Overview
The MAX1139MEEE is a low-power, 10-bit, multichannel analog-to-digital converter (ADC) produced by Maxim Integrated. This device is part of the MAX1136–MAX1139 series and is designed for high-performance and low-power applications. It features an internal track/hold (T/H), voltage reference, clock, and a high-speed I2C-compatible serial interface. The MAX1139MEEE is suitable for a variety of applications requiring precise analog-to-digital conversion with minimal power consumption.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Channels | 12/6 | - |
| Architecture | SAR | - |
| Conversion Rate | 94.4 ksps | - |
| Resolution | 10 bit | - |
| Input Type | Single-Ended/Differential | - |
| Interface Type | I2C | - |
| Operating Supply Voltage | 2.7 V to 3.6 V | V |
| Maximum Operating Temperature | +85°C | °C |
| Minimum Operating Temperature | -40°C | °C |
| Package / Case | QSOP-16 | - |
| Maximum Power Dissipation | 666.7 mW | mW |
| Voltage Reference | Internal 2.048 V | V |
Key Features
- High-Speed I2C-Compatible Serial Interface with 400kHz Fast Mode and 1.7MHz High-Speed Mode
- Single-Supply Operation: 2.7V to 3.6V (MAX1137/MAX1139) and 4.5V to 5.5V (MAX1136/MAX1138)
- Internal Reference: 2.048V (MAX1137/MAX1139) and 4.096V (MAX1136/MAX1138)
- External Reference: 1V to VDD
- Internal Clock
- 4-Channel Single-Ended or 2-Channel Fully Differential (MAX1136/MAX1137) and 12-Channel Single-Ended or 6-Channel Fully Differential (MAX1138/MAX1139)
- Internal FIFO with Channel-Scan Mode
- Low Power Consumption: 670μA at 94.4ksps, 230μA at 40ksps, 60μA at 10ksps, 6μA at 1ksps, and 0.5μA in Power-Down Mode
- Software-Configurable Unipolar/Bipolar Operation
- Small Packages: 16-Pin QSOP (MAX1138/MAX1139)
Applications
- Battery-Powered Test Equipment
- Handheld Portable Applications
- Medical Instruments
- Receive Signal Strength Indicators
- Solar-Powered Remote Systems
- System Supervision
Q & A
- Q: What is the resolution of the MAX1139MEEE ADC?
A: The MAX1139MEEE has a 10-bit resolution.
- Q: What are the operating supply voltage ranges for the MAX1139MEEE?
A: The MAX1139MEEE operates from 2.7V to 3.6V.
- Q: What types of input configurations are supported by the MAX1139MEEE?
A: The MAX1139MEEE supports both single-ended and fully differential input configurations.
- Q: What is the maximum operating temperature for the MAX1139MEEE?
A: The maximum operating temperature is +85°C.
- Q: What is the package type for the MAX1139MEEE?
A: The MAX1139MEEE is available in a 16-Pin QSOP package.
- Q: What is the power consumption of the MAX1139MEEE at different sampling rates?
A: The power consumption is 670μA at 94.4ksps, 230μA at 40ksps, 60μA at 10ksps, 6μA at 1ksps, and 0.5μA in Power-Down Mode.
- Q: Does the MAX1139MEEE support external reference voltage?
A: Yes, the MAX1139MEEE can be configured to use an external reference voltage from 1V to VDD.
- Q: What is the internal voltage reference for the MAX1139MEEE?
A: The internal voltage reference is 2.048V.
- Q: What interface type does the MAX1139MEEE use?
A: The MAX1139MEEE uses an I2C-compatible serial interface.
- Q: What are some typical applications for the MAX1139MEEE?
A: Typical applications include battery-powered test equipment, handheld portable applications, medical instruments, receive signal strength indicators, solar-powered remote systems, and system supervision.
