MAS9090B datasheet(3/30 Pages) MICRONAS

Part #	MAS9090B

Description	LOW VOLTAGE 14-BIT LINEAR CODEC

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Manufacturer	MICRONAS [Micronas]

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DA9090B.001

January 14, 1998

3

PIN DESCRIPTION

Pin Name

Pin Number

Type

Function

MCLK

20

25

DI

Master clock input. Must be 512, 1536, 2048 or 2560 kHz

LO

21

26

DO

Value of bit DO of CR1.

MIC2-

22

30

AI

Negative differential input for MIC2.

MIC2+

23

31

AI

Positive differential input for MIC2.

MIC1-

24

33

AI

Negative differential input for MIC1.

MIC1+

25

34

AI

Positive differential input for MIC1.

GNDA

26

36

G

GNDA analog ground.

MIC3-

27

37

AI

Negative differential input for MIC3.

MIC3+

28

38

AI

Positive differential input for MIC3.

ABSOLUTE MAXIMUM RATINGS

Parameter

Symbol

Conditions

Min

Max

Unit

Supply Voltage

VCC

7.0

V

Voltage at MIC

VCC < 5.5V

-1

VCC+1

V

Current at any digital output

50

mA

Voltage at any digital input

VCC < 5.5V

-1

VCC+1

V

Storage Temperature

TS

-55

+125

°

C

RECOMMENDED OPERATION CONDITIONS

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Supply Voltage

VCC

3.0V mode (SV=0)

2.7

3.0

3.6

V

5.0V mode (SV=1)

4.5

5.0

5.5

v

Operating Temperature

TA

-30

+85

°

C

AC, TESTING INPUT, OUTPUT WAVEFORM

IN P U T /OUT P U T

0.8 V cc

0.2 V c c

0.7 V cc

0.3 V cc

test po ints

AC testing: inputs are driven at 0.8Vcc

for a logic ’1’ and 0.2Vcc for a logic ’0’.

Timing measurements are made at

0.7Vcc for a ’1’ and 0.3 Vcc for a ’0’.

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