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CS53L21 数据表(PDF) 18 Page - Cirrus Logic

部件名 CS53L21
功能描述  Low Power, Stereo Analog to Digital Converter
PDF  66 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS53L21 数据表(HTML) 18 Page - Cirrus Logic

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18
DS700PP1
CS53L21
DC ELECTRICAL CHARACTERISTICS
(AGND = 0 V; all voltages with respect to ground.)
14. The DC current draw represents the allowed current draw from the VQ pin due to typical leakage
through electrolytic de-coupling capacitors.
15. Valid with the recommended capacitor values on FILT+ and VQ. Increasing the capacitance will also
increase the PSRR.
DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS
16. See “Digital I/O Pin Characteristics” on page 8 for serial and control port power rails.
Parameters
Min
Typ
Max
Units
VQ Characteristics
Nominal Voltage
Output Impedance
DC Current Source/Sink (Note 14)
-
-
-
0.5•VA
23
-
-
-
10
V
k
Ω
μA
FILT+
-VA
-
V
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
-
-
-
-
-
-
0.8•VA
0.7•VA
0.6•VA
0.5•VA
-
50
-
-
-
-
1
-
V
V
V
V
mA
dB
Power Consumption (Normal Operation Worse Case)
1 kHz
--
30
mW
Power Supply Rejection Ratio (PSRR) (Note 15)
1 kHz
-60-
dB
Parameters (Note 16)
Symbol
Min
Max
Units
Input Leakage Current
Iin
-±10
μA
Input Capacitance
-10
pF
1.8 V - 3.3 V Logic
High-Level Output Voltage (IOH = -100 μA)
VOH
VL - 0.2
-
V
Low-Level Output Voltage (IOL = 100 μA)
VOL
-0.2
V
High-Level Input Voltage
VIH
0.68•VL
-
V
Low-Level Input Voltage
VIL
-
0.32•VL
V



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