
IDT CONFIDENTIAL
43
V 0.987 11/09
2009 INTEGRATED DEVICE TECHNOLOGY, INC.
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Analog Mixer Enabled, 0dB FS
Signal, PCM data, all others inputes
unmute/silent
5V
4.75V
75
-dBr
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
4.75V
1.05
Dynamic Range1, All Analog Inputs to A/D
High Pass Filer Enabled, -60dB FS,
No boost
5V
4.75V
86
92
dB
SNR2- All Analog Inputs to A/D
High Pass Filter enabled
5V
4.75V
86
-dB
Full Scale Input Voltage
20dB Boost
(input voltage required to generate
0dBFS per AES 17)
5V
4.75V
0.105
Dynamic Range1, All Analog Inputs to A/D
20dB Boost
High Pass Filter Enabled, -60dB FS
5V
4.75V
81
THD+N3 All Analog Inputs to A/D
High Pass Filter enabled, -1/-3dB FS
signal level
5V
4.75V
78
dB
THD+N3 All Analog Inputs to A/D
20dB Boost, High Pass Filter
enabled, -1/-3dB FS signal level
5V
4.75V
72
dB
Analog Frequency Response8
All
10
-
30,000
Hz
A/D Digital Filter Pass Band4
All
20
-
21,000
Hz
A/D Digital Filter Pass Band Ripple
5All
0.1
+/- dB
A/D Digital Filter Transition Band
All
21,000
-
31,000
Hz
A/D Digital Filter Stop Band
All
31,000
-
Hz
A/D Digital Filter Stop Band Rejectio
n6All
-100
-
dB
Group Delay
48 KHz sample rate
All
-
1
ms
Any unselected analog Input to ADC
Crosstalk
10KHz Signal Frequency
All
-65
-
dB
Any unselected analog Input to ADC
Crosstalk
1KHz Signal Frequency
All
-65
-
dB
ADC L/R crosstalk
Any selected input to ADC 20-15Khz
All
-65
dB
DAC to ADC crosstalk
DAC output 0dBFS. All outputs
loaded. Input to ADC open. 20-15Khz
All
-65
dB
Spurious Tone Rejection9
All
-
-100
-
dB
Attenuation, Gain Step Size
(analog)
All
-
1.5
-
dB
Interchannel Gain Mismatch ADC
All
-
0.5
dB
Power Supply
Power Supply Rejection Ratio
10kHz
All
-
-60
-
dB
Parameter
Conditions
AVdd
Min
Typ
Max
Unit
Table 14. 92HD81 Analog Performance Characteristics