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MAX133CQH from MAXIM,MAXIM - Dallas Semiconductor

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MAX133CQH

Manufacturer: MAXIM, MAX, MAXIN

3 Digit DMM Circuit

Partnumber Manufacturer Quantity Availability
MAX133CQH MAXIM, MAX, MAXIN 249 In Stock

Description and Introduction

3 Digit DMM Circuit The MAX133CQH is a precision, low-power, 12-bit analog-to-digital converter (ADC) manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 12-bit  
- **Sampling Rate:** Up to 100 kSPS (kilo-samples per second)  
- **Input Voltage Range:** 0V to VREF (external reference dependent)  
- **Supply Voltage:** +5V single supply  
- **Power Consumption:** Low power, typically 5mW  
- **Interface:** Parallel or serial (SPI/QSPI™ compatible)  
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)  
- **Package:** 44-pin PLCC (Plastic Leaded Chip Carrier)  

### **Descriptions:**
- The MAX133CQH is a high-performance, 12-bit ADC designed for precision measurement applications.  
- It includes an internal track-and-hold (T/H) circuit for accurate signal acquisition.  
- Suitable for industrial control, data acquisition, and instrumentation systems.  

### **Features:**
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **Flexible Interface:** Supports both parallel and serial data output.  
- **On-Chip T/H:** Eliminates the need for an external sample-and-hold circuit.  
- **External Reference Input:** Allows for adjustable full-scale range.  
- **Single-Supply Operation:** Simplifies system design with a +5V supply.  

For exact performance characteristics, refer to the official **MAX133 datasheet** from Maxim Integrated.

Application Scenarios & Design Considerations

3 Digit DMM Circuit

Alternative Part Number

  • ICL7135CPL --: Pin-compatible 4.5-digit ADC in a similar PLCC/PDIP form factor, widely used as a direct substitute for MAX133-type integrating ADCs.
  • TC7135CPI --: Equivalent 4.5-digit integrating ADC with the same function and pinout, available from a second source for MAX133 designs.
  • AD7555AQ --: Comparable 4.5-digit ADC with similar resolution and interface, suitable as a functional replacement when board layout allows.
  • ICL7135CPI --: Pin-compatible 4.5-digit ADC in the same family lineage, widely available and functionally equivalent for most display applications.
  • TC14433COG --: 3.5-digit integrating ADC with similar multiplexed display drive, a common drop-in style alternative when full 4.5-digit resolution is not required.
  • AD2021JP --: Comparable 3.5-digit ADC with multiplexed LED display outputs, usable as a functional substitute with minor circuit adjustments.

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