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INA1651-Q1
  • INA1651-Q1
  • INA1651-Q1

INA1651-Q1

ACTIVE

SoundPlus™ high common-mode rejection, low distortion differential line receiver for automotive

Texas Instruments INA1651-Q1 Product Info

1 April 2026 4

Parameters

Supply voltage (max) (V)

24

Supply voltage (min) (V)

4.5

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Package

TSSOP (PW)-14-32 mm² 5 x 6.4

Features

  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • High common-mode rejection: 91 dB (typical)
  • High input impedance: 1 MΩ differential
  • Ultra-low noise: –104.7 dBu, unweighted
  • Ultra-low total harmonic distortion + noise:
    –119 dB THD+N (20 dBu, 22-kHz bandwidth)
  • Short-circuit protection
  • Integrated EMI filters
  • Wide supply range: ±2.25 V to ±12 V
  • Available in small 14-Pin TSSOP package
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • High common-mode rejection: 91 dB (typical)
  • High input impedance: 1 MΩ differential
  • Ultra-low noise: –104.7 dBu, unweighted
  • Ultra-low total harmonic distortion + noise:
    –119 dB THD+N (20 dBu, 22-kHz bandwidth)
  • Short-circuit protection
  • Integrated EMI filters
  • Wide supply range: ±2.25 V to ±12 V
  • Available in small 14-Pin TSSOP package

Description

The INA1650-Q1 dual-channel and INA1651-Q1 single-channel (INA165x-Q1) SoundPlus™ audio line receivers achieve an extremely high common-mode rejection ratio (CMRR) of 91 dB while maintaining an ultra-low THD+N of –119 dB at 1 kHz for 20-dBu signal levels. Unlike other line receiver products, the INA165x-Q1 CMRR is characterized over temperature and tested in production to deliver consistent performance in a wide variety of applications.

The INA165x-Q1 devices operate over a very-wide-supply range of ±2.25 V to ±12 V. In addition to the line-receiver channels, a buffered midsupply reference output is included to allow the INA165x-Q1 to be configured for dual-supply or single-supply applications. The midsupply output can be used as a bias voltage for other analog circuitry in the signal chain.

The INA1650-Q1 features a unique internal layout for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded.

 

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