Overview
The MAX1237LEUA+ is a low-power, 12-bit, multichannel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed for high-speed analog-to-digital conversion, making it suitable for accurate signal measurement in various applications. It operates from a single supply voltage of 2.7V to 3.6V and features an I²C-compatible 2-wire serial interface for easy communication with microcontrollers or other digital systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 94.4 ksamples/s |
| Number of Inputs | 2, 4 |
| Input Type | Differential, Single Ended |
| Data Interface | I²C |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 2.7V ~ 3.6V |
| Voltage - Supply, Digital | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
Key Features
- Low power consumption: The device consumes 670µA at the maximum sampling rate of 94.4ksps and reduces to less than 1µA in AutoShutdown™ mode at low throughput rates.
- Internal track/hold (T/H), voltage reference, and clock: Reduces the need for external components.
- I²C-compatible 2-wire serial interface: Supports standard, fast, and high-speed modes.
- Software configurable inputs: Can be set for unipolar or bipolar, and single-ended or differential operation.
- External reference option: Allows for reference voltages from 1V to VDD.
- High accuracy: Features a 2.048V internal reference for MAX1237/MAX1239 models.
- Compact packaging: Available in 8-pin µMAX® and 8-pin MSOP packages.
Applications
The MAX1237LEUA+ is versatile and can be used in a variety of applications, including:
- Industrial and scientific measurements: Precise analog-to-digital conversion is crucial in these fields.
- Medical devices: Requires high accuracy and low power consumption.
- Automotive systems: Operates over a wide temperature range, making it suitable for automotive applications.
- Consumer electronics: Used in devices that require accurate signal measurement and low power consumption.
Q & A
- What is the resolution of the MAX1237LEUA+ ADC?
The MAX1237LEUA+ has a resolution of 12 bits.
- What is the maximum sampling rate of the MAX1237LEUA+?
The maximum sampling rate is 94.4 ksamples/s.
- How many analog input channels does the MAX1237LEUA+ have?
The MAX1237LEUA+ has 2 or 4 analog input channels.
- What types of input configurations are supported by the MAX1237LEUA+?
The device supports single-ended and differential input configurations.
- What is the operating voltage range of the MAX1237LEUA+?
The device operates from a single supply voltage of 2.7V to 3.6V.
- What is the power consumption of the MAX1237LEUA+ at maximum sampling rate?
The device consumes 670µA at the maximum sampling rate of 94.4ksps.
- Does the MAX1237LEUA+ support external reference voltage?
- What is the operating temperature range of the MAX1237LEUA+?
The device operates over a temperature range of -40°C to 85°C.
- What package types are available for the MAX1237LEUA+?
The device is available in 8-TSSOP and 8-MSOP packages.
- What interface does the MAX1237LEUA+ use for communication?
The device uses an I²C-compatible 2-wire serial interface.
