This part is a kind of semiconductor called AD669.

Function of this product has Monolithic 16-Bit DACPORT.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

a FEATURES Complete 16-Bit D/A Function On-Chip Output Amplifier High Stability Buried Zener Reference Monolithic BiMOS II Construction ؎1 LSB Integral Linearity Error 15-Bit Monotonic over Temperature Microprocessor Compatible 16-Bit Parallel Input Double-Buffered Latches Fast 40 ns Write Pulse Unipolar or Bipolar Output Low Glitch: 15 nV-s Low THD+N: 0.009% MIL-STD-883 Compliant Versions Available (MSB) DB15 7 CS 6 L1 5 LDAC 23 10k REF IN REF OUT 27 28 Monolithic 16-Bit DACPORT AD669 FUNCTIONAL BLOCK DIAGRAM (LSB) DB0 22 10k 10.05k 16-BIT LATCH 26 SPAN/ BIP OFF 16-BIT LATCH 16-BIT DAC AMP 25 VOUT 24 AGND 10V REF 1 –V EE 2 +VCC AD669 3 +VLL 4 DGND GENERAL DESCRIPTION PRODUCT HIGHLIGHTS The AD669 DACPORT® is a complete 16-bit monolithic D/A converter with an on-board referen [ ... ]

AD669 PDF Datasheet Download