CDB-43L21 Cirrus Logic Inc, CDB-43L21 Datasheet - Page 20

• Manufacturer Part Number: CDB-43L21
• Description: EVAL BOARD FOR CS43L21
• Manufacturer: Cirrus Logic Inc

Specifications of CDB-43L21

• Number Of Dac's: 2
• Number Of Bits: 24
• Outputs And Type: 2, Single Ended
• Sampling Rate (per Second): 96k
• Data Interface: I²C, SPI™
• Dac Type: Voltage
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -10°C ~ 70°C
• Utilized Ic / Part: CS43L21
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 598-1282; CDB-43L21

20
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+
VSS_HP Characteristics
Nominal Voltage
DC Current Source
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
16. The DC current draw represents the allowed current draw from the VQ pin due to typical leakage
17. Valid with the recommended capacitor values on FILT+ and VQ. Increasing the capacitance will also
18. See
through electrolytic de-coupling capacitors.
increase the PSRR.
“Digital I/O Pin Characteristics” on page 8
Parameters
(Note 16)
(I
(I
OL
OH
= 100 µA)
= -100 µA)
Parameters
(Note 18)
(Note 17)
for serial and control port power rails.
1 kHz
Symbol
V
V
V
V
I
OH
in
OL
IH
IL
Min
-
-
-
-
-
-
-
VL - 0.2
0.68•VL
Min
-0.8•(VA_HP)
-
-
-
-
0.5•VA
Typ
VA
23
60
-
0.32•VL
Max
±10
0.2
10
-
-
Max
CS43L21
10
10
-
-
-
-
-
DS723A1
Units
µA
Units
pF
V
V
V
V
kΩ
µA
µA
dB
V
V
V