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LC2MOS Analog I/O Port
AD7769*
FEATURES Two-Channel, 8-Bit 2.5 s ADC Two 8-Bit, 2.5 s DACs with Output Amplifiers Span and Offset of ADC and DAC
Independently Adjustable Low Power
FUNCTIONAL BLOCK DIAGRAM
APPLICATIONS
Winchester Disk Servo Controllers Floppy Disk Microstepping Closed Loop Servo Systems
OGENERAL DESCRIPTION BThe AD7769 is a complete, two-channel, 8-bit, analog I/O port. SIt has versatile input and output signal conditioning features
that make it ideal for use in head-positioning servos in Winches-
Oter disk systems. It is equally suitable for floppy disk microstep-
ping head positioning, other closed loop digital servo systems
Land general purpose 8-bit data acquisition.