Analog Devices Inc./Maxim Integrated MAX187ACWE+
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $36.35 | $36.35 |
| 15+ | $35.20 | $528.00 |
| 25+ | $34.43 | $860.75 |
| 50+ | $32.52 | $1,626.00 |
| 100+ | $28.70 | $2,870.00 |
| N+ | $5.74 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Product Series | |
| Packaging | Factory | Tube |
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 75k |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Features | - |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Grade | - |
| Qualification | - |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC |
| ROHS |  |
The MAX187ACWE+ is a compact, 12-bit analog-to-digital converter from Analog Devices/Maxim Integrated. It features a single input channel and a maximum sampling rate of 75k SPS. The device includes an internal voltage reference, simplifying circuit design. Communication is handled via a standard SPI interface. Housed in a 16-SOIC package, it is well-suited for space-constrained applications in industrial control, portable instrumentation, and data logging.
- Integrated Reference: The internal reference eliminates the need for an external precision voltage source, saving cost and board space.
- Simple Interface: The 3-wire SPI interface is easy to connect to any microcontroller, reducing firmware complexity.
- Low Power Consumption: Designed for power-sensitive applications, extending battery life in portable devices.
- Compact Package: The 16-SOIC package is small and widely available, suitable for mass production.
Battery-Powered Instruments
The MAX187ACWE+ is ideal for portable, battery-powered devices due to its low power consumption and internal reference. The 12-bit resolution is sufficient for many battery monitoring and control applications, and the SPI interface minimizes pin count.
Industrial Process Control
In industrial settings, this ADC can digitize 4-20mA loop signals or 0-10V sensor outputs. The internal reference ensures stable conversions over the 0°C to +70°C temperature range, making it reliable for factory automation and process monitoring.
Data Logging Systems
For single-channel data loggers, the MAX187 provides a simple, compact solution. The 75k SPS sampling rate is adequate for logging temperature, humidity, or pressure trends over time, and the SPI interface allows for easy connection to a microcontroller or SD card logger.
Motor Control Feedback
In simple motor control loops, the MAX187 can digitize a single current or position sensor. The fast conversion time (up to 75k SPS) allows for responsive control, while the small SOIC package fits neatly on a motor driver board.
Audio and Vibration Analysis
With a 75k SPS sampling rate, the MAX187 can capture audio-band signals (up to 37.5kHz Nyquist frequency). It can be used in basic vibration monitoring or acoustic analysis systems where 12-bit resolution provides a good balance between cost and performance.
- Q: What is the MAX187ACWE+?
- A: It is a 12-bit, single-channel, successive approximation (SAR) analog-to-digital converter (ADC) with an internal reference and SPI interface.
- Q: What is the maximum sampling rate?
- A: The MAX187ACWE+ achieves a maximum sampling rate of 75k SPS (samples per second).
- Q: How many analog input channels does it have?
- A: It has 1 analog input channel, making it suitable for dedicated single-signal digitization.
- Q: What digital interface does it use?
- A: It uses a standard 3-wire SPI (Serial Peripheral Interface) for communication.
- Q: Does it require an external reference?
- A: No, it has an internal reference, simplifying the design and reducing external component count.
- Q: What is the operating temperature range?
- A: The commercial version (ACWE) is specified for 0°C to +70°C operation.
MAX187ACWE+.pdf
- Q: What is the MAX187ACWE+?
- A: It is a 12-bit, single-channel, successive approximation (SAR) analog-to-digital converter (ADC) with an internal reference and SPI interface.
- Q: What is the maximum sampling rate?
- A: The MAX187ACWE+ achieves a maximum sampling rate of 75k SPS (samples per second).
- Q: How many analog input channels does it have?
- A: It has 1 analog input channel, making it suitable for dedicated single-signal digitization.
- Q: What digital interface does it use?
- A: It uses a standard 3-wire SPI (Serial Peripheral Interface) for communication.
- Q: Does it require an external reference?
- A: No, it has an internal reference, simplifying the design and reducing external component count.
- Q: What is the operating temperature range?
- A: The commercial version (ACWE) is specified for 0°C to +70°C operation.
