Overview
The MAX187ACWE+T is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed for high-resolution analog-to-digital conversion and is suitable for a wide range of applications, including data acquisition and industrial control systems. It operates from a single +5V power supply and features a serial interface compatible with SPI, QSPI, and MICROWIRE protocols. Although the product is now obsolete, it can still be used in new designs with proper qualification.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bit |
| Number of Channels | 1 Channel |
| Interface Type | SPI |
| Sampling Rate | 75 kS/s |
| Input Type | Single-Ended |
| Architecture | SAR (Successive Approximation Register) |
| Operating Supply Voltage | 4.75 V to 5.25 V |
| Minimum Operating Temperature | 0°C |
| Maximum Operating Temperature | +70°C |
| DNL - Differential Nonlinearity | +/- 1 LSB |
| INL - Integral Nonlinearity | +/- 0.5 LSB |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Power Dissipation | 478 mW |
| Shutdown Current | 2µA |
| Operating Current | 1.5mA |
Key Features
- 12-bit resolution with ±½ LSB integral nonlinearity (MAX187A/MAX189A)
- Internal track/hold circuit with a 75kHz sampling rate
- Single +5V operation
- Low power consumption: 1.5mA operating current and 2µA shutdown current
- Internal 4.096V buffered reference (MAX187)
- 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE
- Compact 16-SOIC package for surface-mount applications
Applications
- Data acquisition systems
- Industrial control systems
- Aeronautics and defense applications
- Medical devices
- Automotive systems
Q & A
- What is the resolution of the MAX187ACWE+T ADC?
The MAX187ACWE+T has a 12-bit resolution.
- What is the sampling rate of the MAX187ACWE+T?
The sampling rate is up to 75 kS/s.
- What type of interface does the MAX187ACWE+T support?
The device supports a 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- What is the operating supply voltage range for the MAX187ACWE+T?
The operating supply voltage range is from 4.75 V to 5.25 V.
- What is the package type and mounting style of the MAX187ACWE+T?
The device is packaged in a 16-SOIC and is suitable for surface-mount applications.
- What are the key applications of the MAX187ACWE+T?
The key applications include data acquisition systems, industrial control systems, aeronautics and defense, medical devices, and automotive systems.
- Is the MAX187ACWE+T still available for new designs?
Although the product is obsolete, it can still be used in new designs with proper qualification.
- What is the power dissipation of the MAX187ACWE+T?
The power dissipation is 478 mW.
- What is the shutdown current of the MAX187ACWE+T?
The shutdown current is 2µA.
- Does the MAX187ACWE+T have an internal reference voltage?
Yes, it has an internal 4.096V buffered reference.
