Overview
The MAX1187AEUI+ is a 16-bit, low-power, successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1179/MAX1187/MAX1189 family and is designed for high-performance, battery-powered data-acquisition applications. It features automatic power-down, a factory-trimmed internal clock, and a 16-bit wide parallel interface, making it suitable for various industrial, instrumentation, and medical applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Resolution | RES | 16 | Bits | |||
| Analog Input Voltage Range | VIN | 0 | +10 | V | ||
| Analog Supply Voltage | AVDD | 4.75 | 5.25 | 5.25 | V | |
| Digital Supply Voltage | DVDD | 2.7 | 5.25 | V | ||
| Sampling Rate | fS | 135 | ksps | |||
| Signal-to-Noise Plus Distortion (SINAD) | SINAD | fIN = 1kHz, VAIN = full range | 86 | 90 | dB | |
| Signal-to-Noise Ratio (SNR) | SNR | fIN = 1kHz, VAIN = full range | 87 | 91 | dB | |
| Total Harmonic Distortion (THD) | THD | fIN = 1kHz, VAIN = full range | -100 | -92 | dB | |
| Integral Nonlinearity (INL) | INL | -2 | +2 | LSB | ||
| Offset Error | VOS | -10 | 0 | +10 | mV | |
| Gain Error | EG | ±0.2 | %FSR | |||
| Power Consumption (External Reference) | P | 135ksps | 23 | mW | ||
| Power Consumption (Internal Reference) | P | 135ksps | 29 | mW | ||
| Shutdown Supply Current | ISHDN | 10ksps | 0.4 | mA |
Key Features
- 16-bit resolution with successive-approximation (SAR) conversion technique and an inherent track-and-hold (T/H) stage.
- Single +4.75V to +5.25V analog supply and separate digital supply input for +2.7V to +5.25V digital logic.
- Analog input voltage range of 0 to +10V.
- High-speed 16-bit wide parallel interface for direct connection to microprocessors.
- Automatic power-down and low-power operation, consuming only 23mW at 135ksps with an external reference.
- Excellent AC performance with THD of -100dB and DC accuracy with INL of ±2 LSB.
- Available in a 28-pin TSSOP package, fully specified over the -40°C to +85°C extended temperature range.
Applications
- Industrial process control and instrumentation.
- Medical applications requiring high accuracy and low power consumption.
- Battery-powered data-acquisition systems.
- Automotive and aerospace applications where reliability and precision are critical.
- High-performance measurement and control systems.
Q & A
- What is the resolution of the MAX1187AEUI+ ADC?
The MAX1187AEUI+ has a 16-bit resolution.
- What is the analog input voltage range of the MAX1187AEUI+?
The MAX1187AEUI+ accepts an analog input voltage range from 0 to +10V.
- What are the power supply requirements for the MAX1187AEUI+?
The device operates from a single +4.75V to +5.25V analog supply and has a separate digital supply input for +2.7V to +5.25V digital logic.
- What is the sampling rate of the MAX1187AEUI+?
The MAX1187AEUI+ has a sampling rate of up to 135ksps.
- How much power does the MAX1187AEUI+ consume during operation?
The device consumes 23mW at 135ksps when using an external reference and 29mW when using the internal reference.
- What is the temperature range for the MAX1187AEUI+?
The device is fully specified over the -40°C to +85°C extended temperature range.
- What kind of interface does the MAX1187AEUI+ use?
The MAX1187AEUI+ features a 16-bit wide parallel interface for high-speed data transfer.
- Does the MAX1187AEUI+ have automatic power-down capabilities?
Yes, the device has automatic power-down and low-power operation modes to reduce power consumption.
- What are some typical applications for the MAX1187AEUI+?
Typical applications include industrial process control, medical devices, battery-powered data-acquisition systems, and high-performance measurement and control systems.
- What is the package type for the MAX1187AEUI+?
The device is available in a 28-pin TSSOP package.
