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SAA1042, SAA1042A, SAA1042AV

Table of contents:
Info of SAA1042
Info of SAA1042A
Info of SAA1042AV

SAA1042, SAA1042A, SAA1042AV Selling Leads, Datasheet

MFG:NEW Package Cooled:DIP D/C:9902+

SAA1042, SAA1042A, SAA1042AV Datasheet download

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Part Number: SAA1042

MFG: NEW

Package Cooled: DIP

D/C: 9902+

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SAA1042 General Description

The SAA1042 drives a twophase stepper motor in the bipolar mode. The device contains three input stages, a logic section and two output stages. The IC is contained in a 16 pin dualinline heat tab plastic package for improved heatsinking capability. The center four ground pins are connected to the copper alloy heat tab and improve thermal conduction from the die to the circuit board.

SAA1042 Maximum Ratings

Rating	Symbol	SAA1042V	Unit
Clamping Voltage (Pins 1, 3, 14, 16) Over Voltage (VOV = Vclamp VM) Supply Voltage Switching or Motor Current/Coil	V_clamp V_OV V_CC I_M	20 6.0 20 500	V V V mA
Input Voltage (Pins 7, 8, 10)	Vin clock Vin Full/Half Vin CW/CCW	V_CC	V
Power Dissipation (Note 1) Thermal Resistance, JunctiontoAir Thermal Resistance, JunctiontoCase	P_D _JA _JC	2.0 80 15	W °C/W
Operating Junction Temperature Range Storage Temperature Range	T_J T_stg	30 to +125 65 to +150	°C °C

NOTE: 1. The power dissipation (P_D) of the circuit is given by the supply voltage (V_M and V_CC) and the motor current (I_M), and can be determined from Figures 3 and 5. P_D= Pdrive Plogic.

SAA1042 Features

• Drive Stages Designed for Motors: 6.0 V and 12 V: SAA1042V
• 500 mA/Coil Drive Capability
• BuiltIn Clamp Diodes for Overvoltage Suppression
• Wide Logic Supply Voltage Range
• Accepts Commands for CW/CCW and Half/Full Step Operation
• Inputs Compatible with Popular Logic Families: MOS, TTL, DTL
• Set Input Defined Output State
• Drive Stage Bias Adaptable to Motor Power Dissipation for Optimum Efficiency

SAA1042 Connection Diagram

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