Overview
The MAX187BCWE+ is a low-power, 12-bit serial Analog-to-Digital Converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is designed for high-performance applications where power consumption and space are critical. It features a successive-approximation ADC with an on-chip clock and a high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE. The MAX187BCWE+ is particularly suited for remote DSP and sensor applications due to its excellent AC characteristics, low power consumption, and compact package size.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Integral Nonlinearity (INL) | ±½ LSB | |
| Conversion Rate | 75 ksps | |
| Sampling Rate | 75 kHz | |
| Track/Hold Acquisition Time | 1.5 Fs | |
| Supply Voltage | 4.75 to 5.25 | V |
| Supply Current (Operating) | 1.5 to 2.5 mA | mA |
| Supply Current (Power-down) | 2 to 10 µA | µA |
| Operating Temperature Range | 0°C to +70°C | °C |
| Package Type | 16-SOIC |
Key Features
- 12-bit resolution with ±½ LSB integral nonlinearity
- Internal track/hold with a 1.5 Fs acquisition time
- Single +5V operation with low power consumption (7.5 mW) and ultra-low power-down mode (10 µA)
- High-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE
- On-chip buffered reference (MAX187) or external reference option (MAX189)
- Compact 8-pin PDIP and 16-pin SO packages
- Excellent AC characteristics including -80 dB THD and 80 dB SFDR
Applications
The MAX187BCWE+ is ideal for various applications where low power consumption and small form factor are essential. These include:
- Remote DSP and sensor applications
- Circuits where power consumption and space are critical
- Industrial control systems
- Medical devices requiring high precision and low power
- Aerospace and defense applications
Q & A
- What is the resolution of the MAX187BCWE+ ADC?
The MAX187BCWE+ has a 12-bit resolution. - What is the conversion rate of the MAX187BCWE+?
The conversion rate is 75 ksps. - What types of serial interfaces does the MAX187BCWE+ support?
The MAX187BCWE+ supports SPI, QSPI, and MICROWIRE interfaces. - What is the operating temperature range of the MAX187BCWE+?
The operating temperature range is 0°C to +70°C. - How much power does the MAX187BCWE+ consume in operating mode?
The power consumption in operating mode is 7.5 mW. - What is the package type of the MAX187BCWE+?
The package type is 16-SOIC. - Does the MAX187BCWE+ have an internal reference?
Yes, the MAX187BCWE+ has an on-chip buffered reference. - What is the track/hold acquisition time of the MAX187BCWE+?
The track/hold acquisition time is 1.5 Fs. - How low can the power consumption go in power-down mode?
The power consumption in power-down mode can be as low as 10 µA. - What are the typical applications of the MAX187BCWE+?
The MAX187BCWE+ is typically used in remote DSP and sensor applications, industrial control systems, medical devices, and aerospace and defense applications.
