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INA1650-Q1

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Automotive, High Common-mode Rejection, Low Distortion Differential Audio Line Receiver

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Data sheet

INA1650-Q1

ACTIVE
Data sheet Order now

Product details

Supply voltage (max) (V) 24 Supply voltage (min) (V) 4.5 Rating Automotive Operating temperature range (°C) -40 to 125
Supply voltage (max) (V) 24 Supply voltage (min) (V) 4.5 Rating Automotive Operating temperature range (°C) -40 to 125
TSSOP (PW) 14 32 mm² 5 x 6.4
  • 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

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.

 

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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Top documentation Type Title Format options Date
* Data sheet INA165x-Q1 SoundPlus™ High Common-Mode Rejection Line Receivers datasheet (Rev. C) PDF | HTML 02 May 2019
Application note Design Guide for a High-Output-Power Hi-Fi Headphone Amplifier Based on INA1650-Q1 for Automotive Applications (Rev. A) PDF | HTML 04 May 2026

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Evaluation board

INA1650EVM — INA1650 Evaluation Module

The INA1650EVM is a hardware platform for evaluating the performance of the INA1650 differential line receiver. The INA1650, a new addition to the SoundPlus™ integrated circuit products, features superior common-mode rejection ratio (CMRR) over a wide temperature range and ultra-low distortion and (...)
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Simulation model

INA1650 TINA-TI Reference Design (Rev. C)

SBOMAA9C.TSC (298 KB) - TINA-TI Reference Design
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Simulation model

INA1650 TINA-TI Spice Model (Rev. C)

SBOMAB0C.ZIP (21 KB) - TINA-TI Spice Model
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Simulation model

INA1650 and INA1650-Q1 PSpice Model (Rev. D)

SBOMAA8D.ZIP (29 KB) - PSpice Model
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