AD698SQ

The two performance grades available for the AD698 LVDT signal conditioner are: 1. AD698AP with a temperature range of -40 °C to +85 °C . 2. AD698SQ with a temperature range of -55 °C to +125 °C .

The key features of the AD698 LVDT signal conditioner mentioned in the document include: 1. Single chip solution with internal oscillator and voltage reference. 2. Interfaces to half-bridge, 4-wire LVDT with DC output proportional to position. 3. Frequency range of 20 Hz to 20 kHz and can decode AC bridge signals. 4. Outstanding performance with linearity of 0.05%, output voltage of 611 V, gain drift of 20 ppm/°C (typ), and offset drift of 5 ppm/°C (typ). 5. Complete, monolithic LVDT signal conditioning subsystem. 6. Operates with half-bridge LVDTs, LVDTs in series opposed configuration, and RVDTs. 7. Uses low distortion sine wave oscillator and synchronous demodulation channels for accurate signal processing. 8. Unique ratiometric architecture eliminates the need for adjustments and improves temperature stability. 9. Available in two performance grades with different temperature ranges and packages. 10. Provides a single chip solution to LVDT signal conditioning problems. 11. Can be used with various types of position sensors and accommodates a wide range of input and output voltages and frequencies. 12. Excitation frequency is determined by a single external capacitor. 13. Provides up to 24 volts rms to drive the LVDT primary and meets specifications with input levels as low as 100 millivolts rms. The AD698 LVDT signal conditioner offers a comprehensive solution for accurate and reliable signal processing in LVDT applications.

The temperature range for the AD698AP grade of the LVDT signal conditioner is -40 °C to +85 °C.