Overview
The MAX1178BCUP+ 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 MAX1178/MAX1188 family, known for their high performance and low power consumption. The MAX1178BCUP+ operates from a single +4.75V to +5.25V analog supply and features a separate digital supply input for direct interface with +2.7V to +5.25V digital logic. It is ideal for high-performance, battery-powered, data-acquisition applications due to its excellent AC and DC performance characteristics.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sampling Rate | 135ksps |
| Analog Input Voltage Range | ±5V |
| Analog Supply Voltage | +4.75V to +5.25V |
| Digital Supply Voltage | +2.7V to +5.25V |
| Integral Nonlinearity (INL) | ±2 LSB |
| Differential Nonlinearity (DNL) | ±1 LSB |
| Supply Current (External Reference) | 2.9mA |
| Supply Current (Internal Reference) | 3.8mA |
| AutoShutdown Current | 0.4mA at 10ksps |
| Package Type | 20-Pin TSSOP |
| Operating Temperature Range | -40°C to +85°C (extended), 0°C to +70°C (commercial) |
Key Features
- Byte-Wide Parallel Interface
- Automatic Power-Down and AutoShutdown Mode
- Factory-Trimmed Internal Clock
- Input Scaler for True Bipolar Input Voltages
- Track and Hold (T/H) Stage
- Low Power Consumption
- Small Footprint in 20-Pin TSSOP Package
- Excellent AC Performance (THD = -100dB)
- High DC Accuracy (±2 LSB INL)
Applications
- Data Acquisition Systems
- I/O Modules
- Industrial Process Controls
- Precision Instrumentation
- Temperature Sensing and Monitoring
- Battery-Powered Devices
Q & A
- What is the resolution of the MAX1178BCUP+ ADC?
The MAX1178BCUP+ has a 16-bit resolution.
- What is the sampling rate of the MAX1178BCUP+?
The sampling rate is up to 135ksps.
- What is the analog input voltage range for the MAX1178BCUP+?
The analog input voltage range is ±5V.
- What are the power supply requirements for the MAX1178BCUP+?
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 typical supply current when using an external reference?
The typical supply current is 2.9mA when using an external reference.
- What is the AutoShutdown current at 10ksps?
The AutoShutdown current is 0.4mA at 10ksps.
- In what package type is the MAX1178BCUP+ available?
The device is available in a 20-Pin TSSOP package.
- What are the operating temperature ranges for the MAX1178BCUP+?
The device is fully specified 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 MAX1178BCUP+?
Typical applications include data acquisition systems, I/O modules, industrial process controls, precision instrumentation, and temperature sensing and monitoring.
- What is the significance of the input scaler in the MAX1178BCUP+?
The input scaler allows for the conversion of true bipolar input voltages and input voltages greater than the power supply, while operating from a single +5V analog supply.
