CS43L21 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
Manufacturer
CS43L21 Datasheet PDF : 63 Pages
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CS43L21
DC ELECTRICAL CHARACTERISTICS
(AGND = 0 V; all voltages with respect to ground.)
VQ Characteristics
Parameters
Nominal Voltage
Output Impedance
DC Current Source/Sink (Note 16)
FILT+
VSS_HP Characteristics
Nominal Voltage
DC Current Source
Power Supply Rejection Ratio (PSRR) (Note 17)
Min
Typ
Max Units
-
0.5•VA
-
V
-
23
-
kΩ
-
-
10
µA
-
VA
-
V
-
-0.8•(VA_HP)
-
V
-
10
µA
1 kHz -
60
-
dB
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
Parameters (Note 18)
Symbol
Min
Max
Input Leakage Current
Input Capacitance
Iin
-
±10
-
10
1.8 V - 3.3 V Logic
High-Level Output Voltage (IOH = -100 µA)
Low-Level Output Voltage (IOL = 100 µA)
High-Level Input Voltage
Low-Level Input Voltage
VOH
VL - 0.2
-
VOL
-
0.2
VIH
0.68•VL
-
VIL
-
0.32•VL
18. See “Digital I/O Pin Characteristics” on page 8 for serial and control port power rails.
Units
µA
pF
V
V
V
V
20
DS723A1
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