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CS43L21 数据表(PDF) 20 Page - Cirrus Logic

部件名 CS43L21
功能描述  Low Power, Stereo Digital to Analog Converter
PDF  63 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS43L21 数据表(HTML) 20 Page - Cirrus Logic

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20
DS723A1
CS43L21
DC ELECTRICAL CHARACTERISTICS
(AGND = 0 V; all voltages with respect to ground.)
16. The DC current draw represents the allowed current draw from the VQ pin due to typical leakage
through electrolytic de-coupling capacitors.
17. Valid with the recommended capacitor values on FILT+ and VQ. Increasing the capacitance will also
increase the PSRR.
DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS
18. 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 16)
-
-
-
0.5•VA
23
-
-
-
10
V
k
Ω
µA
FILT+
-VA
-
V
VSS_HP Characteristics
Nominal Voltage
DC Current Source
-
-
-0.8•(VA_HP)
-
10
V
µA
Power Supply Rejection Ratio (PSRR) (Note 17)
1 kHz
-60-
dB
Parameters (Note 18)
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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