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Analogue conditioner offers 15kV ESD protection

Posted: 19 May 2006     Print Version  Bookmark and Share

Keywords:MAX6603  analogue conditioner  resistive temperature devices  RTD  Maxim 

Maxim Integrated Products introduced has the MAX6603, a small analogue conditioner for interfacing resistive temperature devices (RTDs) to microcontrollers. It amplifies platinum RTD signals for ADC conversion and provides up to 15kV ESD protection. The MAX6603 is targeted for next-generation automotive engine-control systems that use exhaust temperature monitoring for EURO-IV emissions compliance.

The MAX6603 replaces expensive discrete solutions, reduces board space and protects sensitive microcontroller inputs, said Maxim. External RTD faults and system diagnostic status are indicated by a simple digital interface pin. The MA6603 has low RD excitation current, which is said to minimize self-heating errors and does not require calibration.

Housed in a small 10-pin TDFN, the MAX6603 offers 160C (max) accuracy from 4000C to 6000C with no calibration required. It operates from a 3V to 5.5V supply voltage range and over the -400C to 1250C automotive temperature range. Pricing begins at Rs.67.67 ($1.50) in quantities of 1,000 and up.

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