This part is a kind of semiconductor called HA17741.

Function of this product has General-Purpose Operational Amplifier (Frequency Compensated).

Manufacturers : Hitachi Semiconductor

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Some of the text within the PDF file :

HA17741/PS General-Purpose Operational Amplifier (Frequency Compensated) Description The HA17741/PS is an internal phase compensation high-performance operational amplifier, that is appropriate for use in a wide range of applications in the test and control fields. Features • • • • • High voltage gain : 106 dB (Typ) Wide output amplitude : ±13 V (Typ) (at RL ≥ 2 kΩ) Shorted output protection Adjustable offset voltage Internal phase compensation Ordering Information Application Industrial use Commercial use Type No. HA17741PS HA17741 Package DP-8 Pin Arrangement Offset Null Vin(−) Vin(+) VEE 1 2 3 4 (Top view) − + 8 7 6 5 NC VCC Vout Offset Null HA17741/PS Circuit Structure VCC Vin(+) Vin(−) Vout To VCC To VCC VEE 1 Pin 5 Pin Offset Null Absolute Maximum R [ ... ]

HA17741 PDF Datasheet Download