Overview
The MAX1177ACUP+ 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.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sampling Rate | 135ksps |
| Analog Input Range | 0 to +10V |
| Analog Supply Voltage | +4.75V to +5.25V |
| Digital Supply Voltage | +2.7V to +5.25V |
| Power Consumption | 26.5mW (external reference), 31mW (internal reference) at 135ksps |
| AutoShutdown Current | 0.4mA at 10ksps |
| Package | 20-pin TSSOP |
| Operating Temperature Range | -40°C to +85°C (extended), 0°C to +70°C (commercial) |
| THD | -100dB |
| INL | ±3 LSB |
Key Features
- Automatic power-down and AutoShutdown to reduce power consumption
- Factory-trimmed internal clock for precise timing
- Byte-wide parallel interface for easy data transfer
- Excellent AC performance (THD = -100dB) and DC accuracy (±3 LSB INL)
- Separate analog and digital supply inputs for flexible system design
- Low power consumption, making it suitable for battery-powered applications
Applications
The MAX1177ACUP+ is ideal for various high-performance applications, including:
- Industrial process control
- Instrumentation
- Medical applications
- Battery-powered data-acquisition systems
Q & A
- What is the resolution of the MAX1177ACUP+ ADC?
The MAX1177ACUP+ has a 16-bit resolution. - What is the sampling rate of the MAX1177ACUP+?
The sampling rate is up to 135ksps. - What is the analog input voltage range of the MAX1177ACUP+?
The analog input voltage range is from 0 to +10V. - What are the power supply requirements for the MAX1177ACUP+?
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. - How much power does the MAX1177ACUP+ consume at 135ksps?
The power consumption is 26.5mW when using an external reference and 31mW when using the internal reference. - What is the AutoShutdown current of the MAX1177ACUP+ at 10ksps?
The AutoShutdown current is 0.4mA at 10ksps. - In what package is the MAX1177ACUP+ available?
The MAX1177ACUP+ is available in a 20-pin TSSOP package. - What is the operating temperature range of the MAX1177ACUP+?
The operating temperature range is -40°C to +85°C (extended) and 0°C to +70°C (commercial). - What are the typical applications of the MAX1177ACUP+?
The device is suitable for industrial process control, instrumentation, medical applications, and battery-powered data-acquisition systems. - What are the key features of the MAX1177ACUP+ that make it suitable for high-performance applications?
The key features include automatic power-down, a factory-trimmed internal clock, byte-wide parallel interface, excellent AC and DC performance, and low power consumption.
