Overview
The MAX1177CCUP+ 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 automatic power-down, a factory-trimmed internal clock, and a byte-wide parallel interface. The MAX1177 operates from a single +4.75V to +5.25V analog supply and has a separate digital supply input for direct interface with +2.7V to +5.25V digital logic. The device accepts an analog input voltage range from 0 to +10V, making it suitable for various industrial, instrumentation, and medical applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sampling Rate | Up to 135ksps |
| Analog Supply Voltage | +4.75V to +5.25V |
| Digital Supply Voltage | +2.7V to +5.25V |
| Analog Input Voltage Range | 0 to +10V |
| Power Consumption | 26.5mW (external reference), 31mW (internal reference) |
| AutoShutdown Current | 0.4mA at 10ksps |
| Temperature Range | -40°C to +85°C (extended), 0°C to +70°C (commercial) |
| Package | 20-pin TSSOP |
| Integral Nonlinearity (INL) | ±3 LSB |
| Differential Nonlinearity (DNL) | ±1 LSB |
Key Features
- Byte-wide parallel interface for high-speed data transfer
- Automatic power-down and AutoShutdown™ to reduce power consumption
- Factory-trimmed internal clock for precise timing
- Single +4.75V to +5.25V analog supply voltage
- Separate digital supply input for direct interface with +2.7V to +5.25V digital logic
- Excellent AC performance (THD = -100dB) and DC accuracy
- Small footprint in a 20-pin TSSOP package
Applications
- High-performance, battery-powered data-acquisition systems
- Industrial process control and instrumentation
- Medical applications requiring high accuracy and low power consumption
- Temperature sensing and monitoring
- I/O modules and precision instrumentation
Q & A
- What is the resolution of the MAX1177 ADC?
The MAX1177 is a 16-bit analog-to-digital converter.
- What is the sampling rate of the MAX1177?
The MAX1177 can sample up to 135ksps.
- What is the analog input voltage range of the MAX1177?
The MAX1177 accepts an analog input voltage range from 0 to +10V.
- What are the power supply requirements for the MAX1177?
The MAX1177 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.
- How does the AutoShutdown feature work in the MAX1177?
The AutoShutdown feature reduces the supply current to 0.4mA at 10ksps.
- What is the temperature range for the MAX1177?
The MAX1177 is fully specified over the -40°C to +85°C extended temperature range and the 0°C to +70°C commercial temperature range.
- What type of package is the MAX1177 available in?
The MAX1177 is available in a 20-pin TSSOP package.
- What are the key applications of the MAX1177?
The MAX1177 is ideal for high-performance, battery-powered data-acquisition systems, industrial process control, instrumentation, medical applications, temperature sensing, and precision instrumentation.
- How accurate is the MAX1177 in terms of INL and DNL?
The MAX1177 has an integral nonlinearity (INL) of ±3 LSB and a differential nonlinearity (DNL) of ±1 LSB.
- What is the typical power consumption of the MAX1177?
The MAX1177 consumes no more than 26.5mW at 135ksps with an external reference and 31mW with the internal reference.
