Overview
The MAX1187BCUI+ is a 16-bit, low-power, successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed for high-performance, battery-powered data-acquisition applications. It features a single +4.75V to +5.25V analog supply and a separate digital supply input, allowing direct interface with +2.7V to +5.25V digital logic. The MAX1187 is known for its excellent AC performance and DC accuracy, making it suitable for various demanding applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sampling Rate | Up to 135ksps |
| Analog Input Voltage Range | 0 to +10V |
| Analog Supply Voltage | +4.75V to +5.25V |
| Digital Supply Voltage | +2.7V to +5.25V |
| Power Consumption | 23mW at 135ksps (external reference), 29mW (internal reference) |
| AutoShutdown Current | 0.4mA at 10ksps |
| Interface | 16-bit wide parallel interface |
| Package | 28-pin TSSOP |
| Operating Temperature Range | -40°C to +85°C (extended), 0°C to +70°C (commercial) |
Key Features
- Successive-approximation ADC with integrated track-and-hold (T/H) stage
- Automatic power-down and AutoShutdown™ to reduce power consumption
- Factory-trimmed internal clock
- 16-bit wide parallel interface for high-speed data transfer
- Input scaler for converting true bipolar input voltages and input voltages greater than the power supply
- Excellent AC performance (THD = -100dB) and DC accuracy (±2 LSB INL)
Applications
- High-performance, battery-powered data-acquisition applications
- Industrial process control
- Precision instrumentation
- Medical applications
- Temperature sensing and monitoring
- Data-acquisition systems
Q & A
- What is the resolution of the MAX1187BCUI+ ADC?
The MAX1187BCUI+ has a resolution of 16 bits.
- What is the maximum sampling rate of the MAX1187BCUI+?
The maximum sampling rate is up to 135ksps.
- What is the analog input voltage range of the MAX1187BCUI+?
The analog input voltage range is from 0 to +10V.
- What are the power supply requirements for the MAX1187BCUI+?
The device operates from a single +4.75V to +5.25V analog supply and a separate digital supply input from +2.7V to +5.25V.
- How much power does the MAX1187BCUI+ consume at 135ksps?
The device consumes 23mW at 135ksps when using an external reference and 29mW when using the internal reference.
- What is the AutoShutdown current at 10ksps for the MAX1187BCUI+?
The AutoShutdown current is 0.4mA at 10ksps.
- What type of interface does the MAX1187BCUI+ use?
The device features a 16-bit wide parallel interface.
- In what package is the MAX1187BCUI+ available?
The device is available in a 28-pin TSSOP package.
- What are the operating temperature ranges for the MAX1187BCUI+?
The device is specified over the -40°C to +85°C extended temperature range and the 0°C to +70°C commercial temperature range.
- What are some typical applications for the MAX1187BCUI+?
Typical applications include high-performance data-acquisition, industrial process control, precision instrumentation, and medical applications.
