Overview
The MAX1139ATJ+T, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 10-bit, multichannel analog-to-digital converter (ADC) designed for a variety of applications requiring high precision and low power consumption. This device features an I²C-compatible 2-wire serial interface and operates from a single supply voltage of 2.7V to 3.6V. It is part of the MAX1136–MAX1139 family, which includes devices with 4 or 12 analog input channels, making it versatile for different design needs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 10-bit | |
| Number of Channels | 12 | |
| Supply Voltage | 2.7V to 3.6V | V |
| Maximum Sampling Rate | 94.4 ksps | sps |
| Supply Current at Maximum Sampling Rate | 670 µA | µA |
| Supply Current at Low Throughput Rates | < 1 µA | µA |
| Internal Reference Voltage | 2.048V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 16-pin QSOP | |
| Interface | I²C-compatible 2-wire serial |
Key Features
- Internal track/hold (T/H), voltage reference, and clock.
- I²C-compatible 2-wire serial interface with 400kHz fast mode and 1.7MHz high-speed mode.
- AutoShutdown™ feature to reduce supply current to less than 1µA at low throughput rates.
- Fully differential analog inputs configurable for unipolar or bipolar, single-ended or differential operation.
- Software-configurable analog input channels.
- Low power consumption with supply current below 230µA for sampling rates under 46ksps.
Applications
- Medical Instruments
- Battery-Powered Test Equipment
- Solar-Powered Remote Systems
- Received-Signal-Strength Indicators
- System Supervision
Q & A
- What is the resolution of the MAX1139ATJ+T ADC?
The MAX1139ATJ+T has a resolution of 10 bits. - How many analog input channels does the MAX1139ATJ+T have?
The MAX1139ATJ+T has 12 analog input channels. - What is the supply voltage range for the MAX1139ATJ+T?
The supply voltage range is 2.7V to 3.6V. - What is the maximum sampling rate of the MAX1139ATJ+T?
The maximum sampling rate is 94.4 ksps. - How much current does the MAX1139ATJ+T consume at maximum sampling rate?
The supply current at the maximum sampling rate is 670 µA. - What is the internal reference voltage of the MAX1139ATJ+T?
The internal reference voltage is 2.048V. - What is the operating temperature range of the MAX1139ATJ+T?
The operating temperature range is -40°C to +85°C. - What type of package does the MAX1139ATJ+T come in?
The MAX1139ATJ+T comes in a 16-pin QSOP package. - What interface does the MAX1139ATJ+T use?
The MAX1139ATJ+T uses an I²C-compatible 2-wire serial interface. - What is the AutoShutdown™ feature in the MAX1139ATJ+T?
The AutoShutdown™ feature powers down the device between conversions, reducing supply current to less than 1µA at low throughput rates.
