STAC9752A Datasheet, PDF (14/106 Pages) Integrated Device Technology – AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
2.1.6.
STAC9753A Analog Performance Characteristics
(T_ambient = 25ºC, AVdd = 5.0V±5%, DVdd = 3.3V±5%, AVss = DVss = 0V; 1KHzinputsinewave; SampleFrequency =
48KHz; 0dB = 1Vrms, 10KΩ / 50pFload, Testbench Characterization BW:20Hz–20KHz, 0dB settings on all gain stages)
Parameter
Full Scale Input Voltage:
All Analog Inputs except Mic
Mic Inputs (Note 1)
Full Scale Output:
Line Output
PCM (DAC) to LINE_OUT
MONO_OUT
HEADPHONE_OUT (32 Ω load) (peak)
Analog S/N: (Note 2)
CD to LINE_OUT
Other to LINE_OUT
D/A to LINE_OUT
LINE_IN to A/D with High pass filter enabled
Analog Frequency Response (Note 3)
Total Harmonic Distortion: (Note 4)
CD to LINE_OUT
Other to LINE_OUT
D/A to LINE_OUT (full scale)
LINE_IN to A/D with High pass filter enabled
HEADPHONE_OUT
A/D & D/A Digital Filter Pass Band (Note 5)
A/D & D/A Digital Filter Transition Band
A/D & D/A Digital Filter Stop Band
A/D & D/A Digital Filter Stop Band Rejection (Note 6)
DAC Out-of-Band Rejection (Note 7)
Group Delay (48KHz sample rate)
Any Analog Input to LINE_OUT Crosstalk (10KHz Signal Frequency)
Any Analog Input to LINE_OUT Crosstalk (1KHz Signal Frequency)
Spurious Tone Rejection
Attenuation, Gain Step Size
Input Impedance (Note 8)
Input Capacitance
VREFout
Interchannel Gain Mismatch ADC
Interchannel Gain Mismatch DAC
Gain Drift
Min
Typ
Max Unit
-
1.0
-
Vrms
-
0.03
-
Vrms
-
0.5
-
Vrms
0.5
Vrms
-
0.5
-
Vrms
-
12.5
-
mW
-
93
-
dB
-
93
-
dB
-
91
-
dB
-
85
-
dB
20
-
20,000 Hz
-
93
-
dB
-
93
-
dB
-
84
-
dB
-
84
-
dB
74
80
-
dB
20
-
19,200 Hz
19,200
-
28,800 Hz
28,800
-
-
Hz
100
-
-
dB
55
-
-
dB
-
-
1
ms
70
-
-
dB
-
100
-
dB
-
100
-
dB
-
1.5
-
dB
-
50
-
KΩ
-
15
-
pF
- 0.5 x AVdd -
V
-
-
0.5
dB
-
-
0.5
dB
-
100
- ppm/ºC
Note:
1. With +30 dB Boost on, 1.0Vrms with Boost off
2. 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).0 dB gain, 20 KHz BW, 48 KHz Sample
Frequency± 1 dB limits
3. ± 1dB limits for Line Output & 0 dB gain
IDT™
14
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
V 1.5 1206