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MAX186ACAP+ from MAXIM/DALLAS,MAXIM - Dallas Semiconductor

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MAX186ACAP+

Manufacturer: MAXIM/DALLAS, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX186ACAP+,MAX186ACAP MAXIM/DALLAS, MAXIM 20 In Stock

Description and Introduction

Low-Power, 8-Channel, Serial 12-Bit ADCs The MAX186ACAP+ is a 12-bit data acquisition system (DAS) manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 12-bit  
- **Channels:** 8 single-ended or 4 differential  
- **Interface:** SPI/QSPI/MICROWIRE-compatible serial interface  
- **Sampling Rate:** Up to 133ksps (kilo samples per second)  
- **Input Voltage Range:** 0V to VREF (programmable)  
- **Reference Voltage:** Internal 4.096V or external (up to VDD)  
- **Power Supply:** Single +5V or dual ±5V operation  
- **Power Consumption:** 1.5mA (operating), 2µA (power-down mode)  
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)  
- **Package:** 20-pin SSOP (Shrink Small Outline Package)  

### **Descriptions:**
The MAX186ACAP+ integrates an 8-channel multiplexer, a high-bandwidth track/hold, a 12-bit successive-approximation ADC (analog-to-digital converter), and a serial interface. It is designed for precision data acquisition in industrial, medical, and instrumentation applications.  

### **Features:**
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **Flexible Input Configuration:** Supports both single-ended and differential inputs.  
- **Internal/External Reference:** Built-in 4.096V reference or accepts an external reference.  
- **Software-Configurable:** Allows control of channel selection, reference source, and power modes via SPI.  
- **Fast Conversion Time:** 7.5µs per conversion at full throughput.  
- **Small Footprint:** 20-pin SSOP package for space-constrained designs.  

This device is ideal for applications requiring high accuracy and low power consumption, such as sensor monitoring, process control, and portable instrumentation.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AD7874ANZ --: Pin-compatible 12-bit 8-channel ADC with similar serial interface and performance, widely available from Analog Devices.
  • LTC1298CN8 --: 12-bit 8-channel serial ADC with comparable functionality and similar package, suitable as a functional replacement.
  • TLC2543CN --: 12-bit 11-channel serial ADC offering similar resolution and interface, a common alternative when the original is unavailable.
  • AD7888ARUZ --: 8-channel 12-bit serial ADC with comparable SPI interface and speed, suitable functional replacement in many data-acquisition designs.

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