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MAX843ISA from MAX,MAXIM - Dallas Semiconductor

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MAX843ISA

Manufacturer: MAX, MAXIM

Low-Noise / Regulated / -2V GaAsFET Bias

Partnumber Manufacturer Quantity Availability
MAX843ISA MAX, MAXIM 80517 In Stock

Description and Introduction

Low-Noise / Regulated / -2V GaAsFET Bias The MAX843ISA is a precision, low-power, low-dropout voltage reference manufactured by Maxim Integrated.  

### **Specifications:**  
- **Output Voltage:** 2.5V  
- **Initial Accuracy:** ±0.4%  
- **Temperature Coefficient:** 50ppm/°C (max)  
- **Dropout Voltage:** 300mV (typical)  
- **Supply Current:** 60µA (typical)  
- **Operating Voltage Range:** 2.7V to 12.6V  
- **Load Regulation:** 0.05mV/mA (typical)  
- **Line Regulation:** 0.05mV/V (typical)  
- **Package:** 8-pin SOIC  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX843ISA is a low-power, precision voltage reference with excellent initial accuracy and low temperature drift. It is designed for applications requiring stable voltage references with minimal power consumption.  

### **Features:**  
- Low dropout voltage (300mV typical)  
- Low supply current (60µA typical)  
- High initial accuracy (±0.4%)  
- Low temperature coefficient (50ppm/°C max)  
- Stable with capacitive loads  
- Wide operating voltage range (2.7V to 12.6V)  
- Available in an 8-pin SOIC package  

This device is commonly used in battery-powered systems, data acquisition systems, and precision instrumentation.

Application Scenarios & Design Considerations

Low-Noise / Regulated / -2V GaAsFET Bias

Alternative Part Number

  • LT1054CS8 --: Pin-compatible switched-capacitor voltage converter in SO-8 with similar inverting/regulating function; widely available and well documented.
  • ICL7660SCPA --: Classic charge-pump voltage inverter offering comparable negative supply generation; lower cost and easy to source as a functional substitute.
  • TC7660EOA --: Charge-pump voltage converter in SO-8 with similar operating principle; good second-source option when exact MAX843 specs are not critical.
  • TC7660CPA --: Low-cost CMOS charge-pump inverter in DIP-8, similar topology and supply range; good second-source option for negative rail designs.

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