参数资料
型号: CS42L51-CNZR
厂商: Cirrus Logic Inc
文件页数: 17/43页
文件大小: 0K
描述: IC CODEC LOW-V 24BIT 32-QFP
标准包装: 6,000
类型: 立体声音频
数据接口: PCM 音频接口
分辨率(位): 24 b
ADC / DAC 数量: 2 / 2
三角积分调变:
动态范围,标准 ADC / DAC (db): 98 / 98
电压 - 电源,模拟: 1.8V,2.5V
电压 - 电源,数字: 1.8V,2.5V
工作温度: -10°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 32-QFP
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 管件
配用: 598-1005-ND - BOARD EVAL FOR CS42L51 CODEC
其它名称: Q3956082
24
DS679F1
CS42L51
DC ELECTRICAL CHARACTERISTICS
(AGND = 0 V; all voltages with respect to ground.)
22. The DC current draw represents the allowed current draw from the VQ pin due to typical leakage
through electrolytic de-coupling capacitors.
23. Valid with the recommended capacitor values on DAC_FILT+, ADC_FILT+ and VQ. Increasing the ca-
pacitance will also increase the PSRR.
DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS
24. See “Digital I/O Pin Characteristics” on page 9 for serial and control port power rails.
Parameters
Min
Typ
Max
Units
VQ Characteristics
Nominal Voltage
Output Impedance
DC Current Source/Sink (Note 22)
-
0.5VA
23
-
10
V
k
A
DAC_FILT+ Nominal Voltage
ADC_FILT+ Nominal Voltage
-
VA
-
V
VSS_HP Characteristics
Nominal Voltage
DC Current Source
-
-0.8(VA_HP)
-
10
V
A
MIC BIAS Characteristics
Nominal Voltage
MICBIAS_LVL[1:0] = 00
MICBIAS_LVL[1:0] = 01
MICBIAS_LVL[1:0] = 10
MICBIAS_LVL[1:0] = 11
DC Current Source
Power Supply Rejection Ratio (PSRR)
1 kHz
-
0.8VA
0.7VA
0.6VA
0.5VA
-
50
-
1
-
V
mA
dB
Power Supply Rejection Ratio (PSRR) (Note 23)
1 kHz
-60-
dB
Parameters (Note 24)
Symbol
Min
Max
Units
Input Leakage Current
Iin
-±10
A
Input Capacitance
-10
pF
1.8 V - 3.3 V Logic
High-Level Output Voltage (IOH = -100 A)
VOH
VL - 0.2
-
V
Low-Level Output Voltage (IOL = 100 A)
VOL
-0.2
V
High-Level Input Voltage
VIH
0.68VL
-
V
Low-Level Input Voltage
VIL
-
0.32VL
V
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