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EM6415

EM Microelectronic
Part Number EM6415
Manufacturer EM Microelectronic
Description Sensor Signal Conditioner Circuit
Published Oct 7, 2005
Detailed Description EM MICROELECTRONIC - MARIN SA EM6415 Sensor Signal Conditioner Circuit with 14 bits A/D Converter Description The EM641...
Datasheet PDF File EM6415 PDF File

EM6415
EM6415


Overview
EM MICROELECTRONIC - MARIN SA EM6415 Sensor Signal Conditioner Circuit with 14 bits A/D Converter Description The EM6415 is a high resolution A/D converter in low voltage CMOS technology intended to be used as a programmable link between one to four resistive sensors and a microcontroller.
There is no need of external components for calibration, error curve compensation or offset and gain adjustment, nor external amplifiers and sensor bridge drive circuits.
After exposure to a calibration signal/profile, all conversion parameters and profile coefficients are self calculated and stored in an external EEPROM.
In addition to a programmable dual slope 10/13/14 bit A/D conversion, EM6415 allows individual compensation of not only sensor offset and full scale errors, but also temperature error compensation of the sensor zero point and sensitivity, dynamically during the conversion process.
EM6415 also contains a programmable sensor drive current source.
Features Full sensor system on chip Four sensor channel multiplexer Programmable Dual slope A/D converter Program selectable 10, 13 or 14 bit resolution ADC resolves 1µV/Bit Programmable sensor offset, gain and linearity High flexibility in zero adjust and full scale adjust Sensor error compensation performed by software Parallel 4 bit microcontroller interface Self calibration of conversion parameters and profile coefficients Ultra low noise differential input amplifier with mask programmable gain Excellent linearity over full transfer curve Programmable current source for sensor supplies.
Low supply voltage range 2.
2V – 3.
6 V Low operation current, 240 µA at 800 kHz, 3V Ultra low power consumption (at standby or after conversion down to less than 0.
1 µA) Small SSOP36-300mils package Applications Portable sensor instruments Telemetry Resistive sensor interfaces Automotive sensors Industrial process control Consumer instruments Typical Application VDD CAZ CI P3WAY RINT13_14 VDDA RSEN1 RSEN2 Sensor1 TS1 CH1H CH1L TS2 ...



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