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SL1461SA from ZARLINK

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SL1461SA

Manufacturer: ZARLINK, GPS, MITEL, MIT

Wideband PLL FM Demodulator

Partnumber Manufacturer Quantity Availability
SL1461SA ZARLINK, GPS, MITEL, MIT 18279 In Stock

Description and Introduction

Wideband PLL FM Demodulator **Part Number:** SL1461SA  
**Manufacturer:** ZARLINK  

### **Specifications:**  
- **Type:** Hybrid Circuit  
- **Function:** CODEC (Coder-Decoder)  
- **Technology:** PCM (Pulse Code Modulation)  
- **Operating Voltage:** Typically ±5V  
- **Sampling Rate:** 8 kHz (standard for telephony applications)  
- **Resolution:** 8-bit (A-law/µ-law companding)  
- **Interface:** Serial (compatible with T1/E1 systems)  
- **Package:** Ceramic or metal hybrid package  

### **Descriptions:**  
The SL1461SA is a hybrid CODEC designed for digital telecommunication applications, particularly in T1/E1 transmission systems. It integrates analog-to-digital (ADC) and digital-to-analog (DAC) conversion with companding (A-law/µ-law) for efficient voice signal processing.  

### **Features:**  
- **Companding:** Supports A-law and µ-law encoding/decoding.  
- **Low Power Consumption:** Suitable for telecom infrastructure.  
- **Wide Operating Temperature Range:** Designed for industrial environments.  
- **Integrated Filters:** Includes anti-aliasing and reconstruction filters.  
- **Compatibility:** Meets ITU-T (CCITT) G.711/G.712 standards for PCM.  

This part is now obsolete but was widely used in legacy telecommunication equipment.  

(Note: Specifications may vary slightly based on datasheet revisions.)

Application Scenarios & Design Considerations

Wideband PLL FM Demodulator

Alternative Part Number

  • LM1881N --: Video sync separator with similar function to the SL1461 sync separator; widely available and well documented.
  • EL2210CN --: Sync separator IC offering comparable video sync extraction functionality and a similar pinout concept.
  • HA11580A --: Legacy video sync separator IC used in similar TV/video applications, suitable as a functional substitute.
  • GS4981-CKA --: Sync separator IC offering similar video sync processing capability, usable as an alternative with minor circuit adjustment.

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