Creator Electronics MAX1301 Especificaciones descargar pdf (Pagina 71)

Sensors

Pressure sensors and weigh scales (force sensing)

66 Maxim Industrial Solutions

Benefits

• Saves cost and board space by

interfacing directly with a micropro-

cessor or control unit

– SPI-compatible interface eliminates

need for interface stage

– GPIO terminals facilitate instrument

control, system warning, and two-way

signaling

• Multichannel functionality reduces

BOM cost, improves performance, and

saves space

– Use one multichannel device instead of

multiple devices , so measurements are

more comparable and costs lowered

– Highly integrated conditioner minimizes

component requirements and saves

board space

– No external trim components required

for a calibrated and accurate output

• Adaptable compensation algorithm

optimizes sensor performance

– User can customize the compensation

algorithm suitable for the application

– Compensation algorithm is stored in

on-chip nonvolatile (NV) flash memory

• Reduces product development time

– Flexible for use in products requiring

digital output, voltage output, PWM

output, or a 4–20mA current loop

– Integrated microprocessor with only 16

instructions makes programming easy

– Suitable for use with many types of

transducers

MAX1464

The MAX1464 is a highly integrated, digital, multichannel sensor signal

conditioner optimized for industrial process-control and automotive

applications. Typical implementations include pressure sensing, RTD

and thermocouple linearization, weight sensing/classification, and

remote process monitoring with limit indication. The MAX1464

simplifies designs and improves manufacturing efficiency by accepting

sensors with either single-ended or differential outputs. It provides

comprehensive temperature compensation without requiring any

external trim components. A calibrated output signal can be driven

independently through an SPI-compatible interface, voltage-output

DACs, or PWM terminals. The MAX1464 integrates a 16-bit CPU; 4kB of

flash memory for a user-programmable compensation algorithm and

128 bytes for user information; and two general-purpose inputs/

outputs (GPIOs). It has a flexible dual op-amp output block and

supports 4–20mA applications.

Low-power, low-noise, multichannel sensor signal processor saves cost and

board space

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