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110dB, 192kHz, 32-Bit, 8-Channel Audio DAC for Automotive Applications.

SGM56101Q

SGM56101Q.pdf

No.14095

FEATURES

? AEC-Q100 Qualified for Automotive Applications

Device Temperature Grade 1

T_A = -40℃ to +125℃

? Power Supply Voltage Range

Analog Power Supply: AVDD = 3.0V to 3.6V

Digital Power Supply: TVDD = 2.3V to 3.6V

Digital Power Supply with Integrated LDO

? 32-Bit, 8-Channel DAC

x256 Oversampling

32-Bit, High-Performance Sound Digital Filter

THD + N: 91.5dB

DR, SNR: 110dB

Flexible Digital Volume Control System (Each Channel):

Full Range 0dB to -127dB, 0.5dB per Step and Mute

Soft Mute

De-emphasis Filter Options: 32kHz, 44.1kHz and 48kHz

Audio Interface Format Options: MSB/LSB Justified, I2S

and TDM

Channel-Independent Zero Detection

? Sampling Frequency

Normal Speed Mode: fS = 8kHz to 48kHz

Double Speed Mode: fS = 48kHz to 96kHz

Quad Speed Mode: fS = 96kHz to 192kHz

? Master Clock Ratio

Normal Speed Mode: 256 × fS, 384 × fS, 512 × fS,

768 × fS

Double Speed Mode: 128 × fS, 192 × fS, 256 × fS

Quad Speed Mode: 128 × fS

? Control Interface: 3-Wire Serial, I2C-Bus (Fast Speed

Mode: 400kHz ) and Parallel Mode

? Operating Power Consumption: 30.5mA (fS = 48kHz)

? -40℃ to +125℃ Operating Temperature Range

? Available in a Green TQFN-5×5-32FL Package

DESCRIPTION

The SGM56101Q is an 8-channel, 32-bit DAC designed for digital audio systems. Its internal circuitry boasts a state-of-the-art 32-bit digital filter that optimizes both audio quality and short group delay. With support for a maximum 192kHz PCM input, it is ideal for reproducing high-resolution audio sources that are increasingly common in network audios, USB-DACs and car audio systems.

Furthermore, the SGM56101Q incorporates the innovative OSR-doubler technology, enabling it to handle a diverse range of signals while minimizing out-of-band noise and maintaining low power consumption. Additionally, the device provides three types of 32-bit digital filters, which can enable sound making simple and flexible in wide range of applications. It should be noted that SGM56101Q needs to input the MCLK signal in advance to execute the 3-wire serial/I2C-bus program.

The device is AEC-Q100 qualified (Automotive Electronics Council (AEC) standard Q100 Grade 1) and it is suitable for automotive applications.

The SGM56101Q is available in a Green TQFN-5×5-32FL package.

APPLICATION CIRCUIT

PIN CONFIGUTION

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