stac9723t ETC-unknow, stac9723t Datasheet - Page 44

• Manufacturer Part Number: stac9723t
• Description: Stereo Ac 97 Codec With Multi-codec Option
• Manufacturer: ETC-unknow

SigmaTel, Inc.
04/07/00
Vrefout
Interchannel Gain Mismatch ADC
Interchannel Gain Mismatch DAC
Gain Drift
DAC Offset Voltage
Deviation from Linear Phase
External Load Impedance
Mute Attenuation (0 dB)
Notes:
1.
2.
3.
4.
5.
6.
7.
With +20 dB Boost on, 1.0Vrms with Boost off
± 1 dB limits
The ratio of the rms output level with 1 kHz full scale input to the rms output level with all
zeros into the digital input. 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).
0 dB gain, 20 kHz BW, 48 kHz Sample Frequency
± 0.25dB limits
Stop Band rejection determines filter requirements.
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.
Data Sheet
44
10
90
-
AVdd
0.5 x
100
10
96
Out-of-Band rejection determines
-
0.5
0.5
50
−
1
STAC9721
ppm/
degree
mV
KΩ
dB
dB
dB
V
o C
04/07/00