CDB42L52 Cirrus Logic Inc, CDB42L52 Datasheet - Page 12

• Manufacturer Part Number: CDB42L52
• Description: Eval Bd LP Codec W/Class D Spkr Driver
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42L52

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS42L52
• Primary Attributes: 4 Stereo Audio Inputs, Stereo Line and Speaker Outputs, S/PDIF Inputs and Outputs
• Secondary Attributes: GUI, I2C, SPI, USB Interfaces
• Description/function: Audio CODECs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: CS42L52
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 598-1505

12
ANALOG INPUT CHARACTERISTICS (COMMERCIAL - CNZ)
Test Conditions (unless otherwise specified): Input sine wave (relative to digital full scale): 1 kHz through passive input filter; All
Supplies = VA; T
fied;
Analog In to ADC (PGA bypassed)
Dynamic Range
Total Harmonic Distortion + Noise
Analog In to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
PGA Setting: +12 dB
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
PGA Setting: +12 dB
Analog In to MIC Pre-Amp (+16 dB) to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
Analog In to MIC Pre-Amp (+32 dB) to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
Other Characteristics
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Offset Error
Input
Interchannel Isolation
HP Amp to Analog Input Isolation
(Note 3)
Speaker Amp to Analog Input Isolation
Full-scale Input Voltage
Input Impedance
“Required Initialization Settings” on page 37
3. Measured with DAC delivering full-scale output into specified load.
4. Measured between analog input and AGND.
A
(Note 4)
= +25°C; Sample Frequency = 48 kHz; Measurement Bandwidth is 20 Hz to 20 kHz unless otherwise speci-
Parameters
SDOUT Code with HPF On
PGA (+12 dB)
MIC (+16 dB)
MIC (+32 dB)
unweighted
unweighted
unweighted
unweighted
unweighted
PGA (0 dB)
A-weighted
A-weighted
A-weighted
A-weighted
A-weighted
R
R
-20 dBFS
-60 dBFS
-60 dBFS
L
L
-1 dBFS
-1 dBFS
-1 dBFS
-1 dBFS
-2 dBFS
= 10 kΩ
= 16 Ω
ADC
ADC
PGA
MIC
written on power up.
0.73•VA
0.73•VA
Min
93
90
92
89
85
82
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5/13/08
VA = 2.5V
0.769•VA
0.770•VA
0.194•VA
0.019•VA
0.115•VA
±100
Typ
352
100
-86
-76
-36
-88
-33
-85
-76
-74
0.2
99
96
96
93
91
88
86
83
76
73
90
70
60
20
39
50
0.83•VA
0.83•VA
Max
-80
-30
-82
-27
-79
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.73•VA
0.73•VA
Min
90
87
89
86
82
79
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
VA = 1.8V
0.769•VA
0.770•VA
0.194•VA
0.019•VA
0.115•VA
±100
Typ
352
100
-84
-73
-33
-86
-32
-83
-74
-71
0.2
96
93
95
92
88
85
83
80
74
71
90
70
60
20
39
50
0.83•VA
0.83•VA
Max
-78
-27
-80
-26
-77
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CS42L52
DS680F1
ppm/°C
Unit
LSB
Vpp
Vpp
Vpp
Vpp
Vpp
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
kΩ
kΩ
kΩ