18
DS792F2
CS43L22
Confidential Draft
3/4/10
DC ELECTRICAL CHARACTERISTICS
AGND = 0 V; all voltages with respect to ground.
14. Valid with the recommended capacitor values on FILT+ and VQ. Increasing the capacitance will also
increase the PSRR.
DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS
15. See “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
-
0.5VA
23
-
1
V
k
Ω
μA
Power Supply Rejection Ratio Characteristics
PSRR @ 1 kHz (Note 14)
DAC (HP & Line Amps)
-
60
-
dB
PSRR @ 60 Hz (Note 14)
DAC (HP & Line Amps)
-
60
-
dB
PSRR @ 217 Hz
Full-Bridge PWM Outputs
-
56
-
dB
Parameters (Note 15)
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
VL = 1.65 V
VL = 1.8 V
VL = 2.0 V
VL > 2.0 V
VIH
0.85VL
0.77VL
0.68VL
0.65VL
-
V
Low-Level Input Voltage
VIL
-
0.30VL
V
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