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MAX478ESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX478ESA

Manufacturer: MAXIM, MAX

17レA Max, Dual/Quad, Single-Supply, Precision Op Amps

Partnumber Manufacturer Quantity Availability
MAX478ESA MAXIM, MAX 67 In Stock

Description and Introduction

17レA Max, Dual/Quad, Single-Supply, Precision Op Amps The MAX478ESA is a low-power, precision operational amplifier (op-amp) manufactured by Maxim Integrated (now part of Analog Devices). Below are the key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** ±1.35V to ±18V  
- **Input Offset Voltage:** 75µV (max)  
- **Input Bias Current:** 1nA (max)  
- **Gain Bandwidth Product:** 1MHz  
- **Slew Rate:** 0.5V/µs  
- **Quiescent Current:** 500µA (per amplifier)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  

### **Descriptions:**
- The MAX478ESA is a single-channel, low-power, precision op-amp designed for applications requiring high accuracy and low power consumption.  
- It features low input offset voltage and bias current, making it suitable for precision signal conditioning.  
- The device operates over a wide supply voltage range and is optimized for battery-powered applications.  

### **Features:**
- **Low Power Consumption:** 500µA supply current per amplifier.  
- **Low Input Offset Voltage:** Ensures high accuracy in precision circuits.  
- **Wide Supply Voltage Range:** Supports operation from ±1.35V to ±18V.  
- **High Open-Loop Gain:** Typically 120dB.  
- **Low Input Bias Current:** Minimizes errors in high-impedance circuits.  
- **Single-Supply Operation:** Compatible with single or dual power supplies.  

The MAX478ESA is commonly used in instrumentation, sensor signal conditioning, and battery-powered systems where precision and low power are critical.  

(Note: Always refer to the official datasheet for detailed specifications and application guidelines.)

Application Scenarios & Design Considerations

17レA Max, Dual/Quad, Single-Supply, Precision Op Amps

Alternative Part Number

  • LTC1540CS8 --: Pin-compatible low-power comparator in SO-8 with similar supply range and open-drain output, direct functional drop-in.
  • TLV3701IDBVR --: Micropower comparator with comparable supply voltage and open-drain output, suitable replacement in low-power sensing circuits.
  • LM393DR --: Widely available dual comparator in SO-8 with similar open-collector output behavior, usable where dual-channel and slightly higher supply current are acceptable.
  • LTC1051CS8 --: Dual precision op amp in SO-8 with similar low offset and low drift performance, a common substitute for the MAX478 in precision signal conditioning.
  • OPA2277PA --: Dual low-offset, low-noise op amp with comparable supply range and precision specs, widely used as a drop-in replacement in similar circuits.
  • AD706JRZ --: Dual low-drift bipolar op amp with similar offset voltage and quiescent current, suitable for precision instrumentation applications.

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