參數(shù)資料
型號: CS42L52-DNZR
廠商: CIRRUS LOGIC INC
元件分類: 消費家電
中文描述: SPECIALTY CONSUMER CIRCUIT, QCC40
封裝: 6 X 6 MM, LEAD FREE, MO-220, QFN-40
文件頁數(shù): 11/59頁
文件大?。?/td> 1800K
代理商: CS42L52-DNZR
DS680F1
19
CS42L52
5/13/08
HEADPHONE OUTPUT POWER CHARACTERISTICS
Test conditions (unless otherwise specified): Input test signal is a full-scale 997 Hz sine wave; Sample Frequency = 48 kHz;
Measurement Bandwidth is 20 Hz to 20 kHz; Test load RL = 16 , CL = 10 pF (see Figure 2); “Required Initialization Settings”
on page 37 written on power up.
11. VHP settings lower than VA reduces the headroom of the headphone amplifier. As a result, the DAC
may not achieve the full THD+N performance at full-scale output voltage and power.
Parameters
VA = 2.5V
Min
Typ
Max
VA = 1.8V
Min
Typ
Max
Unit
AOUTx Power Into RL = 16
HP_GAIN[2:0]
Analog
Gain (G)
VHP
000
0.3959
1.8 V
-
14
-
7
-
mWrms
2.5 V
-
14
-
7
-
mWrms
001
0.4571
1.8 V
-
19
-
10
-
mWrms
2.5 V
-
19
-
10
-
mWrms
010
0.5111
1.8 V
-
23
-
12
-
mWrms
2.5 V
-
23
-
12
-
mWrms
011 (default)
0.6047
1.8 V
-17
-
mWrms
2.5 V
-
32
-
17
-
mWrms
100
0.7099
1.8 V
-23
-
mWrms
2.5 V
-
44
-
23
-
mWrms
101
0.8399
1.8 V
mWrms
2.5 V
-32
-
mWrms
110
1.0000
1.8 V
mWrms
2.5 V
mWrms
111
1.1430
1.8 V
mWrms
2.5 V
mWrms
AOUTx
AGND
R
L
C
L
0.022
F
51
Figure 2. Headphone Output Test Load
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