ISL58792 Datasheet, PDF (2/16 Pages) Intersil Corporation – Laser Diode Driver with Serial Control and Write Current DAC

ISL58792
Application Block Diagram
VHI= +5V TO +9V
+5V
2.2µF
4.7µF
0.1µF
BEAD
2.2µF
0.1µF
0.1µF
WEN0
WEN0B
WEN1
WEN1B
WEN2
WEN2B
BSEL
RFREQ
IAPC
WEB
SCLK
SDIO
SEN
GND
WRITE
REGISTER
SELECTOR
SERIAL
INTERFACE
TR TF OVERSHOOT
ADJUST
SKEW
DETECT
AMPLITUDE
REGISTERS
(8EA)
SCALE DAC
WDAC2
WDAC1
BLUE
WDAC
VSO
AMPLITUDE
SS
OSC
AND
BUFFER
FREQ
X
GAIN
CONTROL
+
INTERNAL 2.5V
REGULATOR
READ
DAC
+
REFERENCE
BIAS AND
POWER
READ
VSL
GND
1µF
RSET
IBLUE
4.7µF
VSO
IOUT1
GND
0.1µF
IOUT2
VSO
ENA
0.1µF
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2
FN7580.3
December 14, 2015