CS42L51
DC ELECTRICAL CHARACTERISTICS
(AGND = 0 V; all voltages with respect to ground.)
Parameters
Min
Typ
Max Units
VQ Characteristics
Nominal Voltage
Output Impedance
DC Current Source/Sink (Note 21)
-
-
-
0.5•VA
23
-
-
-
10
V
kΩ
µA
DAC_FILT+ Nominal Voltage
-
-
VA
VA
-
-
V
V
ADC_FILT+ Nominal Voltage
VSS_HP Characteristics
Nominal Voltage
DC Current Source
-
-
-0.8•(VA_HP)
-
10
V
µA
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
-
-
-
-
-
-
0.8•VA
0.7•VA
0.6•VA
0.5•VA
-
-
-
-
-
1
-
V
V
V
V
mA
dB
DC Current Source
Power Supply Rejection Ratio (PSRR)
1 kHz
1 kHz
50
Power Supply Rejection Ratio (PSRR) (Note 22)
-
60
-
dB
Notes:
21. The DC current draw represents the allowed current draw from the VQ pin due to typical leakage
through electrolytic de-coupling capacitors.
22. 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
Parameters (Note 23)
Symbol
Min
Max
±10
10
Units
µA
Input Leakage Current
Input Capacitance
1.8 V - 3.3 V Logic
Iin
-
-
pF
High-Level Output Voltage (IOH = -100 µA)
Low-Level Output Voltage (IOL = 100 µA)
High-Level Input Voltage
VOH
VOL
VIH
VIL
VL - 0.2
-
0.2
V
V
V
V
-
0.65•VL
-
-
Low-Level Input Voltage
0.35•VL
23. See “Digital I/O Pin Characteristics” on page 9 for serial and control port power rails.
24
DS679A2
CIRRUS [ CIRRUS LOGIC ]
