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The TAC5112WQRTVRQ1 is an automotive-grade low-power stereo audio codec featuring a 105dB dynamic range ADC and a 114dB dynamic range DAC, produced by (TI).

Explanation

The TAC5112WQRTVRQ1 is a low-power automotive stereo audio codec featuring 2VRMS differential input, 105dB stereo ADC and 2VRMS differential output, 114dB stereo or 1VRMS single-ended output, and 107dB four-channel DAC. The TAC5112WQRTVRQ1 supports differential and single-ended input and output. The ADC supports line/microphone input signals and has AC or DC coupling configuration options. The DAC output can be configured as a line output or a headphone load. This DAC can provide up to 62.5mW of driving power for a 16Ω headphone load.

The TAC5112WQRTVRQ1 integrates programmable channel gain, digital volume control, low jitter phase-locked loop (PLL), programmable high-pass filter (HPF), programmable EQ and dual second-order filters, as well as low latency and ultra-low latency filter modes. And it can achieve a sampling rate of up to 768kHz for ADC and DAC signal chains. The TAC5112WQRTVRQ1 supports Time Division Multiplexing (TDM), I2S or Left alignment (LJ) audio formats and can be controlled via I2C or SPI. These integrated high-performance features and single-power operation make the TAC5112WQRTVRQ1 particularly suitable for automotive applications with limited space.

Main features

Comply with the EC-Q100 standard for automotive applications

Temperature grade 1: -40 °C ≤ TA ≤ +125°C

Stereo low-power audio ADC

Performance:

Dynamic range of differential input for line/microphone: 105dB

THD+N: -97dB

The channel addition mode can increase the SNR by 108dB

Input voltage:

Differential, 2VRMS full-scale input

Single-ended, 1VRMS full-scale input

Enter the hybrid/multiplexing option

The ADC sampling rate (fS) ranges from 4kHz to 768kHz

Programmable microphone bias (up to 3V)

Up to 4 recording channels

2 channels analog + 2 channels digital

1 channel analog + 3 channels digital

4-channel digital

Stereo differential or four-channel single-ended high-performance audio DAC

Performance:

The output dynamic range from DAC to differential line: 114dB

The dynamic range of DAC to differential headphone output: 114dB

THD+N:–96dB

Line output/headphone output voltage:

Differential 2VRMS full scale

Pseudo-difference, 1VRMS full scale

Single-ended 1VRMS full scale

The DAC sampling rate (fS) ranges from 4kHz to 768kHz

Application field

TAC5112WQRTVRQ1 is suitable for a variety of automotive applications, including:

Emergency Call (eCall)

Telematics control unit

Active noise reduction for automobiles

Car audio host

In addition, TAC5112WQRTVRQ1 also has the following key parameters:

Type: Stereo audio

Data interfaces: DSP, I2C, I2S, PCM, SPI

Resolution (bit) : 16b, 20b, 24b, 32b

ADC/DAC number: 2/2

Trigonometric integral: Yes

Signal-to-noise ratio, ADC/DAC (db) (typical values) : 100/106

Dynamic range, typical values of ADC/DAC (db) : 100/106

Voltage - Power supply, simulation: 1.65V to 1.95V, 3V to 3.6V

Voltage - Power supply, figures: 1.08V - 1.32V, 1.65V - 1.95V, 3V - 3.6V

Operating temperature: -40°C to 125°C (TA)

Grade: Automotive grade

Qualification: AEC-Q100

Installation type: Surface mount, wettable side wings

Package/Shell: 32-WFQFN

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