CDB42L55 Cirrus Logic Inc, CDB42L55 Datasheet - Page 16

• Manufacturer Part Number: CDB42L55
• Description: Eval Bd Ultra Low Power Stereo Codec
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42L55

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS42L55
• Primary Attributes: 2 Stereo Analog Inputs, Stereo Line and Headphone Outputs, S/PDIF Transmitter and Receiver
• Secondary Attributes: GUI, USB, RS232, I2C Interfaces, USB or External or Battery Power Supply
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 598-1506; CDB-42L55

16
ANALOG PASSTHROUGH CHARACTERISTICS
Test Conditions (unless otherwise specified): Connections to the CS42L55 are shown in the
page
plies = VA, VCP Mode; GND = AGND = 0 V; T
48 kHz.
COMBINED DAC INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE
Notes:
Parameter
Analog In to HP Amp (ADC is powered down)
R
Dynamic Range
Total Harmonic Distortion + Noise
Full-scale Input Voltage
Full-scale Output Voltage
Passband Ripple
R
Dynamic Range
Total Harmonic Distortion + Noise
Full-scale Input Voltage
Output Power
Passband Ripple
Analog In to Line Amp (ADC is powered down)
R
Dynamic Range
Total Harmonic Distortion + Noise
Full-scale Input Voltage
Full-scale Output Voltage
Passband Ripple
Frequency Response 20 Hz to 20 kHz
Passband
Stopband
Stopband Attenuation
Total Group Delay
De-emphasis Error
L
L
L
= 3 kΩ (+2 dB Output Analog
= 16 Ω (-4 dB Output Analog
= 3 kΩ (+2 dB Output Analog Gain)
10; Input is a 1 kHz sine wave through the passive input filter shown in
15. Response is clock dependent and will scale with Fs. Note that the response plots
16. Measurement bandwidth is from Stopband to 3 Fs.
page
(Note 13)
70) have been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.
(Note 16)
Parameter
Gain)(Note 12)
Gain)(Note 12)
unweighted
unweighted
unweighted
A-weighted
A-weighted
A-weighted
(Note 12)
(Note 15)
-20 dB
-60 dB
-20 dB
-60 dB
-20 dB
-60 dB
-1 dB
-1 dB
-1 dB
A
= +25 °C; Measurement bandwidth is 20 Hz to 20 kHz. Sample Frequency =
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
VA = 2.5 V
to -0.05 dB corner
Fs = 48.000 kHz
Fs = 44.118 kHz
0.80•VA
0.93•VA
0.80•VA
0.80•VA
0.89•VA
Fs = 44.118 kHz
0/-0.3
0/-0.3
0/-0.3
to -3 dB corner
Typ
-70
-71
-31
-70
-71
-31
-70
-71
-31
94
91
94
91
12
94
91
Figure
Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-0.04
-0.14
1, PGA and HP/Line gain = 0 dB; All Sup-
Min
0.55
49
-
-
-
-
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
“Typical Connection Diagram” on
VA = 1.8 V
Typ
0.48
0.49
9/Fs
0.80•VA
0.93•VA
0.80•VA
0.80•VA
0.89•VA
-
-
-
-
-
0/-0.3
0/-0.3
0/-0.3
Typ
-80
-68
-28
-80
-68
-28
-80
-68
-28
6.5
91
88
91
88
91
88
(Figures 31
+0.05/-0.25
Max
+0.04
+0.14
Max
CS42L55
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DS773F1
to
Unit
Vpp
Vpp
Vpp
mW
Vpp
Vpp
34 on
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Unit
dB
dB
Fs
dB
dB
Fs
Fs
s