PCA1485 Datasheet PDF - NXP CMOS Specs

PCA1485 - CMOS

Datasheet Summary

Description

chip with bumps on tape chip with bumps on tape chip on foil chip on foil GENERAL DESCRIPTION PCA148x series No loss of motor steps possible because of on-chip detection of the induced motor voltage Indication for battery end-of-life Stop function for accurate timing

Features

32 kHz oscillator, amplitude regulated with excellent frequency stability.
High immunity of the oscillator to leakage currents.
Time calibration electrically programmable and reprogrammable (via EEPROM).
A quartz crystal is the only external component required.
Very low current consumption; typically 170 nA.
Output for bipolar stepping motors of different types.
Up to 50% reduction in motor current compared with conventional circuit.

Datasheet Details

Part number	PCA1485
Manufacturer	NXP
File Size	118.06 KB
Description	CMOS
Datasheet	PCA1485 Datasheet
Additional preview pages of the PCA1485 datasheet.

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Full PDF Text Transcription

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INTEGRATED CIRCUITS DATA SHEET PCA148x series 32 kHz watch circuits with adaptive motor pulse Product speciﬁcation Supersedes data of 1998 Mar 26 File under Integrated Circuits, IC16 1998 Apr 21 Philips Semiconductors Product speciﬁcation 32 kHz watch circuits with adaptive motor pulse FEATURES • 32 kHz oscillator, amplitude regulated with excellent frequency stability • High immunity of the oscillator to leakage currents • Time calibration electrically programmable and reprogrammable (via EEPROM) • A quartz crystal is the only external component required • Very low current consumption; typically 170 nA • Output for bipolar stepping motors of different types • Up to 50% reduction in motor current compared with conventional circuits, by self adaption of the motor pulse width in accorda

Published: Mar 22, 2005 |