CS4245-CQZ Cirrus Logic Inc, CS4245-CQZ Datasheet - Page 54

• 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

54
9. ADC FILTER PLOTS
Figure 35. ADC Single-Speed Transition Band (Detail)
Figure 37. ADC Double-Speed Stopband Rejection
Figure 33. ADC Single-Speed Stopband Rejection
-100
-120
-130
-140
-10
-100
-120
-130
-140
-110
-110
-20
-30
-40
-60
-80
-90
-2
-3
-4
-6
-8
-9
-20
-30
-40
-60
-80
-90
-50
-70
-5
-7
-50
-70
-10
-1
-10
0
0.45
0
0
0.0
0.0
0.46 0.47
0.1
0.1
Frequency (norm alized to Fs)
Frequency (norm alized to Fs)
Frequency (norm alized to Fs)
0.2
0.2
0.48
0.3
0.3
0.49
0.4
0.4
0.5
0.5
0.5
0.51
0.6
0.6
0.52
0.7
0.7
0.53
0.8
0.8
0.54
0.9
0.9
0.55
1.0
1.0
Figure 38. ADC Double-Speed Stopband Rejection
Figure 34. ADC Single-Speed Stopband Rejection
Figure 36. ADC Single-Speed Passband Ripple
-100
-120
-130
-140
-0.02
-0.04
-0.06
-0.08
-100
-120
-130
-140
-110
-0.10
-110
-20
-30
-40
-60
-80
-90
0.08
0.06
0.04
0.02
0.00
-20
-30
-40
-60
-80
-90
-50
-70
-50
-70
-10
0.10
-10
0
0
0.40 0.42 0.44
0.40 0.42 0.44
0
0.05
Frequency (norm alized to Fs)
Frequency (norm alized to Fs)
Frequency (norm alized to Fs)
0.1
0.46 0.48 0.50
0.46 0.48 0.50
0.15
0.2
0.25
0.52
0.52
0.3
0.54
0.54
0.35
0.56
0.56
0.4
CS4245
0.58
0.45
0.58
DS656F2
0.60
0.60
0.5