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MAX973CSA

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX973CSA MAXIM, MAX 172 In Stock

Description and Introduction

Ultra-Low-Power / Open-Drain / Single/Dual-Supply Comparators The MAX973CSA is a high-performance, low-noise operational amplifier (op-amp) 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 (now Analog Devices)
- **Supply Voltage Range:** ±4V to ±18V (dual supply), 8V to 36V (single supply)
- **Input Offset Voltage:** 0.5mV (max)
- **Input Bias Current:** 10nA (max)
- **Gain Bandwidth Product (GBW):** 5MHz (typical)
- **Slew Rate:** 20V/µs (typical)
- **Common-Mode Rejection Ratio (CMRR):** 100dB (min)
- **Power Supply Rejection Ratio (PSRR):** 100dB (min)
- **Operating Temperature Range:** 0°C to +70°C
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)

### **Descriptions:**
- The MAX973CSA is a precision, high-speed operational amplifier designed for applications requiring low noise and high accuracy.
- 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, supporting both single and dual power supplies.
- It is optimized for stability and performance in high-gain configurations.

### **Features:**
- Low noise: 10nV/√Hz (typical) at 1kHz
- High slew rate for fast signal response
- Wide bandwidth for high-frequency applications
- High CMRR and PSRR for improved noise rejection
- Short-circuit protected output
- Unity-gain stable

The MAX973CSA is commonly used in instrumentation, audio processing, data acquisition, and other precision analog circuits.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • LT1074CT --: High-efficiency step-down switching regulator with comparable input voltage range and current capability, suitable as a functional replacement in many power supply designs.
  • LM2576T-5.0 --: Widely available 3A step-down regulator in TO-220, easy drop-in for buck converter applications with similar voltage and current ratings.
  • MC34063AP --: Versatile DC-DC converter IC supporting step-down, step-up, and inverting topologies, commonly used as a lower-cost alternative for similar regulator roles.
  • LT1373CS8 --: Similar high-frequency boost/inverting switching regulator in an SO-8 package with comparable current capability and pinout, widely used as a MAX973 cross.
  • MC34063ACD --: Classic general-purpose DC-DC switching regulator controller covering boost, buck, and inverting topologies; a common lower-cost functional substitute for the MAX973 in many designs.
  • LM2575S-ADJ --: Adjustable step-down switching regulator in a similar package with integrated switch, suitable when the MAX973 circuit is used in a buck configuration and a simple drop-in style alternative is needed.
  • LT1112CS8 --: Dual low-power precision op-amp in SO-8 with comparable supply range and offset performance, a common drop-in for MAX973 applications.
  • OP200GS --: Dual low-offset, low-power op-amp in SO-8 offering similar input characteristics and supply voltage range for MAX973 replacement.
  • TLC272CD --: Dual low-power CMOS op-amp in SO-8 with wide supply range and similar quiescent current, suitable for cost-sensitive MAX973 substitutions.

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