参数资料
型号: STAC9221D3TAEYYX
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 编解码器
英文描述: 8-CHANNEL HIGH DEFINITION AUDIO CODEC
中文描述: PCM CODEC, PQFP48
封装: LEAD FREE, LQFP-48
文件页数: 17/172页
文件大小: 1129K
代理商: STAC9221D3TAEYYX
STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
IDT
17
STAC9220/9221/9223
V 0.96 102706
8-CHANNEL HIGH DEFINITION AUDIO CODEC
1.
2.
With +30dB Boost on, 1.00 Vrms with Boost off.
Ratio of Full Scale signal to noise output with -60dB signal, measured “A weighted” over a 20 Hz to a 20 KHz
bandwidth.
± 1dB limits for Line Output & 0dB gain, at -20dBV
Amplitude of THD+N, measured with A-weighting filter, over 20 Hz to 20 KHz bandwidth.
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).
Peak-to-Peak Ripple over Passband meets ± 0.25dB limits, 48 KHz Sample Frequency.
Stop Band rejection determines filter requirements. Out-of-Band rejection determines audible noise.
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.
3.
4.
5.
6.
7.
8.
Any Analog Input to ADC (10 KHz Signal Frequency) Crosstalk
-
-85
-
dB
Any Analog Input to ADC (1 KHz Signal Frequency) Crosstalk
-
-80
-
dB
Spurious Tone Rejection
-
-100
-
dB
Attenuation, Gain Step Size ANALOG
-
1.5
-
dB
Attenuation, Gain Step Size DIGITAL
-
0.75
-
dB
K
pF
Input Impedance
-
50
-
Input Capacitance
-
15
-
VREFout
-
0.5 X AVdd
-
V
VREF
-
0.45 X AVdd
0.5
V
Interchannel Gain Mismatch ADC
-
-
0.5
dB
Interchannel Gain Mismatch DAC
-
-
-
dB
Gain Drift
-
100
-
ppm/oC
DAC Offset Voltage
-
5
20
mV
Deviation from Linear Phase
-
10
1
deg.
K
pF
pF
All Analog Outputs Load Resistance
-
10
-
All Analog Outputs Load Capacitance
-
-
50
HEADPHONE_OUT Load Resistance
-
32
-
HEADPHONE_OUT Load Capacitance
-
100
-
Mute Attenuation
-
-
-
dB
μ
sec
psec
PLL lock time
-
96
200
PLL (or Azalia Bit CLK) 24.576 MHz clock jitter
-
100
300
Parameter
Min
Typ
Max
Unit
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