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MAX1291BCEI from MAXIM,MAXIM - Dallas Semiconductor

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MAX1291BCEI

Manufacturer: MAXIM

250ksps / +3V / 8-/4-Channel / 12-Bit ADCs with +2.5V Reference and Parallel Interface

Partnumber Manufacturer Quantity Availability
MAX1291BCEI MAXIM 54 In Stock

Description and Introduction

250ksps / +3V / 8-/4-Channel / 12-Bit ADCs with +2.5V Reference and Parallel Interface The MAX1291BCEI is a 12-bit, multichannel, successive approximation analog-to-digital converter (ADC) manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 12-bit  
- **Channels:** 8 single-ended or 4 differential  
- **Sampling Rate:** Up to 133ksps (kilo samples per second)  
- **Input Voltage Range:** 0V to VREF (programmable)  
- **Reference Voltage:** Internal (2.5V) or external (1V to VDD)  
- **Supply Voltage (VDD):** +4.75V to +5.25V  
- **Power Consumption:** 5.5mW (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin QSOP  

### **Descriptions:**
The MAX1291BCEI is a low-power, high-speed, 12-bit ADC with a built-in track-and-hold (T/H) circuit and a serial interface. It is designed for precision data acquisition in industrial, medical, and instrumentation applications. The device supports both single-ended and differential input configurations and includes an internal voltage reference.

### **Features:**
- **Low Power:** 1.1mA operating current (133ksps)  
- **Internal Reference:** 2.5V ±1% accuracy  
- **Serial Interface:** SPI/QSPI/MICROWIRE compatible  
- **Software-Configurable Inputs:** Single-ended or differential  
- **Programmable Gain:** 1x, 2x, 4x, or 8x  
- **Internal T/H:** No external hold capacitor required  
- **Shutdown Mode:** Reduces power consumption to 1µA  

This information is sourced from Maxim Integrated's official datasheet for the MAX1291BCEI.

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