Overview
The MAX1138LEEE+T is a low-power, 10-bit, multichannel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1136–MAX1139 series, which features internal track/hold (T/H), voltage reference, clock, and an I²C-compatible 2-wire serial interface. The MAX1138LEEE+T is designed for high-resolution data conversion and precise signal measurement and analysis.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Supply (Analog/Digital) | 4.5V to 5.5V |
| Operating Temperature | -40°C to +85°C |
| Number of Analog Input Channels | 12 |
| Resolution | 10-bit |
| Sampling Rate | Up to 94.4ksps |
| Supply Current (Maximum Sampling Rate) | 670µA |
| Supply Current (Low Throughput Rate) | < 1µA (AutoShutdown™) |
| Package/Case | 16-SSOP (0.154", 3.90mm Width) |
| Internal Reference Voltage | 4.096V |
Key Features
- Low power consumption with AutoShutdown™ feature to reduce supply current to less than 1µA at low throughput rates.
- I²C-compatible 2-wire serial interface for easy communication.
- Internal track/hold (T/H), voltage reference, and clock for simplified system design.
- Software configurable for unipolar or bipolar, and single-ended or differential operation.
- Fully differential analog inputs.
- Extended temperature range operation from -40°C to +85°C.
Applications
The MAX1138LEEE+T is suitable for various applications requiring precise signal measurement and analysis, such as industrial automation, medical devices, and automotive systems. Its low power consumption and high resolution make it ideal for battery-powered devices and systems where energy efficiency is crucial.
Q & A
- What is the voltage supply range for the MAX1138LEEE+T?
The MAX1138LEEE+T operates from a single supply of 4.5V to 5.5V. - How many analog input channels does the MAX1138LEEE+T have?
The MAX1138LEEE+T has 12 analog input channels. - What is the resolution of the MAX1138LEEE+T?
The MAX1138LEEE+T has a 10-bit resolution. - What is the maximum sampling rate of the MAX1138LEEE+T?
The maximum sampling rate is up to 94.4ksps. - How much current does the MAX1138LEEE+T consume at maximum sampling rate?
The supply current is 670µA at the maximum sampling rate. - What is the operating temperature range of the MAX1138LEEE+T?
The operating temperature range is from -40°C to +85°C. - What package type is the MAX1138LEEE+T available in?
The MAX1138LEEE+T is available in a 16-SSOP package. - Does the MAX1138LEEE+T have an internal reference voltage?
Yes, the MAX1138LEEE+T features a 4.096V internal reference voltage. - Can the analog inputs be configured for different modes?
Yes, the analog inputs are software configurable for unipolar or bipolar, and single-ended or differential operation. - What is the AutoShutdown™ feature?
The AutoShutdown™ feature powers down the device between conversions, reducing supply current to less than 1µA at low throughput rates.
