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FEATURES 60 MHz Pulse Rate 8-Bit Resolution Center, Left or Right Justify Low Power: 700 mW typical Minimum Pulse Width: <5 ns Maximum PW: 100 % Full-scale
APPLICATIONS Laser Printers Digital Copiers Color Copiers
Pulse Width Modulator AD9561
FUNCTIONAL BLOCK DIAGRAM
AD9561
CLOCK
RSET CAL IN
INTERNAL TIMING
RAMP
CAL OUT
RAMP REF
CAL DAC
8-BIT DATA
SEM/DEM LEM/TEM RETRACE
LL AA TT CC HH
DAC
OUTPUT LOGIC
PWM OUT
CAL OUT
GENERAL DESCRIPTION The AD9561 is a second generation high speed, digitally programmable pulse width modulator (PWM). Output pulse width is proportional to an 8-bit DATA input value. Two additional control inputs determine if the pulse is placed at the beginning, middle or end of the clock period.
AD9561 Datasheet
