Overview
The MAX1157AEUI+ is a high-performance, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1157/MAX1159/MAX1175 family and is designed for high-accuracy and low-power applications. It operates from a single +4.75V to +5.25V analog supply and features a separate digital supply input compatible with +2.7V to +5.25V digital logic. The MAX1157AEUI+ is ideal for battery-powered data-acquisition systems, industrial process control, instrumentation, and medical applications due to its excellent AC and DC performance.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | Up to 135ksps |
| Analog Supply Voltage | +4.75V to +5.25V |
| Digital Supply Voltage | +2.7V to +5.25V |
| Power Consumption | 23mW (external reference), 29mW (internal reference) |
| AutoShutdown Current | 0.4mA at 10ksps |
| Temperature Range | -40°C to +85°C (extended), 0°C to +70°C (commercial) |
| Package | 28-pin TSSOP |
| Analog Input Voltage Range | ±10V, ±5V, or 0 to 10V |
| Integral Nonlinearity (INL) | ±1LSB (max) |
| Differential Nonlinearity (DNL) | ±1LSB (max) |
Key Features
- High-resolution 14-bit ADC with excellent AC and DC performance (THD = -100dB, INL = ±1LSB, DNL = ±1LSB)
- Low power consumption: 23mW at 135ksps with external reference, 29mW with internal reference
- AutoShutdown™ feature reduces supply current to 0.4mA at 10ksps
- Single +4.75V to +5.25V analog supply and separate digital supply input compatible with +2.7V to +5.25V logic
- Wide analog input voltage range: ±10V, ±5V, or 0 to 10V
- 14-bit wide parallel interface
- Small footprint 28-pin TSSOP package
Applications
- Temperature Sensing and Monitoring
- Industrial Process Control
- I/O Modules
- Data-Acquisition Systems
- Precision Instrumentation
- Medical Applications
Q & A
- What is the resolution of the MAX1157AEUI+ ADC?
The MAX1157AEUI+ has a resolution of 14 bits.
- What is the maximum sampling rate of the MAX1157AEUI+?
The maximum sampling rate is up to 135ksps.
- What is the operating voltage range for the analog supply of the MAX1157AEUI+?
The analog supply voltage range is +4.75V to +5.25V.
- How much power does the MAX1157AEUI+ consume at 135ksps with an external reference?
The power consumption is 23mW at 135ksps with an external reference.
- What is the AutoShutdown current of the MAX1157AEUI+ at 10ksps?
The AutoShutdown current is 0.4mA at 10ksps.
- What is the temperature range for the MAX1157AEUI+?
The temperature range is -40°C to +85°C (extended) and 0°C to +70°C (commercial).
- What package type is the MAX1157AEUI+ available in?
The MAX1157AEUI+ is available in a 28-pin TSSOP package.
- What are the available analog input voltage ranges for the MAX1157AEUI+?
The available analog input voltage ranges are ±10V, ±5V, or 0 to 10V.
- What is the Integral Nonlinearity (INL) of the MAX1157AEUI+?
The Integral Nonlinearity (INL) is ±1LSB (max).
- In which applications is the MAX1157AEUI+ commonly used?
The MAX1157AEUI+ is commonly used in temperature sensing and monitoring, industrial process control, I/O modules, data-acquisition systems, precision instrumentation, and medical applications.
