92hd81 Integrated Device Technology, 92hd81 Datasheet - Page 40

• Manufacturer Part Number: 92hd81
• Description: Single Chip Pc Audio System
• Manufacturer: Integrated Device Technology

SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Digital to Analog Converters
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Resolution
Dynamic Range
Outputs
SNR
THD+N
SNR
THD+N
SNR
THD+N
Any Analog Input (ADC) to DAC Crosstalk
Any Analog Input (ADC) to DAC Crosstalk
DAC L/R crosstalk
DAC L/R crosstalk
3.2.
accumulate and discharge electrostatic charges up to 4000 Volts without detection. Even though the 92HD81 implements
2
2
2
ESD:
- DAC to All Mono/Line-Out Ports
- DAC to All Headphone Ports
- DAC to All Headphone Ports
internal ESD protection circuitry, proper ESD precautions should be followed to avoid damaging the functionality or
3
3
3
- DAC to All Mono/Line-Out Ports Analog Mixer Disabled, 0/-1/-3dB FS
- DAC to All Headphone Ports
- DAC to All Headphone Ports
92HD81 5V, 4.75V, and 3.3V Analog Performance Characteristics
Parameter
The 92HD81 is an ESD (electrostatic discharge) sensitive device. The human body and test equipment can
1
: PCM to All Analog
(Tambient = 25 ºC, AVdd = Supply ± 5%, DVdd = 3.3V ± 5%, AVss=DVss=0V; 20Hz to 20KHz swept
sinusoidal input; Sample Frequency = 48 kHz; 0 dB = 1 VRMS, 10K
acterization BW: 20 Hz – 20 kHz, 0 dB settings on all gain stages)
Table 14. 92HD81 5V, 4.75V, and 3.3V Analog Performance Characteristics
Analog Mixer Disabled, 0/-1/-3dB FS
DAC to HP 20-15KHz into 32Ω load
Analog Mixer Disabled, 10KΩ load,
Analog Mixer Disabled, PCM data
Analog Mixer Disabled, 32Ω load,
signal applied to ADC, DACs idle,
DAC to LO or HP 20-15KHz into
Analog Mixer Disabled, 0dB FS
10KHz Signal Frequency. 0dBV
Signal, 10KΩ load, PCM data
Signal, 32Ω load, PCM data
ports enabled as output.
1KHz Signal Frequency
-60dB FS signal level
Signal, PCM data
performance.
Conditions
10KΩ load
see above
PCM data
PCM data
40
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
92HD81
Min
-65
-65
93
93
93
95
95
95
83
83
83
95
95
95
83
83
83
95
95
95
68
68
68
65
65
Ω
//50pF load, Testbench Char-
(PRELIMINARY)
Typ
24
-
-
Max
-
-
-
PC AUDIO
V 0.97 01/09
Unit
Bits
dBr
dBr
dBr
dB
dB
dB
dB
dB
dB
dB
dB