MAX1291BEEI+T

Number of A/D Converters:	1
Base Part Number:	MAX1291
Supplier Device Package:	28-QSOP
Package / Case:	28-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	1.8 V ~ 3.6 V
Voltage - Supply, Analog:	2.7 V ~ 3.6 V
Reference Type:	External, Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	MUX-S/H-ADC
Data Interface:	Parallel
Input Type:	Pseudo-Differential, Single Ended
Number of Inputs:	4, 8
Sampling Rate (Per Second):	250k
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX12 91BEEI+T is a highly integrated analog-to-digital converter (ADC) designed for low latency, low power applications such as motion sensors, medical instruments, wearables, and other applications requiring low power operation. The device is offered in the thermally enhanced TQFP package, with an adjustable sampling rate of up to 250 ksps. The MAX12 91BEEI+T features an integrated 8-bit SAR ADC, charge pump and low power amplifier on a single die. Its precision differential inputs have a programmable gain setting of up to a maximum of 1024. The power supply is adjustable from 1.8 V to 3.3 V and the temperature operating range is -40°C to +85°C. The combination of charge pump and low power amplifier, along with a differential input, provides excellent DC performance over temperature and pressure. The amplifier features low power consumption, DC step accuracy and reduced noise for improved sensitivity. The ADC on the MAX12 91BEEI+T is an asynchronous SAR which is optimized for low power consumption and low latency. It can be operated from a single supply and can sample input signals up to 250 ksps. The oscillator frequency is adjustable from 8 kHz to 48 kHz and the converter resolution is 8 bits. A versatile input multiplexer allows wide dynamic range and versatile interfacing, and the device features input range selection and an on-chip reference. The ADC works with single-ended or differential inputs, making it suitable for various input configurations. The device is capable of both single-ended to differential conversion, and differential to differential conversion. The MAX12 91BEEI+T includes a variety of digital features, including four interrupt levels, a powerful digital filter and a dual-lane interface. The device also has configurable accuracy and jitter, as well as power-down and standby modes. Overall, the MAX12 91BEEI+T is an ideal choice for designers who require precision, low power, low latency and high reliability in an ADC. Its high level of integration, flexible input range selection and low power consumption make it suitable for a wide range of applications.

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