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MAX1270ACAI+ from MAXIM/DALLAS,MAXIM - Dallas Semiconductor

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MAX1270ACAI+

Manufacturer: MAXIM/DALLAS, MAXIM

Multirange, +5V, 8-Channel, Serial 12-Bit ADCs

Partnumber Manufacturer Quantity Availability
MAX1270ACAI+,MAX1270ACAI MAXIM/DALLAS, MAXIM 712 In Stock

Description and Introduction

Multirange, +5V, 8-Channel, Serial 12-Bit ADCs The MAX1270ACAI+ is a 12-bit analog-to-digital converter (ADC) manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Resolution:** 12-bit  
- **Channels:** 8 single-ended or 4 differential  
- **Sampling Rate:** 110ksps (kilo-samples per second)  
- **Input Voltage Range:**  
  - **Unipolar:** 0V to +5V  
  - **Bipolar:** ±5V, ±10V (software-selectable)  
- **Interface:** SPI/QSPI™/MICROWIRE™ compatible  
- **Supply Voltage:** +5V  
- **Power Consumption:** 5mW (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SSOP  

### **Descriptions:**  
- The MAX1270ACAI+ is a **successive-approximation ADC** with an internal track/hold, voltage reference, and serial interface.  
- It supports both **unipolar and bipolar input ranges**, configurable via software.  
- Designed for **low-power, high-speed** data acquisition applications.  

### **Features:**  
- **Internal 4.096V Reference** (±1% accuracy)  
- **Software-Configurable Input Ranges** (Unipolar/Bipolar)  
- **Low Power:** 5mW (operating), 10µW (shutdown)  
- **No External Components Required** for basic operation  
- **SPI-Compatible Serial Interface** (3-wire mode)  
- **Fault-Protected Inputs** (up to ±16.5V)  

This data is sourced from the manufacturer's official documentation. For detailed electrical characteristics, refer to the **MAX1270 datasheet**.

Application Scenarios & Design Considerations

Multirange, +5V, 8-Channel, Serial 12-Bit ADCs

Alternative Part Number

  • AD7874ANZ --: 12-bit 8-channel successive-approximation ADC with similar serial interface and throughput, pin-compatible analog front-end behavior for many MAX1270 sockets.
  • LTC1298CN8 --: 12-bit serial ADC with comparable sampling rate and SPI-like interface, suitable drop-in for low-speed data acquisition designs.
  • TLC2543CN --: 12-bit 11-channel switched-capacitor ADC with SPI interface, widely available and functionally similar to the MAX1270 for general-purpose sensing.

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