参数资料
型号: CS42L55-CNZR
厂商: Cirrus Logic Inc
文件页数: 4/68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
12
DS773F1
CS42L55
ANALOG INPUT CHARACTERISTICS
Test Conditions (unless otherwise specified): Connections to the CS42L55 are shown in the Figure 1. "Typical Connection Dia-
gram" on page 10; Input is a 1 kHz sine wave through the passive input filter, PGA = 0 dB; All Supplies = VA;
GND = AGND = 0 V; TA =+25°C; Measurement bandwidth is 20 Hz to 20 kHz. Sample Frequency = 48 kHz.
4.
Referred to the typical full-scale voltage. Applies to all THD+N and Dynamic Range values in the table.
5.
See test figure shown below.
6.
SDOUT Code with HPFx=1;HPFRZx=0.
7.
Measured between AINxx and AGND.
VA = 2.5 V
VA = 1.8 V
Parameter (Note 4)
Min
Typ
Max
Min
Typ
Max
Unit
Analog In to ADC (PGA bypassed)
Dynamic Range
A-weighted
unweighted
89
86
95
92
-
86
83
92
89
-
dB
Total Harmonic Distortion + Noise
-1 dBFS
-20 dBFS
-60 dBFS
-
-85
-72
-32
-79
-
-26
-
-85
-69
-29
-79
-
-23
dB
Analog In to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
A-weighted
unweighted
88
85
94
91
-
85
82
91
88
-
dB
PGA Setting: +12 dB
A-weighted
unweighted
81
78
87
84
-
78
75
84
81
-
dB
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
-1 dBFS
-60 dBFS
-
-87
-31
-81
-25
-
-85
-28
-79
-22
dB
PGA Setting: +12 dB
-1 dBFS
-
-83
-77
-
-81
-75
dB
Common Mode Rejection (Note 5)
-40
-
40
-
dB
DC Accuracy
Interchannel Gain Mismatch
-
0.2
-
0.2
-
dB
Gain Drift
-
±100
-
±100
-
ppm/°C
Offset Error
-
352
-
352
-
LSB
Input
Interchannel Isolation (1 kHz)
-90
-
90
-
dB
HP Amp to Analog Input Isolation
RL = 10 kΩ
RL = 16 Ω
-
90
83
-
90
83
-
dB
Full-scale Input Voltage
ADC
PGA (0 dB)
PGA (+12 dB)
0.76VA
0.78VA
0.80VA
0.82VA
0.198VA
0.84VA
0.86VA
0.76VA
0.78VA
0.80VA
0.82VA
0.198VA
0.84VA
0.86VA
Vpp
Input Impedance (Note 7)
ADC
PGA
-
60
40
-
60
40
-
k
Ω
k
Ω
100 mVPP,
25 Hz
100
Ω
1
μF
AINxA
AINxREF
Figure 2. CMRR Test Configuration
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