Overview
The MAX1238LEEE+T is a low-power, 12-bit, multichannel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1236–MAX1239 family, known for their high performance and versatility in various analog-to-digital conversion applications. The MAX1238LEEE+T operates from a single supply voltage of 4.5V to 5.5V and features an I²C-compatible 2-wire serial interface, making it suitable for a wide range of industrial and consumer electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Analog Input Channels | 12 channels |
| Supply Voltage Range | 4.5V to 5.5V |
| Internal Reference Voltage | 4.096V |
| Sampling Rate | Up to 94.4 ksps |
| Supply Current at Maximum Sampling Rate | 670 µA (typ) |
| Supply Current in AutoShutdown Mode | < 1 µA |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 16-pin QSOP |
Key Features
- High-Speed I²C-Compatible Serial Interface with standard, fast, and high-speed modes (up to 1.7 MHz)
- Single-supply operation with low power consumption
- Internal track/hold (T/H) and voltage reference
- Software-configurable unipolar or bipolar, and single-ended or differential operation
- AutoShutdown™ feature to reduce power consumption between conversions
- Fully differential analog inputs
Applications
The MAX1238LEEE+T is suitable for various applications requiring precise analog-to-digital conversion, including industrial control systems, medical devices, automotive systems, and consumer electronics. Its low power consumption and high-speed interface make it particularly useful in battery-powered devices and systems requiring fast data acquisition.
Q & A
- What is the resolution of the MAX1238LEEE+T ADC?
The MAX1238LEEE+T has a resolution of 12 bits. - How many analog input channels does the MAX1238LEEE+T have?
The MAX1238LEEE+T has 12 analog input channels. - What is the supply voltage range for the MAX1238LEEE+T?
The supply voltage range is 4.5V to 5.5V. - What is the internal reference voltage of the MAX1238LEEE+T?
The internal reference voltage is 4.096V. - What is the maximum sampling rate of the MAX1238LEEE+T?
The maximum sampling rate is up to 94.4 ksps. - How much current does the MAX1238LEEE+T consume at maximum sampling rate?
The supply current at the maximum sampling rate is 670 µA (typ). - What is the operating temperature range of the MAX1238LEEE+T?
The operating temperature range is -40°C to +85°C. - In what package is the MAX1238LEEE+T available?
The MAX1238LEEE+T is available in a 16-pin QSOP package. - Does the MAX1238LEEE+T support differential operation?
Yes, the MAX1238LEEE+T supports differential operation and can be configured for single-ended or differential modes. - What is the purpose of the AutoShutdown feature in the MAX1238LEEE+T?
The AutoShutdown feature powers down the device between conversions, reducing the supply current to less than 1 µA at low throughput rates.
