Overview
The MAX1287ETA+T is a low-cost, micropower, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1286–MAX1289 family and is designed for applications requiring high dynamic performance, low power consumption, and minimal space. It operates with a single +3V supply and is available in an 8-pin SOT23 or 8-pin TDFN package.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | Up to 150ksps |
| Supply Voltage | +2.7V to +3.6V |
| Input Channels | 2-channel single-ended or 1-channel true-differential |
| Interface | SPI-/QSPI-/MICROWIRE-compatible serial interface |
| Conversion Time | 3.7 µs (does not include tACQ) |
| T/H Acquisition Time | 1.4 µs |
| Aperture Delay | 30 ns |
| Aperture Jitter | <50 ps |
| Power Consumption | 245µA at 150ksps, 0.2µA in shutdown |
| Operating Temperature Range | -40°C to +85°C |
| Package | 8-pin SOT23 or 8-pin TDFN |
Key Features
- Single-supply operation (+3V)
- Automatic shutdown between conversions for reduced power consumption
- Fast wakeup time (1.4µs)
- High-speed 3-wire interface
- True-differential track/hold, 150kHz sampling rate
- Software-configurable unipolar/bipolar conversion (for MAX1288/MAX1289)
- Internal conversion clock
- Low power consumption (0.5mW at maximum sampling rate)
Applications
The MAX1287ETA+T is ideal for various applications that demand low power consumption and minimal space, including:
- Portable battery-powered data-acquisition systems
- Low-power data acquisition
- Portable temperature monitors
- Flowmeters
- Touch screens
Q & A
- What is the resolution of the MAX1287ETA+T ADC?
The MAX1287ETA+T has a 12-bit resolution. - What is the maximum sampling rate of the MAX1287ETA+T?
The maximum sampling rate is up to 150ksps. - What is the supply voltage range for the MAX1287ETA+T?
The supply voltage range is +2.7V to +3.6V. - What types of input channels does the MAX1287ETA+T support?
The device supports 2-channel single-ended or 1-channel true-differential input channels. - What interface does the MAX1287ETA+T use?
The device uses an SPI-/QSPI-/MICROWIRE-compatible serial interface. - What is the conversion time of the MAX1287ETA+T?
The conversion time is 3.7 µs (does not include tACQ). - How much power does the MAX1287ETA+T consume at 150ksps?
The power consumption is 245µA at 150ksps. - What is the operating temperature range of the MAX1287ETA+T?
The operating temperature range is -40°C to +85°C. - In what packages is the MAX1287ETA+T available?
The device is available in 8-pin SOT23 or 8-pin TDFN packages. - What is the aperture delay of the MAX1287ETA+T?
The aperture delay is 30 ns.
