July 1991

2

Philips Semiconductors

Product specification

Audio Digital Input Circuit (ADIC)

SAA7274

GENERAL DESCRIPTION

The SAA7274 is an Audio Digital Input Circuit (ADIC) which converts digital audio signals in accordance with the

IEC/EBU standards, IEC tech. com. No. 84, secr. 50, Jan. 1987 into an equivalent binary value of data and control bits.

The output function of this device is to convert the equivalent binary value of data bits (for each channel) into a serial

Features

• Biphase audio signal (Satellite radio, compact disc and DAT)

QUICK REFERENCE DATA

PACKAGE OUTLINES

SAA7274P: 24-lead DIL; plastic (SOT101A); SOT101-1; 1996 September 05.

SAA7274T: 24-lead mini-pack; plastic (SO24; SOT137A); SOT137-1; 1996 September 05.

PARAMETER

CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

Supply

Supply voltage range

4.5

−

5.5

V

Inputs

except IBIFA

Input voltage HIGH

−

V

Input voltage LOW

0

−

V

Input current

−−

1

µA

−−

1

µA

Input capacitance

−

46

pF

Outputs

Output voltage HIGH

−−

V

Output voltage LOW

−−

0.4

V

Operating ambient

temperature range

−40

−

+70

°C