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1 Features

? AEC-Q100 qualified for automotive applications

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

? ADC Channel

– Performance:

? Line differential input dynamic range: 108dB

? Mic differential input dynamic range: 108dB

? THD+N: –95dB

? Channel summing mode supports high SNR

– Input voltage:

? Differential, 10-VRMS full-scale inputs

? Single-ended, 5-VRMS full-scale inputs

– Sample rate (fS) = 8kHz to 768kHz

– Programmable microphone bias (5V to 10V):

? With an integrated efficient boost converter,

or

? With external high voltage HVDD supply

– Programmable microphone input fault

diagnostics:

? Open inputs or shorted inputs

? Short to ground, MICBIAS or VBAT

? Microphone bias over current protection

? DAC Channel

– DAC performance:

? DAC to Line Out Dynamic Range: 119dB

? DAC to HP Out Dynamic Range: 115dB

? THD+N: –95dB

– Head Phone/Line Out output voltage:

? Differential, 2-VRMS full-scale

? Single-ended, 1-VRMS full-scale

– DAC sample Rates (fs) = 8KHz to 768KHz

? Common Features

– Low Latency Filter Selection

– Programmable HPF and Biquad Filters

– I2C Control Interface

– Audio Serial Interface

? Format: TDM, I2S or Left Justified

? Word Length: 16,20,24 or 32 Bits

– Programmable PLL for Flexible Clocking

– Single Supply Operation: 3.3V

– I/O Supply Operation: 1.2V, 1.8V or 3.3V

2 Applications

? Emergency Call- E-Call

? Telematics Control Unit

? Automotive active noise cancellation

? Automotive head units

3 Description

The TAC5412-Q1 is a high performance Stereo

Codec with 10VRMS differential Input, 108dB Stereo

ADC and 2VRMS Stereo DAC Channels. The

TAC5412-Q1 supports both differential and Single

Ended input and output. Device supports both

Microphone and Line In input on ADC Channel.

DAC Output can be configured for either Line Out

or Head Phone Load. TAC5412-Q1 can drive up

to 62.5mW into a Headphone Load. The device

also offers an integrated high-voltage, programmable

microphone bias, and input diagnostic circuitry

that allows direct connection to microphone-based

automotive systems with full fault diagnostic capability

for direct-coupled inputs. The TAC5412-Q1 integrates

an efficient boost converter to generate a high voltage

microphone bias using an external, low-voltage,

3.3V supply, The device can also directly use an

external high-voltage supply (HVDD), which is a

readily available supply in the system to generate

the high-voltage, programmable microphone bias.

The TAC5412-Q1 integrates programable channel

gain, digital volume control, a low-jitter phase-locked

loop (PLL), a programmable high-pass filter (HPF),

programmable EQ and biquad filters, low-latency filter

modes. It allows for sample rates up to 768kHz.

The TAC5412-Q1 supports time-division multiplexing

(TDM), I2S, or left-justified (LJ) audio formats, and

can be controlled with I2C. These integrated highperformance

features, along with a single, 3.3V

supply operation, makes TAC5412-Q1 an excellent

choice for space-constrained automotive systems.