Overview
The MAX1238MEEE+ is a low-power, 12-bit, multichannel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed for industrial and instrumentation applications, including data acquisition systems, precision measurement, signal processing, and control systems. It features high-resolution conversion, low noise, and fast sampling rates, making it a reliable and robust solution for accurate and precise data acquisition. The MAX1238MEEE+ operates over an extended temperature range of -40°C to +85°C and is available in a 16-pin QSOP package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 12 | |
| Sampling Rate | 94.4 k | sps |
| Number of Inputs | 12 | |
| Input Type | Differential, Single-Ended | |
| Data Interface | I²C | |
| Supply Voltage Range | 2.7V to 3.6V, 4.5V to 5.5V | V |
| Supply Current (Max Sampling Rate) | 670 µA | |
| Supply Current (Low Throughput) | < 1 µA | |
| Internal Reference Voltage | 4.096 V (MAX1238) | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 16-SSOP (0.154", 3.90mm Width) |
Key Features
- 12-bit resolution
- 94.4 k samples per second sampling rate
- 12 analog input channels
- Differential and single-ended input types
- I²C-compatible 2-wire serial interface
- Single-shot architecture with 1:1 sample-to-hold ratio
- External and internal reference options
- AutoShutdown™ feature to reduce supply current between conversions
- High-speed I²C interface with fast mode (400 kHz) and high-speed mode (1.7 MHz)
Applications
- Industrial control systems
- Data acquisition systems
- Precision measurement instruments
- Signal processing applications
- Control systems
Q & A
- What is the resolution of the MAX1238MEEE+ ADC?
The MAX1238MEEE+ has a 12-bit resolution.
- What are the sampling rates of the MAX1238MEEE+?
The MAX1238MEEE+ can sample up to 94.4 k samples per second.
- How many analog input channels does the MAX1238MEEE+ have?
The MAX1238MEEE+ has 12 analog input channels.
- What types of input configurations are supported by the MAX1238MEEE+?
The MAX1238MEEE+ supports both differential and single-ended input types.
- What is the data interface used by the MAX1238MEEE+?
The MAX1238MEEE+ uses an I²C-compatible 2-wire serial interface.
- What are the supply voltage ranges for the MAX1238MEEE+?
The MAX1238MEEE+ operates from a single supply of 2.7V to 3.6V or 4.5V to 5.5V.
- What is the typical supply current at maximum sampling rate?
The supply current is typically 670 µA at the maximum sampling rate.
- What is the internal reference voltage for the MAX1238MEEE+?
The internal reference voltage for the MAX1238MEEE+ is 4.096 V.
- What is the operating temperature range of the MAX1238MEEE+?
The operating temperature range is -40°C to +85°C.
- What package type is the MAX1238MEEE+ available in?
The MAX1238MEEE+ is available in a 16-SSOP package.
