92HD001 데이터 시트보기 (PDF) - Integrated Device Technology
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92HD001 Datasheet PDF : 124 Pages
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92HD001
2-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Parameter
Any Analog Input to ADC (1 KHz Signal Frequency) Crosstalk
Spurious Tone Rejection
Attenuation, Gain Step Size ANALOG
Attenuation, Gain Step Size DIGITAL
Input Impedance
Input Capacitance
VREFout
VREF
Interchannel Gain Mismatch ADC
Interchannel Gain Mismatch DAC
Gain Drift
DAC Offset Voltage
Deviation from Linear Phase
All Analog Outputs Load Resistance
All Analog Outputs Load Capacitance
HEADPHONE_OUT Load Resistance
HEADPHONE_OUT Load Capacitance
Mute Attenuation
PLL lock time
PLL (or Azalia Bit CLK) 24.576 MHz clock jitter
Min
Typ
-
-75
-
-100
-
1.5
-
0.75
-
50
-
15
-
0.5 X AVdd
-
0.45X AVdd
-
-
-
-
100
-
5
-
10
-
10
-
-
-
32
-
100
-
-
-
96
-
100
Max
Unit
-
dB
-
dB
-
dB
-
dB
-
KΩ
-
pF
-
V
0.5
V
0.5
dB
-
dB
-
ppm/ºC
10
mV
1
deg.
-
KΩ
50
pF
-
W
-
pF
-
dB
200
μsec
300
psec
1. With +30 dB Boost on, 1.00 Vrms with Boost off.
2. Ratio of Full Scale signal to noise output with -60dB signal, measured “A weighted” over a 20 Hz to a 20 KHz
bandwidth.
3. ± 1dB limits for Line Output & 0 dB gain, at -20dBV
4. Ratio of Full Scale signal to THD+N output with -3dB signal, measured “A weighted” over a 20 Hz to a 20 KHz
bandwidth. Sample Frequency = 48 KHz.
5. Ratio of Full Scale signal to idle channel noise output is measured “A weighted” over a 20 Hz to a 20 KHz
bandwidth. (AES17-1991 Idle Channel Noise or EIAJ CP-307 Signal-to-noise Ratio).
6. Peak-to-Peak Ripple over Passband meets ± 0.25dB limits, 48 KHz Sample Frequency.
7. Stop Band rejection determines filter requirements. Out-of-Band rejection determines audible noise.
8. The integrated Out-of-Band noise generated by the DAC process, during normal PCM audio playback, over a
bandwidth 28.8 to 100 KHz, with respect to a 1 Vrms DAC output.
IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC
18
IDT CONFIDENTIAL
92HD001
V 1.1 01/08
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