SBOS859B
March 2018 – July 2018
INA1620
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
INA1620 Simplified Internal Schematic
FFT: 1 kHz, 32-Ω Load, 50 mW
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics:
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Matched Thin-Film Resistor Pairs
7.3.2
Power Dissipation
7.3.3
Thermal Shutdown
7.3.4
EN Pin
7.3.5
GND Pin
7.3.6
Input Protection
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Output Transients During Power Up and Power Down
8
Application and Implementation
8.1
Application Information
8.1.1
Noise Performance
8.1.2
Resistor Tolerance
8.1.3
EMI Rejection
8.1.4
EMIRR +IN Test Configuration
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Other Application Examples
8.3.1
Preamplifier for Professional Microphones
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.1.1.1
TINA-TI (Free Software Download)
11.1.1.2
TI Precision Designs
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTW|24
MPQF167C
Thermal pad, mechanical data (Package|Pins)
RTW|24
QFND125K
Orderable Information
sbos859b_oa
1
Features
High-Quality Thin-Film Resistors
Matched to 0.004% (Typical)
Integrated EMI Filters
Ultra-low Noise: 2.8 nV/√
Hz
at 1 kHz
Ultra-low Total Harmonic Distortion + Noise:
–119 dB THD+N (142 mW/Ch Into 32 Ω/Ch)
Wide Gain Bandwidth Product:
32 MHz (G = +1000)
High Slew Rate: 10 V/μs
High Capacitive-Load Drive Capability: > 600 pF
High Open-Loop Gain: 136 dB (600-Ω Load)
Low Quiescent Current: 2.6 mA per Channel
Low-Power Shutdown Mode With Reduced Pop-and-Click Noise: 5 μA per Channel
Short-Circuit Protection
Wide Supply Range: ±2 V to ±18 V
Available in Small 24-pin WQFN Package