CS4245-CQZ Cirrus Logic Inc, CS4245-CQZ Datasheet - Page 20

• Manufacturer Part Number: CS4245-CQZ
• Description: IC CODEC AUD STER 104DB 48LQFP
• Manufacturer: Cirrus Logic Inc
• Type: Stereo Audior

Specifications of CS4245-CQZ

• Package / Case: 48-LQFP
• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 104 / 104
• Voltage - Supply, Analog: 3.13 V ~ 5.25 V
• Voltage - Supply, Digital: 3.13 V ~ 5.25 V
• Operating Temperature: -10°C ~ 70°C
• Mounting Type: Surface Mount
• Number Of Adc Inputs: 12
• Number Of Dac Outputs: 4
• Conversion Rate: 192 KSPS
• Interface Type: Serial (I2C, SPI)
• Resolution: 24 bit
• Operating Supply Voltage: 3.3 V, 5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 10 C
• Number Of Channels: 2 ADC/2 DAC
• Thd Plus Noise: - 95 dB ADC / - 90 dB DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1501 - BOARD EVAL FOR CS4245 CODEC
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1034

20
DC ELECTRICAL CHARACTERISTICS
AGND = DGND = 0 V, all voltages with respect to ground. MCLK=12.288 MHz; Fs=48 kHz; Master Mode.
Power Supply Current
(Normal Operation)
Power Supply Current
(Power-Down Mode)
Power Consumption
(Normal Operation)
(Power-Down Mode)
Power Supply Rejection Ratio (1 kHz)
VQ Characteristics
Quiescent Voltage 1
DC Current from VQ1
VQ1 Output Impedance
Quiescent Voltage 2
DC Current from VQ2
VQ2 Output Impedance
FILT1+ Nominal Voltage
FILT2+ Nominal Voltage
Microphone Bias Voltage
Current from MICBIAS
23. Power-Down Mode is defines as RESET = Low with all clock and data lines held static and no analog
24. Valid with the recommended capacitor values on FILT1+, FILT2+, VQ1 and VQ2 as shown in the Typ-
25. Guaranteed by design. The DC current draw represents the allowed current draw due to typical leakage
input.
ical Connection Diagram.
through the electrolytic de-coupling capacitors.
(Note 23)
Parameter
VA, VD, VLS, VLC = 3.3 V
VA, VD, VLS, VLC = 5 V
VA, VD, VLS, VLC = 5 V
VD, VLS, VLC = 3.3 V
VD, VLS, VLC = 5 V
VLS, VLC, VD=5 V
VA = 3.3 V
(Note 24)
(Note 25)
(Note 25)
VA = 5 V
VA = 5 V
Symbol
MICBIAS
FILT1+
FILT2+
PSRR
VQ1
VQ2
Z
Z
I
I
I
MB
I
I
I
I
I
I
Q1
Q2
Q1
Q2
A
A
D
D
A
D
-
-
-
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.5 x VA
0.5 x VA
0.8 x VA
Typ
0.50
0.54
400
198
4.2
4.5
VA
VA
41
37
39
23
55
23
-
-
-
Max
485
241
50
45
47
28
1
1
2
-
-
-
-
-
-
-
-
-
-
-
CS4245
DS656F2
Unit
VDC
VDC
VDC
VDC
VDC
mW
mW
mW
mA
mA
mA
mA
mA
mA
mA
dB
μA
kΩ
μA
kΩ