92HD75B2X3NLGXYBX Integrated Device Technology (Idt), 92HD75B2X3NLGXYBX Datasheet - Page 36

• Manufacturer Part Number: 92HD75B2X3NLGXYBX
• Description: Audio Codec 2ADC / 2DAC 24-Bit 32-Pin VFQFPN EP
• Manufacturer: Integrated Device Technology (Idt)
• Type: PCMr

Specifications of 92HD75B2X3NLGXYBX

• Package: 32VFQFPN EP
• Adc/dac Resolution: 24 Bit
• Number Of Channels: 2ADC /2 DAC
• Sampling Rate: 192 KSPS
• Number Of Dacs: 2
• Operating Supply Voltage: 1.5|3.3|4|4.75|5 V

4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
5. WIDGET INFORMATION AND SUPPORTED COMMAND VERBS
92HD75B
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
5.1.
5-port 32 pad Widget Diagram
Audio
Link
HD
NID = 26h
PC_BEEP
NID = 12h
NID = 13h
NID = 23h
Digital
ADC0
ADC1
NID = 21h
NID = 22h
VSW0
SPDIF
SPDIF
OUT0
OUT1
NID = 10h
NID = 11h
DAC0
DAC1
NID = 19h
0 to 22.5dB
0 to 22.5dB
1.5dB step
1.5dB step
VSW1
-95.25 to 0dB
-95.25 to 0dB
Figure 13. 92HD75B 5-port 32 pad Widget Diagram
0.75dB step
0.75dB step
ADC0 MUX
ADC1 MUX
VOLUME KNOB
NID = 1Ch
NID = 1Dh
ADC0
ADC1
MUX
MUX
NID = 27h
Inport0 mux
Inport1 mux
ADC0 MUX
ADC1 MUX
ADC0 MUX
ADC1 MUX
NID = 0Fh
DMIC0
DMIC0
Mixer
Mixer
VSW2
NID = 24h
NID = 25h
Dig0Mux
Dig2Mux
36
10/20/30
10/20/30
Mixer
Σ
NID = 1Ah
NID = 1Bh
INPORT0
INPORT1
MUX
MUX
Mute
Mute
Mute
Mute
Mute
Volume
Volume
Volume
Volume
Volume
NID = 17h
B
C
E
B
C
E
-34.5 to +12dB in 1.5dB steps
NID = 15h
OutMux
Mono
Inport0 mux
Inport1 mux
DAC0
DAC1
92HD75B
NID = 16h
OutMix
Mono
10/20/30
MIXER
MIXER
DAC0
DAC1
DAC0
DAC1
NID = 1Eh
NID = 0Ah
NID = 0Bh
NID = 0Ch
NID = 0Dh
NID = 0Eh
NID = 1Fh
NID = 18h
NID = 20h
Dig1Pin
Dig0Pin
Dig2Pin
Port C
Port D
Port A
Port B
Port E
DMIC0
NID = 14h
PCBeep/
BIAS
BIAS
HP
Mono
PC AUDIO
V 1.0 01-09