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MAX543

Manufacturer: MAXIM

Serial, CMOS, Multiplying, 12-Bit DAC in 8-Pin Package

Partnumber Manufacturer Quantity Availability
MAX543 MAXIM 1320 In Stock

Description and Introduction

Serial, CMOS, Multiplying, 12-Bit DAC in 8-Pin Package The MAX543 is a digital potentiometer manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Resolution:** 8-bit (256 taps)  
- **Interface:** Serial (SPI-compatible)  
- **Resistance Values:** Available in 10kΩ, 50kΩ, and 100kΩ versions  
- **Supply Voltage Range:** +5V ±10%  
- **Low Power Consumption:** Typically 0.5mA  
- **Non-Volatile Memory:** No (volatile wiper setting)  
- **Temperature Range:** Commercial (0°C to +70°C) and Industrial (-40°C to +85°C)  
- **Package Options:** 8-pin DIP, SOIC  

### **Descriptions:**  
The MAX543 is a digitally controlled potentiometer (digipot) that functions similarly to a mechanical potentiometer but is adjusted via a serial interface. It replaces traditional variable resistors in applications requiring programmable resistance or voltage division.  

### **Features:**  
- **SPI-Compatible Serial Interface:** Allows easy microcontroller interfacing.  
- **Wide Resistance Range:** Available in 10kΩ, 50kΩ, and 100kΩ variants.  
- **Low Power Operation:** Suitable for battery-powered applications.  
- **Volatile Wiper Setting:** Loses position on power-down (no non-volatile memory).  
- **Monotonic Resistance Adjustment:** Ensures consistent performance.  
- **Compact Package Options:** Available in DIP and SOIC for flexibility in PCB design.  

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

Application Scenarios & Design Considerations

Serial, CMOS, Multiplying, 12-Bit DAC in 8-Pin Package

Alternative Part Number

  • AD543 --: Pin-compatible 12-bit multiplying DAC from Analog Devices, functionally equivalent to the MAX543 with similar serial interface and reference input.
  • DAC8043 --: 12-bit CMOS multiplying DAC with serial input, a common drop-in style alternative for MAX543 applications requiring similar resolution and settling behavior.
  • LTC8043 --: 12-bit serial multiplying DAC offering comparable performance and interface, suitable as a cross-manufacturer replacement for the MAX543.
  • AD7543 --: 12-bit serial-input multiplying DAC offering similar resolution and performance characteristics for replacement use.

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