參數(shù)資料
型號: CS42L52-DNZR
廠商: CIRRUS LOGIC INC
元件分類: 消費家電
中文描述: SPECIALTY CONSUMER CIRCUIT, QCC40
封裝: 6 X 6 MM, LEAD FREE, MO-220, QFN-40
文件頁數(shù): 16/59頁
文件大?。?/td> 1800K
代理商: CS42L52-DNZR
DS680F1
23
CS42L52
5/13/08
DC ELECTRICAL CHARACTERISTICS
AGND = 0 V; All voltages with respect to ground.
17. Valid with the recommended capacitor values on FILT+ and VQ. Increasing the capacitance will also
increase the PSRR.
18. The PGA is biased with VQ, created from a resistor divider from the VA supply. Increasing the capaci-
tance on VQ will also increase the PSRR at low frequencies. A 10 F capacitor on VQ improves the
PSRR to 42 dB.
DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS
19. See “I/O Pin Characteristics” on page 9 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
A
MIC BIAS Characteristics
Nominal Voltage
BIASLVL[2:0] = 000
BIASLVL[2:0] = 001
BIASLVL[2:0] = 010
BIASLVL[2:0] = 011
BIASLVL[2:0] = 100
BIASLVL[2:0] = 101
DC Output Current
Power Supply Rejection Ratio (PSRR)
1 kHz
-
0.5VA
0.6VA
0.7VA
0.8VA
0.83VA
0.91VA
-
50
-
1
-
V
mA
dB
Power Supply Rejection Ratio Characteristics
PSRR @1 kHz (Note 17)
PGA to ADC
ADC
DAC (HP & Line Amps)
-
44
60
-
dB
PSRR @60 Hz (Note 17)
ADC
DAC (HP & Line Amps)
-
22
42
60
-
dB
PSRR @217 Hz
Full-Bridge PWM Outputs
-
56
-
dB
Parameters (Note 19)
Symbol
Min
Max
Units
Input Leakage Current
Iin
-±10
A
Input Capacitance
-10
pF
1.8 V - 3.3 V Logic
High-Level Output Voltage (IOH = -100 A)
VOH
VL - 0.2
-
V
Low-Level Output Voltage (IOL = 100 A)
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
0.76VL
0.68VL
0.65VL
-
V
Low-Level Input Voltage
VIL
-0.30VL
V
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