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CS4237B Datasheet, PDF (3/114 Pages) Cirrus Logic – CrystalClear Advanced Audio System with 3D Sound
CS4237B
ANALOG CHARACTERISTICS TA = 25 °C; VA, VD1, VDF1-VDF4 = +5V
Input Levels: Logic 0 = 0V, Logic 1 = VD1; 1 kHz Input Sine wave; Sample Frequency, Fs = 44.1 kHz;
Measurement Bandwidth is 20 Hz to 20 kHz - unweighted, 16-bit linear coding.)
CS4237B-JQ
CS4237B-KQ
Parameter*
Symbol Min Typ Max Min Typ Max Units
Analog Input Characteristics - Minimum Gain Setting (0dB); unless otherwise specified.
ADC Resolution
(Note 1)
16
-
-
16
-
-
Bits
ADC Differential Nonlinearity
(Note 1)
-
- ±0.5 -
- ±0.5 LSB
Instantaneous Dynamic Range Line Inputs IDR
-
80
-
80 85
-
dB
(Note 2) Mic Inputs
-
75
-
72 79
-
dB
Total Harmonic Distortion
Line Inputs THD
Mic Inputs
- 0.05 -
- 0.05 -
- 0.006 0.02 %
- 0.01 0.025 %
Interchannel Isolation
Line to Line Inputs
Line to Mic Inputs
Line-to-AUX1
Line-to-AUX2
-
80
-
-
80
-
-
90
-
-
90
-
-
80
-
dB
-
80
-
dB
-
90
-
dB
-
90
-
dB
Interchannel Gain Mismatch
Programmable Input Gain Span
Line Inputs
Mic Inputs
Line Inputs
-
- ±0.5 -
- ±0.5 dB
-
- ±0.5 -
- ±0.5 dB
21.5 22.5 - 21.5 22.5 -
dB
Gain Step Size
1.3 1.5 1.7 1.3 1.5 1.7 dB
ADC Offset Error
0 dB Gain
Full Scale Input Voltage: (MGE=1) MIC Inputs
(MGE=0) MIC Inputs
LINE, AUX1, AUX2, MIN Inputs
Gain Drift
Input Resistance
(Note 1) Mic Inputs
Other Inputs
-
-
-
- ±10 ±100 LSB
0.26 0.28 - 0.26 0.28 -
Vpp
2.6 2.8
-
2.6 2.8
-
Vpp
2.6 2.8
-
2.6 2.8
-
Vpp
- ±100 -
- ±100 - ppm/°C
8
11
-
8 11
-
kΩ
20 23
-
20 23
-
kΩ
Input Capacitance
(Note 1)
-
-
15
-
Notes: 1. This specification is guaranteed by characterization, no production testing.
2. MGE = 1 (see WSS Indirect Reg I0, I1).
-
15 pF
*Parameter definitions are given at the end of this data sheet.
Specifications are subject to change without notice.
DS213PP4
3