CDB42L55 Cirrus Logic Inc, CDB42L55 Datasheet - Page 14

• 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

14
HP OUTPUT CHARACTERISTICS
Test conditions (unless otherwise specified): Connections to the CS42L55 are shown in the
page
Measurement bandwidth is 20 Hz to 20 kHz; Sample Frequency = 48 kHz; Test load R
and test load R
Parameter
Line Load R
Dynamic Range
18 to 24-Bit
16-Bit
Total Harmonic Distortion + Noise
18 to 24-Bit
16-Bit
Full-scale Output Voltage
HP Load R
Dynamic Range
18 to 24-Bit
16-Bit
Total Harmonic Distortion + Noise
Full-scale Output Voltage
Output Power
Other Characteristics for R
Interchannel Isolation
Interchannel Gain Mismatch
Output Offset Voltage
Gain Drift
AC-Load Resistance (R
Load Capacitance (C
10; Input test signal is a full-scale 997 Hz sine wave; All Supplies = VA, VCP Mode; GND = AGND = 0 V; T
L
(Note 11)
L
= 16 Ω (-4 dB Analog
L
(Note 13)
= 3 kΩ (+2 dB Analog
= 16 Ω, C
L
(Note 14)
)
L
)
L
(Note 13)
= 150 pF for a headphone load. (See
L
= 16
Ω
Gain)(Note 12)
Gain)(Note 12)
or 3 k
DAC to HPOUT
unweighted
unweighted
unweighted
unweighted
A-weighted
A-weighted
A-weighted
A-weighted
Ω
(Note 14)
(Note 14)
-20 dB
-60 dB
-20 dB
-60 dB
3 kΩ
16 Ω
0 dB
0 dB
1.56•VA
0.76•VA
Min
92
89
89
86
16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
VA = 2.5 V
Figure 3 on page
1.64•VA
0.82•VA
±100
Typ
-84
-76
-36
-82
-74
-34
-75
0.1
0.5
98
95
96
93
95
92
93
90
32
90
90
-
-
1.73•VA 1.56•VA 1.64•VA 1.73•VA
0.88•VA 0.76•VA 0.82•VA 0.88•VA
Max
0.25
150
-78
-30
-69
1.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
15).
L
= 3 kΩ, C
Min
90
87
88
85
16
“Typical Connection Diagram” on
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
VA = 1.8 V
L
= 150 pF for a Line Load,
±100
Typ
-85
-74
-34
-83
-72
-32
-75
0.1
0.5
96
93
94
91
94
91
92
89
17
90
90
-
-
Max
0.25
150
-79
-28
-69
1.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CS42L55
A
= +25°C;
DS773F1
ppm/°C
Unit
V
V
mW
mV
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
pF
Ω
PP
PP