I/O Device

Tews TIP570
Industry Pack	PowerPC	v. 4.0
Analog to Digital Conversion

Tews' TIP570 is an IndustryPack®-compatible module with an optically isolated 16-channel multiplexed 12-bit ADC and an optically isolated eight-channel 12-bit DAC. The ADC can be software-configured to operate as 16 input channels in single-ended mode or eight input channels in differential mode.

The ADC input multiplexer is overvoltage-protected up to 70Vpp. A programmable gain amplifier supports gains of 1, 2, 5, 10. The full-scale input voltage range is +/-10V. The data acquisition and conversion time is mode-dependent: up to 10µs typical without channel or gain change, up to 12.5µs typical with channel or gain change. The eight-channel DAC full-scale output voltage is +/-10V.

The output amplifier is capable of sinking and sourcing 2mA for each DAC channel (1000pF load). The output voltage settles to 12 bits in 5µs typical. Each TIP570 is factory-calibrated. The calibration data is stored in the EEPROM unique to each IP.

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