92HD87B2X5NDGXTBX IDT, Integrated Device Technology Inc, 92HD87B2X5NDGXTBX Datasheet - Page 42
92HD87B2X5NDGXTBX
Manufacturer Part Number
92HD87B2X5NDGXTBX
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.92HD87B2X5NDGXTBX.pdf
(215 pages)
Specifications of 92HD87B2X5NDGXTBX
Lead Free Status / RoHS Status
Compliant
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IDT PROPRIETARY / IDT
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
4. FUNCTIONAL BLOCK DIAGRAMS
92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Stream &
Stream &
Stream &
Stream &
Channel
Channel
Channel
Channel
MixerOutVol
Mixer
Select
Select
Select
Select
mute
-46.5 to 0 dB
In 1.5 dB steps
CONFIDENTIAL
Port C is an input only on TB silicon
.
Vol
ADC0
ADC1
Σ
vol
vol
mute
mute
Digital
Digital
Mute
Mute
0 to +22.5 dB
In 1.5 dB steps
0 to +22.5 dB
In 1.5 dB steps
Gain
Gain
Figure 8. Functional Block Diagram
DAC 0
Loop 1 ADC1
DAC 1
mute
mute
mute
mute
mute
-34.5 to +12 dB
In 1.5 dB steps
vol
vol
vol
vol
vol
vol
vol
DAC0
DAC1
DMIC0
DMIC0
Port C
Port F
Port A
Port C
Port F
Port A
Port A
Port C
Port F
DAC0
DAC1
42
Mixer
Mixer
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
mute
0,-6,-12,-18dB
92HD87
DMIC_0
Port A
Port C
Port F
vol
Digital Microphone volume and mute is
done after the ADC but shown here and in
widget list as same as analog path.
Σ
Σ
Σ
Σ
Σ
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
Cap-less
Boost
Stereo
Analog PC_BEEP
BTL
Class-AB
HP
HP
LO
LO
DMIC
Boost
Boost
Boost
PC AUDIO
V 0.95 10/10
PORT A
Pin Complex
Pins 28/29
PORT B
Pin Complex
Pins 31/32
PORT C
Pin Complex
Pins 19/20
PORT D
Pin Complex
Pins 39/41/43/44
PORT F
Pin Complex
Pins 17/18
Mic Bias
Mic Bias
DMIC_0
Pin 4
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