
Integrated Device Technology
Brief Description
The ZSSC3027 is a sensor signal conditioner (SSC) integrated circuit for high-accuracy amplification and analog-to-digital conversion of a differential input signal. Designed for high-resolution altimeter module applications, the ZSSC3027 can perform offset, span, and 1st and 2nd order temperature compensation of the measured signal. Developed for correction of resistive bridge sensors, it can also provide a corrected temperature output measured with an internal sensor.
FEATUREs
• Flexible, programmable analog front-end design;
up to 16-bit scalable, charge-balancing
two-segment analog-to-digital converter (ADC)
• Fully programmable gain amplifier accepting
sensors from 14 to 72 (linear factor)
• Internal auto-compensated temperature sensor
• Digital compensation of individual sensor offset;
1st and 2nd order digital compensation of sensor
gain as well as of 1st and 2nd order temperature
gain and offset drift
• Layout optimized for stacked-die bonding for
high-density chip-on-board assembly
• Typical sensor elements can achieve accuracy of
better than ±0.10% FSO** @ -40 to 85°C
APPLICATIONs
✦ Barometric altitude measurement for
portable navigation or emergency call
systems
✦ Altitude measurement for car navigation
✦ Inside hard disk pressure measurement
✦ Weather forecast
✦ Fan control
✦ Industrial, pneumatic, and liquid pressure
✦ High-resolution temperature measurements