Specifications

Sensors
Recommended solutions
88 Maxim Industrial Solutions
Pressure sensors and weigh scale
Part Description Features Benefits
ADCs
MAX1415/16
MX7705
16-bit, low-power, 2-channel, sigma-
delta ADCs
Two differential channels; PGA; single-supply
operation
Highly flexible ADC; interfaces with a wide range of
sensors
MAX1400/01/02/03 18-bit, 5-channel delta-sigma ADCs Three differential channels; PGA; precision current
sources for excitation; burn-out detection
High integration produces a more precise sensor
that measures both pressure and temperature with
one ADC
MAX11040 24-bit, 4-channel, simultaneous-
sampling sigma-delta ADC
Cascadable up to 32 channels; 106dB SNR at
16ksps; overvoltage protection (OVP)
Eases design interface to sensors that require
multichannel accurate amplitude and phase
information
MAX11200*/01*/02* Ultra-low-power, sigma-delta ADCs 21-bit noise-free range at 10sps; 3V supply;
0.45mW; four general-purpose inputs/outputs
(GPIOs)
21 bits of noise-free range with minimal impact on
power budget
Sensor signal conditioners
MAX1452 Low-cost, precision, analog sensor
signal conditioner
Multitemperature calibration; current and voltage
excitation; fast 150ns response; single-pin
programmable; 4–20mA applications
Provides a flexible signal-conditioning platform for
a wide range of sensor applications, thus reducing
inventory
MAX1464 Low-power, low-noise, multichannel,
digital sensor signal processor
Integrates 16-bit ADC, DACs, and CPU;
programmable compensation algorithm; digital,
analog, and PWM outputs; 420mA applications
Accurate signal conditioner interfaces directly with
microcontroller to save space
Amplifiers
MAX9617/18 Ultra-precision, zero-drift op amps 1.5 MHz gain bandwidth (GBW); 59µA supply
current; 10µV (max) zero-drift input offset voltage
(V
OS
); single and dual packaging versions
Provide high-precision measurements for a wide
variety of low-frequency applications
MAX9943/44 High-voltage, precision, low-power
op amps
Wide 6V to 38V supply range; 2.4 MHz GBW Design flexibility for a wide range of applications
Recommended solutions
*Future part—contact factory for availability.
For a list of Maxim’s recommended pressure-sensor solutions, please go to: www.maxim-ic.com/psi.