SA5522 datasheet(2/20 Pages) PHILIPS

2 / 20 page

1996 Jan 23

Philips Semiconductors

Product speciﬁcation

1.4 GHz I2C-bus controlled synthesizer

TSA5522

FEATURES

• Complete 1.4 GHz single chip system

• Three PNP band switch buffers (20 mA)

• Four bus-controlled bidirectional ports (NPN

open-collector outputs); only one port in 16-pin version

• 33 V tuning voltage output

• In-lock detector

• 5-step ADC

• Mixer-Oscillator (M/O) band switch output

• 15-bit programmable divider

• Programmable reference divider ratio (512, 640

or 1024)

• Programmable charge-pump current (50 or 250 µA)

• Varicap drive disable

• I2C-bus format

– address plus 4 data bytes transmission (write mode)

– address plus 1 status byte transmission (read mode)

– three independent addresses

• Low power and low radiation.

APPLICATIONS

• TV tuners and front-ends

• VCR tuners.

ORDERING INFORMATION

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TSA5522M

SSOP20

plastic shrink small outline package; 20 leads; body width 4.4 mm

SOT266-1

TSA5522T

SO16

plastic small outline package; 16 leads; body width 3.9 mm

SOT109-1

SA5522 Datasheet(PDF) 2 Page - NXP Semiconductors