92hd75b Integrated Device Technology, 92hd75b Datasheet - Page 30

• Manufacturer Part Number: 92hd75b
• Description: Four Channel Hd Audio Codec
• Manufacturer: Integrated Device Technology

4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
Analog to Digital Converter
92HD75B
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
SNR
THD+N
Attenuation, Gain Step Size ANALOG
Gain Drift
Resolution
Full Scale Input Voltage
Dynamic Range
SNR
THD+N All Analog Inputs to A/D
THD+N All Analog Inputs to A/D
Analog Frequency Response
A/D Digital Filter Pass Band
A/D Digital Filter Transition Band
A/D Digital Filter Stop Band
A/D Digital Filter Stop Band Rejection
Group Delay
Any unselected analog Input to ADC
Crosstalk
Any unselected analog Input to ADC
Crosstalk
ADC L/R crosstalk
DAC to ADC crosstalk
Spurious Tone Rejection
2
2
- DAC to All Headphone Ports
- All Analog Inputs to A/D
3
- DAC to All Headphone Ports
8
Parameter
1
, All Analog Inputs to A/D
Table 12. 92HD75B 5V, 4.75V, and 3.3V Analog Performance Characteristics
10
4
9
5
VREF_OUT=80%, BOOST=0dB, 32
Analog Mixer Enabled,0dB FS Signal,
Any selected input to ADC 20-15Khz
High Pass Filer Enabled, -60dB FS,
(input voltage required to generate
Any DAC output to ADC 20-15Khz
High Pass Filter enabled, -3dB FS
Analog Mixer Enabled, 32Ω load,
High Pass Filter enabled, 0dB FS
VREF_OUT=80%, BOOST=0dB
VREF_OUT=80%, BOOST=0dB
10KHz Signal Frequency
High Pass Filter enabled
1KHz Signal Frequency
32Ω load, PCM data
48 KHz sample rate
0dBFS per AES 17)
Conditions
signal level
signal level
0dB Boost
PCM data
No boost
load
30
Ω
4.75V
4.75V
4.75V
4.75V
4.75V
4.75V
4.75V
AVdd
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
5V
5V
5V
5V
5V
5V
5V
All
All
All
All
All
All
All
All
All
All
All
All
All
All
92HD75B
21,000
31,000
1.05
1.05
0.71
-100
Min
-65
-65
-65
-65
85
85
85
60
60
60
86
86
82
86
86
82
78
78
78
78
78
78
10
20
-
-
-
-
-100
Typ
100
1.5
-90
24
-
-
-
-
-
30,000
21,000
31,000
Max
1
-
-
-
PC AUDIO
V 1.0 01-09
Vrms
Unit
Bits
dBr
dBr
dBr
ms
dB
dB
dB
dB
dB
Hz
Hz
Hz
Hz
dB
dB
dB
dB
dB
dB