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INA1650QPWRQ1 is a high performance, low distortion audio line receiver designed for automotive applications ‌.

Its main features include

Comply with the EC-Q100 standard for automotive applications

Temperature grade 1: -40 °C to +125°C, TA

High common-mode suppression: 91dB (typical value)

High input impedance: 1MΩ differential

Ultra-low noise: -104.7dBu, unweighted

Ultra-low total harmonic distortion + noise

-119dB THD+N (20dBu, 22kHz bandwidth)

Short-circuit protection

Integrated electromagnetic interference (EMI) filter

Wide power supply voltage range: ±2.25V to ±12V

It adopts a small 14-pin TSSOP package

These features make the INA1650QPWRQ1 excel in automotive audio systems, providing clear, stable audio signals suitable for a wide range of complex automotive electronic environments ‌.

Explanation

The INA1650QPWRQ1 dual-channel SoundPlus™ audio line receiver achieves an extremely high common-mode rejection ratio (CMRR) of 91dB. Meanwhile, for a 20dBu signal level, it maintains an ultra-low THD+N of -119dB at 1kHz. Unlike other line receiver products, the INA1650QPWRQ1 CMRR can maintain its characteristics within the rated temperature range. After production testing, it can provide stable performance in various applications.

The INA1650QPWRQ1 device supports an extremely wide power supply voltage range from ±2.25V to ±12V. In addition to the line receiver channel, the INA1650QPWRQ1 also includes a buffered 1/2 Vs reference output, thus it can be configured for dual power or single power applications. The 1/2 Vs output can be used as the bias voltage of another analog circuit in the signal chain.

The INA1650QPWRQ1 features a unique internal layout, enabling minimal crosstalk and zero interaction between channels even under overdrive or overload conditions.

Application field

INA1650QPWRQ1 is applicable to the following fields, including:

Cabin microphone preamplifier

Infotainment system

Audio input circuit

Line driver

External audio power amplifier

Performance parameters

Type: Audio Line Receiver

Number of channels: 2 channels

Power supply voltage - minimum: 4.5V

Power supply voltage - Maximum: 24 V

Working power supply current: 10.5 mA

Series: INA1650

Minimum operating temperature: -40 ° C

Maximum operating temperature: + 125 ° C

Packaging/Box: TSSOP-14

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