CS42438-CMZ Cirrus Logic Inc, CS42438-CMZ Datasheet - Page 28

• Manufacturer Part Number: CS42438-CMZ
• Description: IC CODEC 108DB 192KHZ 52-MQFP
• Manufacturer: Cirrus Logic Inc
• Type: Audio Codecr

Specifications of CS42438-CMZ

• Package / Case: 52-MQFP, 52-PQFP
• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 6 / 8
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 105 / 108 (Differential), 102 / 105 (Single-Ended)
• Voltage - Supply, Analog: 3.14 V ~ 5.25 V
• Voltage - Supply, Digital: 3.14 V ~ 3.47 V
• Operating Temperature: -55°C ~ 150°C
• Mounting Type: Surface Mount
• Number Of Adc Inputs: 6
• Number Of Dac Outputs: 8
• Conversion Rate: 192 KSPS
• Interface Type: Serial (I2S, SPI)
• Resolution: 24 bit
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 10 C
• Number Of Channels: 6 ADC/8 DAC
• Thd Plus Noise: - 98 dB ADC / - 98 dB DAC, - 95 dB ADC / - 95 dB DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1500 - BOARD EVAL FOR CS42438 CODEC
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1032

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5.2.2
ADC3 Analog Input
ADC3 accommodates differential as well as single-ended inputs. In Single-Ended Mode, an internal MUX
selects from up to four single-ended inputs.
3.9 V
1.1 V
3.9 V
1.1 V
AIN6B
AIN5B
AIN6A
AIN5A
2.5 V
2.5 V
AIN5+/-
AIN6+/-
Single-Ended Input Filter
Single-Ended Input Filter
(AINx+) - (AINx-) = 5.6 V
Single-Ended Input Filter
Single-Ended Input Filter
Full-Scale Differential Input Level =
Figure 10. ADC3 Input Topology
Differential
Input Filter
Differential
Input Filter
Figure 9. Full-Scale Input
PP
= 1.98 V
50
49
52
51
RMS
1
0
1
0
VQ
VQ
AIN5_MUX
AIN6_MUX
AINx-
AINx+
ADC3
1
0
0
1
1
0
0
1
ADC3 SINGLE
+
+
-
-
AIN5
AIN6
VA
5.0 V
CS42438
DS646F2