Overview
The MAX11137ATI+T, produced by Analog Devices Inc./Maxim Integrated, is a high-performance, low-power, 16-channel analog-to-digital converter (ADC) designed for multichannel applications. This device features a successive approximation register (SAR) architecture and operates at a sampling rate of 500 kS/s. It is particularly suited for applications requiring high accuracy, flexibility, and low power consumption.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Channels | 16 | |
| Resolution | 12-bit | |
| Sampling Rate | 500 kS/s | |
| Interface Type | SPI | |
| Analog Supply Voltage | 2.35 V to 3.6 V | V |
| Digital Supply Voltage | 2.35 V to 3.6 V | V |
| Signal to Noise Ratio (SNR) | 72.6 dB | dB |
| Minimum Operating Temperature | -40°C | °C |
| Maximum Operating Temperature | +125°C | °C |
| Package/Case | TQFN-28 | |
| Reference Type | External | |
| Reference Voltage Range | 1 V to VDD | V |
Key Features
- Scan modes, internal averaging, and internal clock for flexible operation.
- 16-entry First-In-First-Out (FIFO) for efficient data handling.
- User-defined channel sequence (SampleSet) with a maximum length of 256.
- Analog multiplexer with true differential track/hold.
- Flexible input configuration: 16-/8-/4-channel single-ended, 8-/4-/2-channel fully differential pairs, and 15-/8-/4-channel pseudo-differential relative to a common input.
- Two software-selectable bipolar input ranges.
- High accuracy: ±1 LSB INL, ±1 LSB DNL, no missing codes over temperature range.
- 70 dB SINAD guaranteed at 250 kHz input frequency.
- Low power consumption: 4.2 mW at 500 kS/s with 3 V supplies, 2 µA full-shutdown current.
- External differential reference (1 V to VDD).
- 8 MHz, 3-wire SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface.
- Wide -40°C to +125°C operation range.
- Space-saving, 28-pin, 5mm x 5mm TQFN package.
Applications
The MAX11137ATI+T is ideal for various applications requiring multiple analog inputs, such as industrial automation, medical devices, data acquisition systems, and portable electronics. Its low power consumption and high accuracy make it particularly suitable for battery-powered devices and systems where energy efficiency is crucial.
Q & A
- What is the sampling rate of the MAX11137ATI+T?
The MAX11137ATI+T operates at a sampling rate of 500 kS/s. - How many channels does the MAX11137ATI+T support?
The device supports up to 16 channels. - What is the resolution of the MAX11137ATI+T?
The resolution is 12 bits. - What type of interface does the MAX11137ATI+T use?
The device uses an SPI interface. - What is the operating temperature range of the MAX11137ATI+T?
The operating temperature range is -40°C to +125°C. - What is the power consumption of the MAX11137ATI+T at 500 kS/s with 3 V supplies?
The power consumption is 4.2 mW. - Does the MAX11137ATI+T support external differential reference?
Yes, it supports an external differential reference (1 V to VDD). - What is the package type of the MAX11137ATI+T?
The device is packaged in a 28-pin, 5mm x 5mm TQFN package. - Is the MAX11137ATI+T suitable for battery-powered devices?
Yes, due to its low power consumption and full-shutdown current of 2 µA. - What are the input configurations supported by the MAX11137ATI+T?
The device supports single-ended, fully differential, and pseudo-differential input configurations.
