参数资料
型号: CS42L55-CNZR
厂商: Cirrus Logic Inc
文件页数: 7/68页
文件大小: 0K
描述: IC CODEC STER H-HDPN AMP 36-QFN
标准包装: 6,000
类型: 立体声音频
数据接口: 串行
分辨率(位): 24 b
ADC / DAC 数量: 1 / 1
三角积分调变:
动态范围,标准 ADC / DAC (db): 95 / 99
电压 - 电源,模拟: 1.65 V ~ 2.71 V
电压 - 电源,数字: 1.65 V ~ 2.71 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 36-QFN
供应商设备封装: 36-QFN-EP(5x5)
包装: 带卷 (TR)
配用: 598-1506-ND - BOARD EVAL FOR CS42L55 CODEC
DS773F1
15
CS42L55
LINE OUTPUT CHARACTERISTICS
Test conditions (unless otherwise specified): Connections to the CS42L55 are shown in the “Typical Connection Diagram” on
page 10; Input test signal is a full-scale 997 Hz sine wave; All Supplies = VA, VCP Mode; GND = AGND = 0 V; TA = +25 °C;
Measurement bandwidth is 20 Hz to 20 kHz; Sample Frequency = 48 kHz; Test load RL = 3 kΩ, CL = 150 pF (see Figure 3 on
Notes:
11. One-half LSB of triangular PDF dither is added to data.
page 58) must be configured as indicated to achieve the specified output characteristics. High gain set-
tings at certain VA and VCP supply levels may cause clipping when the audio signal approaches full-
scale, maximum power output.
13. VCP settings lower than VA reduces the headroom of the headphone amplifier. As a result, the speci-
fied THD+N performance at full-scale output voltage and power may not be achieved.
VA = 2.5 V
VA = 1.8 V
Parameter (Note 11)
Min
Typ
Max
Min
Typ
Max
Unit
(+2 dB Analog Gain) (Note 12)
Dynamic Range
18 to 24-Bit
A-weighted
unweighted
16-Bit
A-weighted
unweighted
93
90
-
99
96
93
-
91
88
-
97
94
91
-
dB
Total Harmonic Distortion + Noise
18 to 24-Bit
0 dB
-20 dB
-60 dB
16-Bit
0 dB
-20 dB
-60 dB
-
-84
-76
-36
-82
-74
-34
-78
-
-30
-
-86
-74
-34
-84
-72
-32
-80
-
-28
-
dB
Full-scale Output Voltage (Note 13)
1.50VA
1.58VA
1.66VA 1.50VA 1.58VA 1.66VA
VPP
Other Characteristics
Interchannel Isolation
-90
-
90
-
dB
Interchannel Gain Mismatch
-
0.1
0.25
-
0.1
0.25
dB
Output Offset Voltage (Note 14)
DAC to LINEOUT
-0.5
1.0
-
0.2
1.0
mV
Gain Drift
-
±100
-
±100
-
ppm/°C
Output Impedance
-
100
-
100
-
Ω
AC-Load Resistance (RL)
3-
-
3
-
k
Ω
Load Capacitance (CL)
-
150
-
150
pF
T est Load
LIN E O U Tx
GND/AGND
C L=150 pF
LINE RE F
R L=3 k
Ω
M easurem ent
Device
-
+
Test Load
HPOUTx
GND/AGND
CL=150 pF
0.1
μF
33
Ω
HPREF
RL=16
Ω or
3 k
Ω
Measurement
Device
-
+
Figure 3. HP Output Test Configuration
Figure 4. Line Output Test Configuration
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