CDB53L21 Cirrus Logic Inc, CDB53L21 Datasheet - Page 18

• Manufacturer Part Number: CDB53L21
• Description: BOARD EVAL FOR CS53L21 ADC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB53L21

• Number Of Adc's: 2
• Number Of Bits: 24
• Sampling Rate (per Second): 96k
• Data Interface: Serial
• Inputs Per Adc: 3 Single Ended
• Input Range: ±2.5 V
• Power (typ) @ Conditions: 22.45mW @ 48kSPS, 2.5 V
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -10°C ~ 70°C
• Utilized Ic / Part: CS53L21
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1550

18
DC ELECTRICAL CHARACTERISTICS
(AGND = 0 V; all voltages with respect to ground.)
DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS
VQ Characteristics
Nominal Voltage
Output Impedance
DC Current Source/Sink
FILT+
MIC BIAS Characteristics
Nominal Voltage
DC Current Source
Power Supply Rejection Ratio (PSRR)
Power Consumption (Normal Operation Worse Case)
Power Supply Rejection Ratio (PSRR)
Input Leakage Current
Input Capacitance
1.8 V - 3.3 V Logic
High-Level Output Voltage
Low-Level Output Voltage
High-Level Input Voltage
Low-Level Input Voltage
14. The DC current draw represents the allowed current draw from the VQ pin due to typical leakage
15. Valid with the recommended capacitor values on FILT+ and VQ. Increasing the capacitance will also
16. See
through electrolytic de-coupling capacitors.
increase the PSRR.
“Digital I/O Pin Characteristics” on page 8
Parameters
(Note 14)
(I
(I
OL
OH
= 100 μA)
= -100 μA)
Parameters
(Note 16)
(Note 15)
MICBIAS_LVL[1:0] = 00
MICBIAS_LVL[1:0] = 01
MICBIAS_LVL[1:0] = 10
MICBIAS_LVL[1:0] = 11
for serial and control port power rails.
1 kHz
1 kHz
1 kHz
Symbol
V
V
V
V
I
OH
in
OL
IH
IL
Min
-
-
-
-
-
-
-
-
-
-
-
-
VL - 0.2
0.68•VL
Min
-
-
-
-
0.5•VA
0.8•VA
0.7•VA
0.6•VA
0.5•VA
Typ
VA
23
50
60
-
-
-
0.32•VL
Max
±10
0.2
10
-
-
Max
CS53L21
10
30
1
-
-
-
-
-
-
-
-
-
DS700PP1
Units
μA
Units
pF
V
V
V
V
mW
mA
kΩ
μA
dB
dB
V
V
V
V
V
V