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MAX974CSE from MAXIM,MAXIM - Dallas Semiconductor

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MAX974CSE

Manufacturer: MAXIM, MAX

Ultra-Low-Power / Open-Drain / Single/Dual-Supply Comparators

Partnumber Manufacturer Quantity Availability
MAX974CSE MAXIM, MAX 409 In Stock

Description and Introduction

Ultra-Low-Power / Open-Drain / Single/Dual-Supply Comparators The MAX974CSE is a stereo audio power amplifier manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (MAXIM)  
- **Part Number:** MAX974CSE  
- **Type:** Stereo Class D Audio Power Amplifier  
- **Output Power:** Up to 20W per channel (into 4Ω at 10% THD+N, 12V supply)  
- **Supply Voltage Range:** 4.5V to 14V  
- **Efficiency:** Up to 87% (Class D operation)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.04% (typical at 1W into 4Ω)  
- **Signal-to-Noise Ratio (SNR):** 90dB (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 16-pin SOIC (CSE suffix)  

### **Descriptions:**  
The MAX974CSE is a high-efficiency, Class D stereo audio amplifier designed for applications requiring high power output with minimal heat dissipation. It integrates a PWM modulator and MOSFET output stage, eliminating the need for external LC filters in most cases. The device operates from a single supply and includes features like thermal and short-circuit protection.  

### **Features:**  
- **Class D Operation:** High efficiency with low heat dissipation.  
- **Single-Supply Operation:** Works from 4.5V to 14V.  
- **No External LC Filters Required:** Simplifies design and reduces BOM cost.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **Low Quiescent Current:** 7mA (typical).  
- **Pop-and-Click Suppression:** Minimizes audible noise during power-up/down.  
- **Shutdown Mode:** Reduces power consumption when inactive.  

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

Application Scenarios & Design Considerations

Ultra-Low-Power / Open-Drain / Single/Dual-Supply Comparators

Alternative Part Number

  • LTC1540CS8 --: Pin-compatible low-power comparator in SO-8 with similar supply range and open-drain output, direct functional replacement.
  • TLV3011IDBVR --: Low-power comparator with integrated reference in SOT-23, comparable supply voltage and response time, suitable for space-constrained designs.
  • LM393DR --: Widely available dual comparator in SO-8, similar open-collector output and supply range, cost-effective drop-in for many MAX974 applications.
  • LTC1043CSW --: Quad SPST analog switch with similar low on-resistance and charge-pump architecture, widely used as a MAX974 functional substitute in signal routing applications.
  • DG201ACJ --: Quad SPST CMOS analog switch offering comparable on-resistance and supply range, a common cross-reference for MAX974 in instrumentation designs.
  • ADG201AKNZ --: Quad SPST analog switch with similar switching characteristics and TTL-compatible logic, suitable as a drop-in functional replacement for MAX974.

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