TAC5312-Q1
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C ≤ TA ≤ +125°C
- Stereo audio ADC channel
- Performance:
- Line/Microphone differential input dynamic range: 104dB
- Differential input THD+N: –97dB
- Channel summing mode supports high SNR: 107dB
- Input voltage:
- Differential, 10VRMS full-scale inputs
- Single-ended, 5VRMS full-scale inputs
- ADC sample rate (fS) = 4kHz to 768kHz
- Programmable microphone
bias (3V 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
- Performance:
- Stereo audio DAC channel
- Performance:
- DAC to differential line-out dynamic range: 114dB
- DAC to single-ended headphone-out dynamic range: 107dB
- Differential output THD+N: –96dB
- Line-out/Headphone output
voltage:
- Differential, 2VRMS full-scale
- Single-ended, 1VRMS full-scale
- DAC sample rate (fs) = 4kHz to 768kHz
- Performance:
- Common Features
- Low-latency and Ultra low-latency decimation/interpolation filter options
- Programmable HPF and biquad digital filters
- I2C or SPI control interface
- Audio Serial Interface
- Format: TDM, I2S or Left-justified (LJ)
- Word Length: 16, 20, 24 or 32 Bits
- Programmable PLL for flexible clocking
- Low Power Modes
- Single supply operation AVDD: 3.3V
- I/O supply operation: 1.2V or 1.8V or 3.3V
The TAC5312-Q1 is a low-power stereo audio codec with 10VRMS differential input, 104dB ADC and 2VRMS differential output, 114dB DAC. The TAC5312-Q1 supports both differential and single-ended inputs and outputs. The device supports both microphone and line inputs on the ADC channels with options for AC and DC coupling configurations. The DAC outputs can be configured for either line-out or headphone loads. TAC5312-Q1 can drive up to 62.5mW into a 16Ω 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 complete fault diagnostic capability for direct-coupled inputs. The TAC5312-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 any readily available supply in the system to generate this microphone bias. The TAC5312-Q1 integrates a programmable channel gain, digital volume control, a low-jitter phase-locked loop (PLL), a programmable high-pass filter (HPF), programmable EQ and biquad filters, and interpolation and decimation filters with low and ultra-low latency filter modes. The device allows for sample rates up to 768kHz. The TAC5312-Q1 supports time-division multiplexing (TDM), I2S, or left-justified (LJ) audio formats and can be controlled with I2C or SPI. These integrated high-performance features, along with a single, 3.3V supply operation, make TAC5312-Q1 an excellent choice for space-constrained automotive systems.
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