Overview
The MAX187CEWE+T is a +5V, low-power, 12-bit serial analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device operates from a single +5V supply and accepts analog input signals in the range of 0V to 5V. It is designed for applications where low power consumption, high accuracy, and compact packaging are crucial.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage Range | 4.75 to 5.25 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Internal Reference Voltage (MAX187) | 4.096 | V |
| Resolution | 12-bit | |
| Throughput Rate | 75 kSPS | |
| Conversion Time | 8.5 µs | |
| Track/Hold Acquisition Time | 1.5 µs | |
| Supply Current (Operating) | 1.5 mA | |
| Shutdown Current | 2 µA | |
| Serial Interface | 3-wire, compatible with SPI, QSPI, and MICROWIRE | |
| Package Type | 16-Pin WSOIC |
Key Features
- Low power consumption: 1.5 mA operating current and 2 µA shutdown current.
- Internal 4.096V buffered reference (MAX187) or external reference option.
- Fast track/hold acquisition time of 1.5 µs.
- High-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Small signal bandwidth of 4.5 MHz and full power bandwidth of 0.8 MHz.
- Relative accuracy of ±2LSB and gain error of ±3LSB.
- Compact 16-Pin WSOIC package.
Applications
- Portable data logging.
- Remote digital signal processing.
- Isolated data acquisition.
- High-accuracy process control.
- Signal processing in portable devices and automation systems.
Q & A
- What is the operating voltage range of the MAX187CEWE+T?
The operating voltage range is from 4.75V to 5.25V.
- What is the resolution of the MAX187CEWE+T ADC?
The resolution is 12 bits.
- What is the throughput rate of the MAX187CEWE+T?
The throughput rate is 75 kSPS.
- Does the MAX187CEWE+T have an internal reference voltage?
Yes, the MAX187 has an internal 4.096V buffered reference.
- What is the typical operating current of the MAX187CEWE+T?
The typical operating current is 1.5 mA.
- What is the shutdown current of the MAX187CEWE+T?
The shutdown current is 2 µA.
- What type of serial interface does the MAX187CEWE+T use?
The device uses a 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- What is the package type of the MAX187CEWE+T?
The package type is 16-Pin WSOIC.
- What are some typical applications of the MAX187CEWE+T?
Typical applications include portable data logging, remote digital signal processing, isolated data acquisition, and high-accuracy process control.
- What is the operating temperature range of the MAX187CEWE+T?
The operating temperature range is from -40°C to 85°C.
