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DS792F2
15
CS43L22
Confidential Draft
3/4/10
LINE OUTPUT VOLTAGE LEVEL CHARACTERISTICS
Test conditions (unless otherwise specified): Input test signal is a full-scale 997 Hz sine wave; measurement bandwidth is 20 Hz
to 20 kHz; Sample Frequency = 48 kHz; Test load RL = 10 kΩ, CL = 10 pF (see Figure 2); “Required Initialization Settings” on
page 32 written on power up.
COMBINED DAC INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE
9.
Response is clock dependent and will scale with Fs. Note that the response plots (Figures 22 and 25 on
page 63) have been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.
10. Measurement Bandwidth is from Stopband to 3 Fs.
Parameters
VA = 2.5V
Min
Typ
Max
VA = 1.8V
Min
Typ
Max
Unit
AOUTx Voltage Into RL = 10 kΩ
HP_GAIN[2:0]
Analog
Gain (G)
VHP
000
0.3959
1.8 V
-
1.34
-
0.97
-
Vpp
2.5 V
-
1.34
-
0.97
-
Vpp
001
0.4571
1.8 V
-
1.55
-
1.12
-
Vpp
2.5 V
-
1.55
-
1.12
-
Vpp
010
0.5111
1.8 V
-
1.73
-
1.25
-
Vpp
2.5 V
-
1.73
-
1.25
-
Vpp
011 (default)
0.6047
1.8 V
-
2.05
-
1.41
1.48
1.55
Vpp
2.5 V
1.95
2.05
2.15
-
1.48
-
Vpp
100
0.7099
1.8 V
-
2.41
-
1.73
-
Vpp
2.5 V
-
2.41
-
1.73
-
Vpp
101
0.8399
1.8 V
-
2.85
-
2.05
Vpp
2.5 V
-
2.85
-
2.05
-
Vpp
110
1.0000
1.8 V
-
3.39
-
2.44
-
Vpp
2.5 V
-
3.39
-
2.44
-
Vpp
111
1.1430
1.8 V
(See (Note 8)
2.79
Vpp
2.5 V
-
3.88
-
2.79
-
Vpp
Parameters (Note 9)
Min
Typ
Max
Unit
Frequency Response 10 Hz to 20 kHz
-0.01
-
+0.08
dB
Passband
to -0.05 dB corner
to -3 dB corner
0
-
0.4780
0.4996
Fs
StopBand
0.5465
-
Fs
StopBand Attenuation (Note 10)
50
-
dB
Group Delay
-
9/Fs
-
s
De-emphasis Error
Fs = 32 kHz
Fs = 44.1 kHz
Fs = 48 kHz
-
+1.5/+0
+0.05/-0.25
-0.2/-0.4
dB
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