SBOS772C August   2017  – May 2019 INA1650-Q1 , INA1651-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
    1.     Simplified Internal Schematic
  3. 3 Description
    1.     CMRR Histogram (5746 Channels)
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions: INA1650-Q1
    2.     Pin Functions: INA1651-Q1
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics:
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Audio Signal Path
      2. 7.3.2 Supply Divider
      3. 7.3.3 EMI Rejection
      4. 7.3.4 Electrical Overstress
      5. 7.3.5 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Single-Supply Operation
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Input Common-Mode Range
      2. 8.1.2 Common-Mode Input Impedance
      3. 8.1.3 Start-Up Time in Single-Supply Applications
      4. 8.1.4 Input AC Coupling
      5. 8.1.5 Supply Divider Capacitive Loading
    2. 8.2 Typical Applications
      1. 8.2.1 Line Receiver for Differential Audio Signals in a Split-Supply System
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Two-Channel Microphone Input for Automotive Infotainment Systems
      3. 8.2.3 TRS Audio Interface in Single-Supply Applications
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 TINA-TI (Free Software Download)
        2. 11.1.1.2 TI Precision Designs
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Community Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

INA1650-Q1 PW Package
14-Pin TSSOP
Top View

Pin Functions: INA1650-Q1

PIN I/O DESCRIPTION
NAME NO.
COM A 3 I Input common, channel A
COM B 6 I Input common, channel B
IN+ A 2 I Noninverting input, channel A
IN– A 4 I Inverting input, channel A
IN+ B 7 I Noninverting input, channel B
IN– B 5 I Inverting input, channel B
OUT A 13 O Output, channel A
OUT B 8 O Output, channel B
REF A 12 I Reference input, channel A. This pin must be driven from a low impedance.
REF B 9 I Reference input, channel B. This pin must be driven from a low impedance.
VCC 1 — Positive (highest) power supply
VEE 14 — Negative (lowest) power supply
VMID(IN) 11 I Input node of internal supply divider. Connect a capacitor to this pin to reduce noise from the supply divider circuit.
VMID(OUT) 10 O Buffered output of internal supply divider.
INA1651-Q1 PW Package
14-Pin TSSOP
Top View

Pin Functions: INA1651-Q1

PIN I/O DESCRIPTION
NAME NO.
COM A 3 I Input common, channel A
IN+ A 2 I Noninverting input, channel A
IN– A 4 I Inverting input, channel A
NC 5 — No internal connection
NC 6 — No internal connection
NC 7 — No internal connection
NC 8 — No internal connection
NC 9 — No internal connection
OUT A 13 O Output, channel A
REF A 12 I Reference input, channel A. This pin must be driven from a low impedance.
VCC 1 — Positive (highest) power supply
VEE 14 — Negative (lowest) power supply
VMID(IN) 11 I Input node of internal supply divider. Connect a capacitor to this pin to reduce noise from the supply divider circuit.
VMID(OUT) 10 O Buffered output of internal supply divider.