This part is a kind of semiconductor called 7809LP.

Function of this product has 16-Bit Latchup Protected Analog to Digital Converter.

Manufacturers : Maxwell Technologies

Image and pinout :

Some of the text within the PDF file :

16-Bit Latchup Protected Analog to Digital Converter 7809LP R/C CS POWER DOWN Successive Approximation Register and Control Logic Clock CDAC 20 kΩ R1IN 10 kΩ R2IN 5 kΩ R3IN 20 kΩ Serial Data Comparator Serial Data Out Data Clock BUSY CAP Buffer 4 kΩ REF Internal +2.5V Ref. Memory Logic Diagram FEATURES: • RAD-PAK® radiation-hardened against natural • space radiation • Total dose hardness: - > 100 krad (Si), depending upon space mission • Latch-up Protection Technology (LPTTM) • SEL converted into a reset - Rate based on cross section and mission • Same footprint as ADS7809 • Package: 24 pin RAD-PAK flat package • 100 kHz min sampling rate • ±10 V and 0 V to 5 V input range • DNL: 15-bits “No Missing Codes” • 83 dB min SINAD with 20 kHz input [ ... ]

7809LP PDF Datasheet Download