1
Example Characterization Circuits
8.2
Output Interface Circuit for DC-Coupled Differential Testing
8.3
Output Common-Mode Measurements
8.4
Differential Amplifier Noise Measurements
8.5
Balanced Split-Supply Versus Single-Supply Characterization
8.6
Simulated Characterization Curves
8.7
Terminology and Application Assumptions
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Differential Open-Loop Gain and Output Impedance
9.3.2
Setting Resistor Values Versus Gain
9.3.3
I/O Headroom Considerations
9.3.4
Output DC Error and Drift Calculations and the Effect of Resistor Imbalances
9.4
Device Functional Modes
9.4.1
Operation from Single-Ended Sources to Differential Outputs
9.4.1.1
AC-Coupled Signal Path Considerations for Single-Ended Input to Differential Output Conversions
9.4.1.2
DC-Coupled Input Signal Path Considerations for Single-Ended to Differential Conversions
9.4.2
Operation from a Differential Input to a Differential Output
9.4.2.1
AC-Coupled, Differential-Input to Differential-Output Design Issues
9.4.2.2
DC-Coupled, Differential-Input to Differential-Output Design Issues
9.4.3
Input Overdrive Performance
10
Application and Implementation
10.1
Application Information
10.1.1
Noise Analysis
10.1.2
Factors Influencing Harmonic Distortion
10.1.3
Driving Capacitive Loads
10.1.4
Interfacing to High-Performance Precision ADCs
10.1.5
Operating the Power Shutdown Feature
10.1.6
Designing Attenuators
10.1.7
The Effect of Adding a Feedback Capacitor
10.2
Typical Applications
10.2.1
An MFB Filter Driving an ADC Application
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.3
Application Curves
10.2.2
Differential Transimpedance Output to a High-Grade Audio PCM DAC Application
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.2.3
Application Curves
10.2.3
ADC3k Driver with a 2nd-Order RLC Interstage Filter Application
10.2.3.1
Design Requirements
10.2.3.2
Detailed Design Procedure
10.2.3.3
Application Curve
11
Power Supply Recommendations
11.1
Thermal Analysis
12
Layout
12.1
Layout Guidelines
12.1.1
Board Layout Recommendations
12.2
Layout Example
12.3
EVM Board
13
Device and Documentation Support
13.1
Device Support
13.1.1
TINA-TI Simulation Model Features
13.2
Documentation Support
13.2.1
Related Documentation
13.3
Receiving Notification of Documentation Updates
13.4
Support Resources
13.5
Trademarks
13.6
Electrostatic Discharge Caution
13.7
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RUN|10
MPQF225C
DGK|8
MPDS028E
RGT|16
MPQF119H
Thermal pad, mechanical data (Package|Pins)
RUN|10
QFND329A
RGT|16
QFND098S
Orderable Information
sbos778d_oa
sbos778d_pm
1
Features
Bandwidth: 150 MHz (G = 1 V/V)
Differential Output Slew Rate: 220 V/µs
Gain Bandwidth Product: 135 MHz
Negative Rail Input (NRI),
Rail-to-Rail Output (RRO)
Wide Output Common-Mode Control Range
Single-Supply Operating Range: 2.7 V to 5.4 V
Trimmed-Supply Current: 1.37 mA at 5 V
25°C Input Offset: ±175 µV (max)
Input Offset Voltage Drift: ±1.8 µV/°C (max)
Differential Input Voltage Noise: 3.3 nV/√
Hz
HD2: –128 dBc at 2 V
PP
, 100 kHz
HD3: –139 dBc at 2 V
PP
, 100 kHz
< 50-ns Settling Time: 4-V Step to 0.01%
18-Bit Settling Time: 4-V Step, < 500 ns