TDA1387 datasheet(2/16 Pages) PHILIPS

2 / 16 page

1995 Dec 11

Philips Semiconductors

Preliminary speciﬁcation

Stereo Continuous Calibration DAC (CC-DAC)

TDA1387T

FEATURES

• Low power consumption

• Low total harmonic distortion

• Wide dynamic range (16-bit resolution)

• Continuous Calibration (CC) concept

• Single 3 to 5.5 V supply rail

• Output and bias current are proportional to the supply

voltage

• Fast settling time enables 2, 4 and 8 times

oversampling (serial input) or double-speed operation at

4 times oversampling

• Internal bias current ensures maximum dynamic range

• Wide operating temperature range (−40 to + 85 °C)

• I2S-bus input format (time multiplex, two’s complement,

TTL)

• No zero-crossing distortion

• Large DC output voltage compliance

• Contained in small outline package.

APPLICATIONS

• Portable digital audio equipment.

GENERAL DESCRIPTION

The TDA1387T is a member of a generation of

digital-to-analog converters which incorporates the

innovative technique of Continuous Calibration. The

largest bit currents are repeatedly generated from one

single reference current. This duplication is based upon an

internal charge storage principle and has an accuracy

which is insensitive to ageing, temperature and process

variations.

The TDA1387T is fabricated in a 1.0

µm CMOS process

and features an extremely low power dissipation, small

package size and easy application. The intrinsic high

coarse current accuracy combined with the implemented

symmetrical offset decoding method preclude

zero-crossing distortion and ensure high quality audio

reproduction. The CC-DAC is eminently suitable for use in

portable digital audio equipment.

ORDERING INFORMATION

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA1387T

SO8

plastic small outline package; 8 leads; body width 3.9 mm.

SOT96-1

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