Overview
The MAX1115EKA+T is a low-power, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This single-supply ADC features an internal track/hold (T/H), voltage reference, VDD monitor, clock, and a 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices. It is designed for applications requiring high accuracy and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Converters | 1 Converter |
| Resolution | 8 bits |
| Operating Supply Voltage | +2.7V to +5.5V |
| Power Consumption | 175µA at 100ksps |
| Full-Scale Analog Input Range | +2.048V (internal reference) |
| Conversion Rate | Up to 100ksps |
| Shutdown Current | <1µA |
| Package Type | 8-pin SOT23 |
Key Features
- Internal track/hold (T/H) circuitry and voltage reference.
- AutoShutdown™ power-down mode reducing power consumption to <1µA when not in use.
- 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices.
- Low power consumption with average supply current as low as 0.3µA at 0.1ksps conversion rate.
- Successive-approximation conversion technique for high accuracy.
Applications
- Data acquisition systems.
- Industrial control and process control systems.
- Medical instrumentation.
- Automatic test equipment.
- Battery-powered devices due to low power consumption.
Q & A
- What is the resolution of the MAX1115EKA+T ADC?
The MAX1115EKA+T has an 8-bit resolution. - What is the operating supply voltage range for the MAX1115EKA+T?
The operating supply voltage range is from +2.7V to +5.5V. - What is the maximum conversion rate of the MAX1115EKA+T?
The MAX1115EKA+T can perform conversions up to 100ksps. - How much power does the MAX1115EKA+T consume during shutdown?
The MAX1115EKA+T consumes less than 1µA during shutdown. - What type of serial interface does the MAX1115EKA+T use?
The MAX1115EKA+T uses a 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices. - What is the full-scale analog input range for the MAX1115EKA+T?
The full-scale analog input range is determined by the internal reference of +2.048V. - What is the package type of the MAX1115EKA+T?
The MAX1115EKA+T is available in an 8-pin SOT23 package. - How does the AutoShutdown™ feature work?
The AutoShutdown™ feature automatically shuts down the device after a conversion is complete, reducing power consumption to <1µA. - What are some typical applications for the MAX1115EKA+T?
Typical applications include data acquisition systems, industrial control systems, medical instrumentation, and automatic test equipment. - What conversion technique does the MAX1115EKA+T use?
The MAX1115EKA+T uses a successive-approximation conversion technique.
