Overview
The MAX187CCPA+ is a 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 an analog input range of 0 to 5V. It features a successive-approximation ADC with an internal track/hold circuit and an on-chip clock, enabling a throughput rate of 75 ksps. The MAX187CCPA+ is designed for low power consumption, making it ideal for applications where power and space are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Supply Voltage | +5V ±5% | V |
| Analog Input Range | 0 to 5V | V |
| Conversion Rate | 75 ksps | samples per second |
| Conversion Time | 5.5 to 8.5 clock cycles | |
| Track/Hold Acquisition Time | 1.5 clock cycles | |
| Integral Nonlinearity (INL) | ±½ LSB (MAX187A) | |
| Power Consumption | 7.5 mW (active), 10 μW (shutdown) | W |
| Package Types | 8-PDIP, 16-SO |
Key Features
- 12-bit resolution with ±½ LSB integral nonlinearity (MAX187A/MAX189A)
- Internal track/hold circuit with a 1.5 clock cycle acquisition time
- On-chip clock and high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE
- Single +5V operation with low power consumption (7.5 mW active, 10 μW in shutdown)
- Small package sizes (8-pin PDIP and 16-pin SO)
- Excellent AC characteristics, including -80 dB THD and 80 dB SFDR
Applications
The MAX187CCPA+ is suitable for various applications where low power consumption and small size are crucial. These include:
- Remote DSP and sensor applications
- Data acquisition systems
- Circuits where power consumption and space are critical
- Industrial control systems
- Medical devices requiring precise analog-to-digital conversion
Q & A
- What is the resolution of the MAX187CCPA+ ADC?
The MAX187CCPA+ has a 12-bit resolution.
- What is the operating supply voltage for the MAX187CCPA+?
The device operates from a single +5V supply.
- What is the analog input range for the MAX187CCPA+?
The analog input range is 0 to 5V.
- What is the throughput rate of the MAX187CCPA+?
The throughput rate is 75 ksps.
- How does the MAX187CCPA+ interface with other devices?
The device uses a high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- What are the package options for the MAX187CCPA+?
The device is available in 8-pin PDIP and 16-pin SO packages.
- What is the power consumption of the MAX187CCPA+ in active and shutdown modes?
The power consumption is 7.5 mW in active mode and 10 μW in shutdown mode.
- Is there an evaluation kit available for the MAX187CCPA+?
- What are some typical applications for the MAX187CCPA+?
Typical applications include remote DSP and sensor applications, data acquisition systems, and circuits where power consumption and space are critical.
- How does the MAX187CCPA+ handle reference voltage?
The MAX187CCPA+ has an on-chip buffered reference, but it can also operate with an external reference voltage.
