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MAX1271BCAI from MAX,MAXIM - Dallas Semiconductor

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MAX1271BCAI

Manufacturer: MAX

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

Partnumber Manufacturer Quantity Availability
MAX1271BCAI MAX 11 In Stock

Description and Introduction

Multirange / +5V / 8-Channel / Serial 12-Bit ADCs The MAX1271BCAI is a 12-bit, multichannel, successive approximation analog-to-digital converter (ADC) manufactured by Maxim Integrated.  

### **Key Specifications:**  
- **Resolution:** 12 bits  
- **Channels:** 8 single-ended or 4 differential inputs  
- **Conversion Time:** 3µs (max)  
- **Sampling Rate:** Up to 250ksps  
- **Input Voltage Range:** ±10V, ±5V, 0 to +10V, or 0 to +5V (software selectable)  
- **Interface:** SPI/QSPI/MICROWIRE-compatible serial interface  
- **Supply Voltage:** +5V ±10%  
- **Power Consumption:** 5.5mA (operating), 2µA (shutdown)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SSOP  

### **Descriptions and Features:**  
- **True Differential Inputs:** Allows noise rejection in industrial environments.  
- **Software-Configurable Input Range:** Supports multiple unipolar and bipolar ranges.  
- **Internal Track/Hold:** Eliminates the need for an external sample-and-hold circuit.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Internal 4.096V Reference:** Provides stable conversion accuracy.  
- **Serial Interface:** Compatible with SPI, QSPI, and MICROWIRE for easy microcontroller interfacing.  
- **Shutdown Mode:** Reduces power consumption when idle.  

The MAX1271BCAI is commonly used in data acquisition systems, industrial controls, and instrumentation applications.

Partnumber Manufacturer Quantity Availability
MAX1271BCAI MAXIM 256 In Stock

Description and Introduction

Multirange / +5V / 8-Channel / Serial 12-Bit ADCs The MAX1271BCAI is a 12-bit, multichannel, successive approximation analog-to-digital converter (ADC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Resolution:** 12-bit  
- **Channels:** 8 single-ended or 4 differential  
- **Conversion Time:** 3µs (max)  
- **Throughput Rate:** 333ksps (max)  
- **Input Voltage Range:**  
  - **Single-Ended:** 0V to VREF  
  - **Differential:** ±VREF  
- **Reference Voltage (VREF):** 4.096V (internal) or external (2.5V to VDD)  
- **Supply Voltage (VDD):** +5V ±10%  
- **Power Consumption:**  
  - **Operating:** 5.5mA (typ)  
  - **Shutdown Mode:** 2µA (max)  
- **Interface:** SPI/QSPI/MICROWIRE-compatible serial interface  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SSOP  

### **Descriptions:**
The MAX1271BCAI is a high-speed, low-power, 12-bit ADC with an internal track/hold, voltage reference, and serial interface. It supports both single-ended and differential input configurations, making it suitable for industrial control, data acquisition, and instrumentation applications.

### **Features:**
- **12-Bit Resolution** with no missing codes  
- **Low Power:** 5.5mA operating current, 2µA shutdown mode  
- **Flexible Input Configuration:** 8 single-ended or 4 differential channels  
- **Internal 4.096V Reference** or external reference support (2.5V to VDD)  
- **High-Speed Serial Interface** (SPI/QSPI/MICROWIRE-compatible)  
- **Software-Configurable Unipolar/Bipolar Inputs**  
- **Internal Track/Hold Circuit** (3µs conversion time)  
- **Wide Operating Temperature Range:** -40°C to +85°C  

The MAX1271BCAI is designed for precision measurement applications requiring high-speed, low-power ADCs with multiple input options.

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