AK7742 Datasheet 24Bit 2ch ADC + 24Bit 4ch DAC

Manufacturer: AKM (Asahi Kasei Microdevices)

Datasheet Details

Part number	AK7742
Manufacturer	AKM (Asahi Kasei Microdevices)
File Size	382.63 KB
Description	24Bit 2ch ADC + 24Bit 4ch DAC
Datasheet	AK7742 Datasheet

The AK7742 is a highly integrated audio digital processor, including two stereo 24bit DAC’s and one stereo ADC with input selector.

The stereo DAC and ADC

[AK7742] = Preliminary = AK7742 24bit 2ch ADC + 24bit 4ch DAC with Audio.

DSP: - Word length: 24bit (Data RAM 24bit floating point) - Instruction cycle: 13.6 ns (1536step/fs fs=48kHz; 9216step/fs fs=8kHz) - Multiplier 20 x 16 → 36bit (double precision available) - Divider 20 / 20 → 20bit - ALU: 40bit arithmetic operation (overflow margin 4bit) 24bit floating point arithmetic and logic operation - Program RAM: 1536 x 36bit - Coefficient RAM: 1536 x 16bit - Data RAM: 1536 x 24-bit (24bit floating point) - Delay RAM: 74kbit (3072 x 24bit) - Sampling frequency: 8kH.

Part Number	Description
AK7744VT	24bit 3ch ADC + 24bit 4ch DAC
AK7746	Audio DSP
AK7712	Built-in 20-bit ADC/DAC Sophisticated Audio DSP
AK7712A-VT	Built-in 20-bit ADC/DAC Sophisticated Audio DSP
AK7714	20-Bit Audio Codec
AK7730A	24bit 2ch adc
AK7841	Monaural Audio Class-D Amp
AK7844	Stereo Audio Class-D Amp
AK7846	Stereo Audio Class-D Amp
AK7864	3 channel LED driver