CS4205-KQR Cirrus Logic Inc, CS4205-KQR Datasheet - Page 7
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CS4205-KQR
Manufacturer Part Number
CS4205-KQR
Description
Audio CODECs IC AC'97 Codec for Docking Stations
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS4205-KQZ.pdf
(81 pages)
Specifications of CS4205-KQR
Number Of Adc Inputs
8
Number Of Dac Outputs
3
Conversion Rate
48 KSPs
Interface Type
Serial (5-Wire)
Resolution
18 bit, 20 bit
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
LQFP-48
Minimum Operating Temperature
0 C
Number Of Channels
1 ADC, 1 DAC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
1. CHARACTERISTICS AND SPECIFICATIONS
ANALOG CHARACTERISTICS
AVdd = 5.0 V ±5%, DVdd = 3.3 V ±5%; 1 kHz Input Sine wave; Sample Frequency, Fs = 48 kHz; Z
1000 pF load for Mono and Line Outputs; C
18-bit linear coding for ADC functions, 20-bit linear coding for DAC functions; Mixer registers set for unity gain.
Notes: 1. Z
DS489PP4
Full Scale Input Voltage
Line Inputs
Mic Inputs
Mic Inputs
Mic Inputs
Mic Inputs
Full Scale Output Voltage
Line and Mono Outputs
Frequency Response
Analog
DAC
ADC
Dynamic Range
Stereo Analog Inputs to LINE_OUT
Mono Analog Input to LINE_OUT
DAC Dynamic Range
ADC Dynamic Range
DAC SNR
(-20 dB FS input w/ CCIR-RMS filter on output)
Total Harmonic Distortion + Noise
(-3 dB FS input signal):
Line Output
DAC
ADC
Power Supply Rejection Ratio
(1 kHz, 0.5 V
Interchannel Isolation
Spurious Tone
Input Impedance
2. Parameter definitions are given in Section 15, Parameter and Term Definitions.
3. Path refers to the signal path used to generate this data. These paths are defined in Section 15,
4. This specification is guaranteed by silicon characterization; it is not production tested.
Parameter and Term Definitions.
RMS
AL
refers to the analog output pin loading and C
w/ 5 V DC offset)
Parameter
(Note 2)
(10dB = 0, 20dB = 0)
(10dB = 1, 20dB = 0)
(10dB = 0, 20dB = 1)
(10dB = 1, 20dB = 1)
Ac = ± 0.25 dB
Ac = ± 0.25 dB
Ac = ± 0.25 dB
(all inputs)
(Note 4)
(Note 4)
(Note 4)
(Note 4)
DL
(Standard test conditions unless otherwise noted: T
= 18 pF load (Note 1); Measurement bandwidth is 20 Hz - 20 kHz,
Symbol
THD+N
SNR
DR
FR
(Note 3)
DL
Path
A-D
A-D
A-D
A-D
A-D
D-A
A-A
D-A
A-D
A-A
A-A
D-A
A-D
D-A
A-A
D-A
A-D
refers to the digital output pin loading.
0.0283
0.283
0.091
0.91
0.91
0.91
Min
20
20
20
90
85
85
85
40
70
10
-
-
-
-
-
CS4205-KQZ
0.0315
0.315
1.00
1.00
0.10
-100
Typ
1.0
-90
-87
-84
95
90
90
90
70
60
87
-
-
-
-
20,000
20,000
20,000
Max
1.13
-80
-80
-80
ambient
-
-
-
-
-
-
-
-
-
-
-
-
-
-
AL
=100 kΩ/
CS4205
= 25° C,
dB FS A
dB FS A
dB FS A
dB FS A
dB FS
dB FS
dB FS
dB FS
V
V
V
V
V
V
Unit
kΩ
Hz
Hz
Hz
dB
dB
dB
RMS
RMS
RMS
RMS
RMS
RMS
7