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MAX147BEAP from MAX,MAXIM - Dallas Semiconductor

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MAX147BEAP

Manufacturer: MAX, MAXIM

+2.7Low-Power, 8-Channel, Serial 12-Bit ADCs

Partnumber Manufacturer Quantity Availability
MAX147BEAP MAX, MAXIM 37 In Stock

Description and Introduction

+2.7Low-Power, 8-Channel, Serial 12-Bit ADCs The MAX147BEAP is a low-power, CMOS, 8-channel, serial 12-bit analog-to-digital converter (ADC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
- Maxim Integrated (now Analog Devices)  

### **Key Specifications:**  
- **Resolution:** 12-bit  
- **Channels:** 8 single-ended or 4 differential  
- **Interface:** SPI/QSPI/MICROWIRE-compatible serial interface  
- **Supply Voltage:** +5V (single supply)  
- **Power Consumption:** 1.5mA (operating), 2µA (power-down mode)  
- **Sampling Rate:** 133ksps (max)  
- **Input Voltage Range:** 0V to VREF (unipolar), ±VREF/2 (bipolar)  
- **Reference Voltage:** External (1V to VDD)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin SSOP  

### **Descriptions:**  
- The MAX147BEAP is a low-power, high-performance ADC with a successive-approximation architecture.  
- It includes a track/hold (T/H) circuit, voltage reference input, and serial interface for easy microcontroller interfacing.  
- Suitable for battery-powered and portable applications due to its low power consumption.  

### **Features:**  
- **Low Power:** 1.5mA operating current, 2µA shutdown mode.  
- **Flexible Input Configuration:** 8 single-ended or 4 differential channels.  
- **SPI-Compatible Serial Interface:** Works with standard microcontrollers.  
- **Internal Track/Hold (T/H):** Eliminates the need for an external T/H circuit.  
- **Software-Configurable Unipolar/Bipolar Inputs:** Supports both unipolar (0V to VREF) and bipolar (±VREF/2) modes.  
- **Power-Down Mode:** Reduces power consumption when not in use.  
- **Wide Operating Temperature Range:** -40°C to +85°C for industrial applications.  

This information is based solely on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official documentation.

Application Scenarios & Design Considerations

+2.7Low-Power, 8-Channel, Serial 12-Bit ADCs

Alternative Part Number

  • AD7874AN --: Pin-compatible 12-bit 8-channel ADC with similar sampling rate and parallel interface, widely used as a MAX147 replacement.
  • LTC1290CN --: 12-bit 8-channel serial ADC offering comparable accuracy and input range, suitable for applications needing a different interface option.
  • ADC108S085CIMM --: Modern 10-bit 8-channel ADC with similar functionality and lower power, usable where slight resolution reduction is acceptable.
  • ADG408BNZ --: 8-channel analog multiplexer in a 28-pin DIP with similar on-resistance and supply range, a common drop-in functional replacement for the MAX147 series.
  • DG408DJZ --: Industry-standard 8-channel CMOS multiplexer pin-compatible with the MAX147 family, widely available and electrically comparable.
  • CD74HC4067E --: 16-channel CMOS analog multiplexer in DIP that can cover the same switching function with lower cost, though channel count and pinout differ.

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