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MAX747CSD

Manufacturer: MAXIM

High-Efficiency PWM, Step-Down P-Channel DC-DC Controller

Partnumber Manufacturer Quantity Availability
MAX747CSD MAXIM 1745 In Stock

Description and Introduction

High-Efficiency PWM, Step-Down P-Channel DC-DC Controller The MAX747CSD is a dual, low-power operational amplifier manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Manufacturer:** Maxim Integrated  

### **Description:**  
The MAX747CSD is a dual, precision, low-power operational amplifier designed for applications requiring high performance with minimal power consumption. It is available in a small-outline IC (SOIC) package.

### **Key Features:**  
1. **Low Power Consumption:**  
   - Supply current: 600µA per amplifier (typical).  
   - Operates from a single +5V supply or dual ±5V supplies.  

2. **High Precision:**  
   - Low input offset voltage: 500µV (max).  
   - Low input bias current: 1nA (max).  

3. **Wide Bandwidth:**  
   - Gain-bandwidth product: 1MHz (typical).  

4. **Rail-to-Rail Output Swing:**  
   - Ensures maximum dynamic range in low-voltage applications.  

5. **Stable Operation:**  
   - Unity-gain stable.  

6. **Package:**  
   - 14-pin SOIC (Small Outline IC).  

### **Applications:**  
- Battery-powered devices  
- Portable instrumentation  
- Signal conditioning  
- Active filters  
- Sensor amplifiers  

### **Electrical Characteristics (Typical):**  
- Supply Voltage Range: ±2.5V to ±6V (dual supply), +5V to +12V (single supply).  
- Input Offset Voltage: 250µV.  
- Slew Rate: 0.3V/µs.  
- Common-Mode Rejection Ratio (CMRR): 90dB.  
- Operating Temperature Range: -40°C to +85°C.  

This information is based on the manufacturer's datasheet for the MAX747CSD. For detailed specifications, refer to the official documentation from Maxim Integrated.

Application Scenarios & Design Considerations

High-Efficiency PWM, Step-Down P-Channel DC-DC Controller

Alternative Part Number

  • LTC1144CS8 --: Pin-compatible switched-capacitor voltage converter in an SO-8 package with similar inverting/regulating function, widely available and a common drop-in substitute.
  • ICL7660SCPA --: Classic switched-capacitor voltage inverter offering comparable negative-supply conversion, low cost and broad availability for similar applications.
  • TC7662BCOA --: Switched-capacitor voltage converter in SO-8 with similar inverting capability and improved output current, suitable as a functional replacement.
  • ICL7660CSA --: Classic switched-capacitor voltage inverter in SO-8, widely used as a drop-in style replacement for charge-pump converters like the MAX747.
  • TC7660COA --: Charge-pump voltage converter in SO-8 with similar inverting capability; different naming series and readily available.

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