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SAA1029 from PHI,Philips

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SAA1029

Manufacturer: PHI, PHILIPS

UNIVERSAL INDUSTRIAL LOGIC AND INTERFACE CIRCUIT

Partnumber Manufacturer Quantity Availability
SAA1029 PHI, PHILIPS 201 In Stock

Description and Introduction

UNIVERSAL INDUSTRIAL LOGIC AND INTERFACE CIRCUIT The SAA1029 is a stepper motor driver IC manufactured by PHILIPS. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** PHILIPS  
- **Type:** Stepper Motor Driver IC  
- **Supply Voltage (VCC):** Typically 9.5V to 18V  
- **Output Current:** Up to 350mA per phase  
- **Logic Supply Voltage (VDD):** 4.5V to 5.5V  
- **Number of Phases:** 2 (Bipolar stepper motor control)  
- **Step Modes:** Full-step and half-step operation  
- **Clock Input:** Compatible with TTL and CMOS logic levels  
- **Package Type:** DIP (Dual In-line Package)  

### **Descriptions:**  
- The SAA1029 is designed to drive bipolar stepper motors in full-step or half-step modes.  
- It includes built-in logic for step sequence generation, eliminating the need for external sequencing circuits.  
- The IC provides protection against output short-circuits and thermal overload.  

### **Features:**  
- **Integrated Step Sequencer:** Simplifies motor control by handling step sequencing internally.  
- **Wide Voltage Range:** Supports motor supply voltages from 9.5V to 18V.  
- **TTL/CMOS Compatibility:** Works with standard logic levels for easy interfacing with microcontrollers.  
- **Thermal Protection:** Includes thermal shutdown to prevent damage from overheating.  
- **Short-Circuit Protection:** Safeguards against output short-circuits.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

UNIVERSAL INDUSTRIAL LOGIC AND INTERFACE CIRCUIT

Alternative Part Number

  • TDA1029 --: Same function as the SAA1029 (dual audio source selector switch) and pin-compatible; NXP is the successor to Philips' semiconductor business, so this is the closest direct replacement.
  • CD4052B --: CMOS dual 4-channel analog multiplexer/demultiplexer that can implement the same audio source switching function; widely available and low cost, though pinout differs so a small redesign is needed.
  • DG409 --: Dual 4-channel analog multiplexer with low on-resistance and good audio signal handling, suitable as a functional substitute for the SAA1029 selector in new designs.
  • CD4053B --: CMOS analog multiplexer/demultiplexer that can replace the switching function in many SAA1029 applications, available from multiple sources.
  • HEF4053B --: Equivalent 4000-series CMOS analog switch from the original Philips/NXP family, offering similar multi-channel switching capability.

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