IDT92HD71B5X3NLGXB3X8 IDT, Integrated Device Technology Inc, IDT92HD71B5X3NLGXB3X8 Datasheet - Page 14
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IDT92HD71B5X3NLGXB3X8
Manufacturer Part Number
IDT92HD71B5X3NLGXB3X8
Description
IC AUDIO CODEC HD 4CH 48-VFQFPN
Manufacturer
IDT, Integrated Device Technology Inc
Type
Audio Codec, HDr
Datasheet
1.IDT92HD71B5X3NLGXB3X8.pdf
(193 pages)
Specifications of IDT92HD71B5X3NLGXB3X8
Resolution (bits)
24 b
Number Of Adcs / Dacs
2 / 2
Sigma Delta
No
S/n Ratio, Adcs / Dacs (db) Typ
86 / 90
Dynamic Range, Adcs / Dacs (db) Typ
86 / 90
Voltage - Supply, Analog
3.14 V ~ 3.47 V; 3.8 V ~ 4.2 V; 4.28 V ~ 4.73 V; 4.75 V ~ 5.25 V
Voltage - Supply, Digital
3.14 V ~ 3.47 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-VFQFN
Single Supply Voltage (typ)
3.3/5V
Single Supply Voltage (min)
3.135/4.75V
Single Supply Voltage (max)
3.465/5.25V
Package Type
QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
92HD71B5X3NLGXB3X8
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDT92HD71B5X3NLGXB3X8
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
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4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
92HD71B5
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
On
On
On
On
On
On
On
On
On
On
On
D0
1.4.7.
1.4.8.
1.4.9.
D1
Off
Off
Off
Off
Off
Off
On
On
On
On
On
DAC1 Output: When enabled (by using port connection list), both DAC1 Outputs are summed
together.
Input Mixer: When enabled (by using mono mix connection list and DAC mixer), both mixer outputs
are summed together.
The stereo inputs are scaled by -6dB and then summed to provide an output that is the average of
the two inputs. The full scale output at mono out is designed to be about 0dBV. It is not possible to
adjust to a +3dBV output level.
Input Multiplexers
92HD71B5 implements 2 port input multiplexers. These multiplexers incorporate the microphone
boost function (0, 10dB, 20dB, 30dB, and 40dB gain) as an output amp and allow a preselection of
one of three possible inputs:
Port B
Port C
NOTE: Changing the Input multiplexer setting will affect the ADC.
ADC Multiplexers
92HD71B5 implements 2 ADC input multiplexers. These multiplexers incorporate the ADC record
gain function (0 to +22.5dB gain in 1.5dB steps) as an output amp and allow a preselection of one of
four possible inputs:
•
•
•
Power Management
The following table describes what functionality is active in each power state
The D3-default state is available for HD Audio compliance. The programmable values, exposed via
vendor-specific settings, are under the IDT Device Driver control for further power reduction.
The default power state for the Audio Function Group after reset is D3-default..
DMIC 0
DMIC1
InPortMux (ADC0 selects inport0_mux / ADC1 selects inport1_mux)
D2
Off
Off
Off
Off
Off
Off
Off
Off
On
On
On
1
Low Drive2
Low Drive
Low Drive
Table 5. Power Managemen
Off
Off
Off
Off
Off
Off
Off
Off
D3
2
3
vendor specific
14
Programmable
Programmable
Programmable
-
-
-
-
-
-
-
-
92HD71B5
ADC Volume Control
Analog Clocks
VrefOut Pins
Input Boost
Function
HP Amps
VAG amp
Ref ADC
Lo Amp
DAC
ADC
D2S
PC AUDIO
V 1.0, 01/08
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