Overview
The MAX1037KEKA+T is a low-power, 8-bit, multichannel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1036–MAX1039 series, which features internal track/hold (T/H), voltage reference, clock, and an I²C-compatible 2-wire serial interface. The MAX1037 specifically has four analog input channels and operates from a single supply voltage ranging from 2.7V to 3.6V or 4.5V to 5.5V. It is designed for high-speed and low-power applications, making it suitable for various industrial and automotive uses.
Key Specifications
| Specification | Value |
|---|---|
| Resolution (Bits) | 8-bit |
| Sampling Rate | 188 kSPS |
| Input Channel Type | Pseudo Differential, Single Ended |
| Data Interface | I²C |
| Supply Voltage Type | Single |
| Supply Voltage Min | 2.7V |
| Supply Voltage Max | 3.6V |
| No. of Pins | 8 Pins |
| ADC / DAC Case Style | SOT-23 |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Internal Reference Voltage | 2.048V (MAX1037/MAX1039), 4.096V (MAX1036/MAX1038) |
Key Features
- High-speed I²C-compatible serial interface supporting data rates up to 1.7MHz.
- Low power consumption: 350µA at maximum sampling rate and less than 1µA in Auto-Shutdown mode.
- Software configurable for unipolar or bipolar and single-ended or pseudo-differential operation.
- Internal track/hold (T/H), voltage reference, and clock.
- Full-scale analog input range determined by internal reference or external reference voltage (1V to VDD).
- High dynamic performance: SINAD of 49 dB, THD up to the 5th harmonic of -69 dB, and SFDR of 69 dB.
Applications
The MAX1037KEKA+T is suitable for a variety of applications, including industrial automation, automotive systems, medical devices, and any scenario requiring low-power, high-speed analog-to-digital conversion. Its ability to operate over an extended industrial temperature range (-40°C to +85°C) makes it particularly robust for harsh environments.
Q & A
- What is the resolution of the MAX1037KEKA+T ADC?
The MAX1037KEKA+T has an 8-bit resolution. - What is the maximum sampling rate of the MAX1037KEKA+T?
The maximum sampling rate is 188 kSPS. - What types of input channels does the MAX1037KEKA+T support?
The device supports pseudo-differential and single-ended input channels. - What is the data interface used by the MAX1037KEKA+T?
The device uses an I²C-compatible 2-wire serial interface. - What is the supply voltage range for the MAX1037KEKA+T?
The supply voltage range is from 2.7V to 3.6V or 4.5V to 5.5V. - How many analog input channels does the MAX1037KEKA+T have?
The MAX1037KEKA+T has four analog input channels. - What is the internal reference voltage for the MAX1037KEKA+T?
The internal reference voltage for the MAX1037 is 2.048V. - What is the operating temperature range for the MAX1037KEKA+T?
The operating temperature range is from -40°C to +85°C. - How does the Auto-Shutdown feature work?
The Auto-Shutdown feature powers down the device between conversions, reducing the supply current to less than 1µA at low throughput rates. - What is the dynamic performance of the MAX1037KEKA+T?
The device has a SINAD of 49 dB, THD up to the 5th harmonic of -69 dB, and SFDR of 69 dB.
