CS4231A-KL datasheet(3/76 Pages) ETC

Nome de Peças	CS4231A-KL

Descrição Electrónicos	PARALLEL INTERFACE MULTIMEDIA AUDIO CODEC

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ANALOG CHARACTERISTICS (TA = 25 °C; VA1, VA2, VD1-VD4 = +5V;

Input Levels: Logic 0 = 0V, Logic 1 = VD1-VD4; 1 kHz Input Sine wave; Conversion Rate = 48 kHz;

Measurement Bandwidth is 10 Hz to 20 kHz, 16-bit linear coding.)

Parameter*

Symbol

Min

Typ

Max

Units

Analog Input Characteristics - Minimum Gain Setting (0dB); unless otherwise specified.

ADC Resolution

(Note 1)

16

Bits

ADC Differential Nonlinearity

(Note 1)

±0.5

LSB

Instantaneous Dynamic Range

Line Inputs

(Note 2) Mic Inputs

IDR

80

72

85

77

dB

Total Harmonic Distortion

Line Inputs

Mic Inputs

THD

0.006

0.01

0.02

0.025

%

Signal-to-Intermodulation Distortion

90

dB

Interchannel Isolation

Line to Line Inputs

Line to Mic Inputs

Line-to-AUX1

Line-to-AUX2

80

90

dB

Interchannel Gain Mismatch

Line Inputs

Mic Inputs

0.5

dB

Programmable Input Gain Span

Line Inputs

21.5

22.5

dB

Gain Step Size

1.3

1.5

1.7

dB

ADC Offset Error

0 dB gain

10

100

LSB

Full Scale Input Voltage:

(MGE=1) MIC Inputs

(MGE=0) MIC Inputs

LINE, AUX1, AUX2, MIN Inputs

0.266

2.66

0.29

2.9

0.31

3.1

Vpp

Gain Drift

100

ppm/°C

Input Resistance

(Note 1)

20

k

Ω

Input Capacitance

(Note 1)

15

pF

Notes:

1. This specification is guaranteed by characterization, no production testing.

2. MGE = 1 and a 10

µF capacitor on the VREF pin.

*Parameter definitions are given at the end of this data sheet.

Windows and Windows Sound System are registered trademarks of Microsoft Corporation.

Specifications are subject to change without notice.

CS4231A

DS139PP2

3

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