92HD66C Datasheet, PDF (38/291 Pages) Integrated Device Technology – SIX CHANNEL HD AUDIO CODECS

92HD66C
SIX CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
Parameter
Conditions
AVdd Min Typ Max Unit
Analog Mixer
Dynamic Range: PCM to All Analog
Outputs
-60dB FS signal level Analog Beep 5V 90
enabled all other mixer inputs mute 3.3V 87
dB
SNR² - All Line-In to all Line-Outs
All inputs unmuted, but only one 5V 85
driven with test signal.
3.3V 80
dB
THD+N³ - All Line-In to all Line-Out
0dBFS Input on one input. All
others silent.
5V 65
3.3V 60
dB
SNR² - DAC to All Line-Out Ports
Analog Beep Enabled, PCM data. 5V 93
all other inputs mute
3.3V 93
dB
SNR² - DAC to All Ports
Analog Mixer Enabled, PCM data 5V 85
all other inputs unmuted/silent 3.3V 80
dB
THD+N³ - DAC to All Ports
Analog Mixer Enabled, 0dB FS
Signal, PCM data. all other inputs
unmuted/silent
5V
3.3V
72
72
dB
Attenuation, Gain Step Size ANALOG
All
-
1.5
dB
Analog to Digital Converter
Resolution
All
24
Bits
Full Scale Input Voltage
0dB Boost
(input voltage required to generate
0dBFS per AES 17)
5V
3.3V
1.05
0.71
Dynamic Range¹, All Analog Inputs to High Pass Filter Enabled, -60dB 5V
93
A/D
FS, No boost
3.3V
87
Vrms
dB
Full Scale Input Voltage
20dB Boost
(input voltage required to generate
0dBFS per AES 17)
5V
3.3V
0.105
0.071
Vrms
Dynamic Range¹, All Analog Inputs to
A/D
20dB Boost
High Pass Filter Enabled, -60dB
FS
5V
3.3V
87
83
dB
THD+N All Analog Inputs to A/D
High Pass Filter enabled, -1/-3 dB 5V
FS signal level
3.3V
83
75
dB
THD+N All Analog Inputs to A/D
Analog Frequency Response⁹
A/D Digital Filter Pass Band⁴
A/D Digital Filter Pass Band Ripple⁵
20dB Boost, High Pass Filter
5V
enabled, -1/-3 dB FS signal level 3.3V
All 10
All 20
All
80
75
dB
30,000 Hz
21,000 Hz
0.1 +/- dB
A/D Digital Filter Transition Band
All
21,00
0
31,000 Hz
A/D Digital Filter Stop Band
A/D Digital Filter Stop Band Rejection⁶
All
31,00
0
Hz
All -100
dB
Group Delay
48 KHz sample rate
All
1
ms
Table 22. Analog Performance
IDT CONFIDENTIAL
38
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92HD66C