92HD71B7 Datasheet, PDF (29/216 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER

92HD71B7
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
PC AUDIO
Table 13. 92HD71B7 5V, 4.75V, and 3.3V Analog Performance Characteristics
Parameter
All Analog Inputs with boost
All Analog Inputs with boost
All Analog Inputs with boost
Input Impedance
Input Capacitance
Analog Mixer
Conditions
20dB Boost
30dB Boost
40dB Boost
AVdd Min Typ
5V
4.75V 0.10
-
3.3V
5V
4.75V 0.03
-
3.3V
5V
4.75V 0.01
-
3.3V
All
-
50
All
-
15
SNR2 - All Line-In to A D & F Line-Outs
5V
4.75V 84
90
3.3V
THD+N3 - All Line-In to A D & F Line-Out
0dBFS Input
5V
4.75V 65
72
3.3V
SNR2 - DAC to All Line-Out Ports
5V
88
90
Analog Mixer Enabled, PCM data 4.75V 86
88
3.3V 83
85
THD+N3 - DAC to All Line-Out Ports
Analog Mixer Enabled, -1dB FS
Signal, PCM data
5V
74
4.75V 72
3.3V 70
76
74
73
SNR2 - DAC to All Headphone Ports
Analog Mixer Enabled, 10KΩ load,
PCM data
5V
4.75V
3.3V
88
86
83
90
88
85
THD+N3 - DAC to All Headphone Ports
Analog Mixer Enabled, -1dB FS
Signal, 10KΩ load, PCM data
5V
76
4.75V 74
3.3V 71
77
75
73
SNR2 - DAC to All Headphone Ports
Analog Mixer Enabled, 32Ω load,
PCM data
5V
4.75V
3.3V
86
84
81
89
87
84
THD+N3 - DAC to All Headphone Ports
Analog Mixer Enabled, -1dB FS
Signal, 32Ω load, PCM data
5V
64
4.75V 62
3.3V 59
70
68
65
Attenuation, Gain Step Size ANALOG
All
-
1.5
Gain Drift⁷
Analog to Digital Converter
All
-
100
Resolution
All
24
Dynamic Range1, All Analog Inputs to A/D _{High Pass Filer Enabled, -60dB FS,}
No boost
5V
4.75V
3.3V
86
86
80
88
88
85
Max
Unit
-
Vrms
-
Vrms
-
Vrms
-
KΩ
-
pF
dB
dB
dB
dB
dB
dB
dB
dB
-
dB
-
ppm/ºC
Bits
dB
IDT™ CONFIDENTIAL AND PROPRIETARY
29
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
92HD71B7
V 0.9 07/07