Overview
The MAX1286EKA from Analog Devices Inc./Maxim Integrated is a low-cost, micropower, 12-bit analog-to-digital converter (ADC) designed for high-performance data acquisition. This device is part of the MAX1286–MAX1289 family and is available in a compact 8-pin SOT23 or 8-pin TDFN package. It operates with a single +5V supply and features a successive-approximation ADC architecture, making it ideal for applications requiring low power consumption and minimal space.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Number of A/D Converters | 1 |
| Number of Bits | 12 |
| Number of Inputs | 2 (single-ended) |
| Operating Temperature | -40°C to 85°C |
| Package / Case | SOT-23-8 |
| Supply Voltage (Analog) | 5V |
| Supply Voltage (Digital) | 5V |
| Sampling Rate | 150ksps |
| Conversion Time | 3.7 µs (excluding acquisition time) |
| TH Acquisition Time | 1.4 µs |
| Aperture Delay | 30 ns |
| Aperture Jitter | <50 ps |
| Power Consumption | 0.5mW at 150ksps |
| AutoShutdown Current | 0.2µA |
Key Features
- Successive-approximation ADC architecture
- Automatic shutdown and fast wakeup (1.4µs)
- High-speed 3-wire SPI/QSPI/MICROWIRE-compatible serial interface
- Low power consumption: 0.5mW at 150ksps
- AutoShutdown™ feature reduces power consumption between conversions
- Excellent dynamic performance: SINAD of 70 dB, THD of -82 dB, and SFDR of 86 dB
- Compact package: 8-pin SOT23 or 8-pin TDFN
Applications
The MAX1286EKA is suitable for various applications that require low power consumption and minimal space, such as:
- Portable battery-powered data-acquisition systems
- Industrial control and monitoring systems
- Medical devices and diagnostic equipment
- Aerospace and defense applications
- Automotive and industrial automation systems
Q & A
- What is the resolution of the MAX1286EKA ADC?
The MAX1286EKA has a resolution of 12 bits.
- How many input channels does the MAX1286EKA have?
The MAX1286EKA has 2 single-ended input channels.
- What is the operating temperature range of the MAX1286EKA?
The operating temperature range is -40°C to 85°C.
- What is the sampling rate of the MAX1286EKA?
The sampling rate is up to 150ksps.
- What is the power consumption of the MAX1286EKA at maximum sampling rate?
The power consumption is 0.5mW at 150ksps.
- Does the MAX1286EKA have an automatic shutdown feature?
Yes, it features an AutoShutdown™ mode that reduces power consumption between conversions.
- What type of serial interface does the MAX1286EKA use?
The MAX1286EKA uses a 3-wire SPI/QSPI/MICROWIRE-compatible serial interface.
- What is the package type of the MAX1286EKA?
The MAX1286EKA is available in an 8-pin SOT23 or 8-pin TDFN package.
- What are some typical applications for the MAX1286EKA?
Typical applications include portable battery-powered data-acquisition systems, industrial control and monitoring, medical devices, aerospace, and automotive systems.
- How does the MAX1286EKA handle input signals?
The MAX1286EKA accepts input signals from 0 to VREF for single-ended operations.
