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参数资料
型号： CDB42L51
厂商： Cirrus Logic Inc
文件页数： 11/43页
文件大小： 0K
描述： BOARD EVAL FOR CS42L51 CODEC
标准包装： 1
主要目的： 音频编解码器
嵌入式： 是，其它
已用 IC / 零件： CS42L51，CS8406，CS8415
主要属性： 立体声数字音频发射器和接收器
次要属性： 图形用户界面，S/PDIF 接口
已供物品： 板，CD
相关产品： CS42L51-DNZR-ND - IC CODEC STEREO W/HDPN AMP 32QFN
598-1627-ND - IC CODEC STEREO W/HDPN AMP 32QFN
CS42L51-CNZR-ND - IC CODEC LOW-V 24BIT 32-QFP
598-1045-ND - IC CODEC STEREO W/HDPN AMP 32QFN
其它名称： 598-1005
DS679F1
19
CS42L51
HEADPHONE OUTPUT POWER CHARACTERISTICS
Test conditions (unless otherwise specified): Input test signal is a full-scale 997 Hz sine wave; measurement band-
width is 10 Hz to 20 kHz; Sample Frequency = 48 kHz; test load RL = 16 , CL = 10 pF (see Figure 3).
8.
One-half LSB of triangular PDF dither is added to data.
9.
Full-scale output voltage and power is determined by the gain setting, G, in register “Headphone Analog
Gain (HP_GAIN[2:0])” on page 57. High gain settings at certain VA and VA_HP supply levels may
cause clipping when the audio signal approaches full-scale, maximum power output, as shown in
Figures 27 - 30 on page 76.
10. See Figure 3. RL and CL reflect the recommended minimum resistance and maximum capacitance re-
quired for the internal op-amp's stability and signal integrity. In this circuit topology, CL will effectively
move the band-limiting pole of the amp in the output stage. Increasing this value beyond the recom-
mended 150 pF can cause the internal op-amp to become unstable.
11. VA_HP 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.
Parameter
VA = 2.5V (nominal)
Min
Typ
Max
VA = 1.8V (nominal)
Min
Typ
Max
Unit
AOUTx Power Into RL = 16
HP_GAIN[2:0]
Analog
Gain (G)
VA_HP
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
(Note 11)
-17
-
mWrms
2.5 V
-
32
-
17
-
mWrms
100
0.7099
1.8 V
(Note 11)
-23
-
mWrms
2.5 V
-
44
-
23
-
mWrms
101
0.8399
1.8 V
(Note 9)
mWrms
2.5 V
-32
-
mWrms
110
1.0000
1.8 V
(Note 9, 11)
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 3. Headphone Output Test Load
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相关代理商/技术参数
参数描述
CDB42L51/FAE 制造商:Cirrus Logic 功能描述:EVAL BOARD FOR THE CS42L51 PORTABLE STEREO CODEC - Bulk
CDB42L52 功能描述:音频 IC 开发工具 Eval Bd LP CODEC w/classD Spkr Driver RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
CDB42L52/FAE 制造商:Cirrus Logic 功能描述:EVAL BD LOW-VOLTAGE STEREO CODEC - Bulk
CDB42L55 功能描述:音频 IC 开发工具 Eval Bd Ultra Low PWR Stereo Codec RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
CDB42L56 功能描述:音频 IC 开发工具 Eval Bd 24Bit Ultra LP Ster CD w/clH HP RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
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