Overview
The MAX1175AEUI+ is a 14-bit, low-power, successive-approximation 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-performance, battery-powered data-acquisition applications. It features automatic power-down, a factory-trimmed internal clock, and a 14-bit wide parallel interface. The MAX1175AEUI+ is ideal for applications requiring high DC accuracy and excellent AC performance, making it suitable for industrial process control, instrumentation, and medical applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 135 ksps |
| Analog Input Voltage Range | ±5V |
| Analog Supply Voltage | +4.75V to +5.25V |
| Digital Supply Voltage | +2.7V to +5.25V |
| Power Consumption (External Reference) | 23 mW at 135 ksps |
| Power Consumption (Internal Reference) | 29 mW at 135 ksps |
| AutoShutdown Current | 0.4 mA at 10 ksps |
| Integral Nonlinearity (INL) | ±1 LSB |
| Differential Nonlinearity (DNL) | ±1 LSB |
| Package | 28-pin TSSOP |
| Operating Temperature Range | -40°C to +85°C (extended), 0°C to +70°C (commercial) |
Key Features
- Analog input voltage range of ±5V
- 14-bit wide parallel interface
- Single +4.75V to +5.25V analog supply voltage
- Interfaces with +2.7V to +5.25V digital logic
- Low power consumption: 23 mW at 135 ksps with external reference, 29 mW with internal reference
- AutoShutdown mode reduces supply current to 0.4 mA at 10 ksps
- Small footprint in a 28-pin TSSOP package
- Excellent AC performance (THD = -100 dB) and DC accuracy (±1 LSB INL)
Applications
- Data Acquisition Systems
- I/O Modules
- Industrial Process Control
- Precision Instrumentation
- Temperature Sensing and Monitoring
- Medical Applications
Q & A
- What is the resolution of the MAX1175AEUI+ ADC?
The MAX1175AEUI+ has a resolution of 14 bits.
- What is the sampling rate of the MAX1175AEUI+?
The sampling rate of the MAX1175AEUI+ is 135 ksps.
- What is the analog input voltage range of the MAX1175AEUI+?
The analog input voltage range of the MAX1175AEUI+ is ±5V.
- What are the power consumption characteristics of the MAX1175AEUI+?
The MAX1175AEUI+ consumes 23 mW at 135 ksps with an external reference and 29 mW with the internal reference. In AutoShutdown mode, the supply current reduces to 0.4 mA at 10 ksps.
- What is the package type and pin count of the MAX1175AEUI+?
The MAX1175AEUI+ is available in a 28-pin TSSOP package.
- What are the operating temperature ranges for the MAX1175AEUI+?
The MAX1175AEUI+ operates 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 MAX1175AEUI+?
The MAX1175AEUI+ is suitable for data acquisition systems, I/O modules, industrial process control, precision instrumentation, temperature sensing and monitoring, and medical applications.
- How does the MAX1175AEUI+ interface with digital logic?
The MAX1175AEUI+ interfaces directly with +2.7V to +5.25V digital logic.
- What is the AC performance of the MAX1175AEUI+?
The MAX1175AEUI+ has excellent AC performance with a total harmonic distortion (THD) of -100 dB.
- What is the DC accuracy of the MAX1175AEUI+?
The MAX1175AEUI+ has a DC accuracy of ±1 LSB INL.
