SM8610CV Datasheet, PDF (3/9 Pages) Nippon Precision Circuits Inc – Laser Switching Driver IC

SM8610CV
PIN DESCRIPTION
Number
1
2
3
Name
LDISET
NC
MUTE
i/o
Description
o Laser drive maximum current setting resistor connection
– No connection (must be open)
Muting signal
DMUTE
Laser drive state
ip
L
Laser switching drive
H
Laser constant-current drive
4
PCK
i Data extract clock input
5
DUTYADJ o Laser switching pulse duty adjust
Focus servo lead-in signal
6
FLOCK
ip
FLOCK
L
H
Laser drive state
Laser constant-current drive
Laser switching drive
7
NC
– No connection (must be open)
8
GND
– Ground connection
9
PDVIN
i Laser current monitor voltage input
10
NC
– No connection (must be open)
Laser drive current stop signal input
11
LDOFF
ip
LDOFF
L
H
Laser drive state
Laser drive OFF
In this state, the SM8610CV is in power-save mode.
Laser drive ON
12
LDIOUT
o Laser drive current output
13
VCC
– 2.4V supply voltage
14
RG2
o Laser control loop gain setting resistor connection
15
NC
– No connection (must be open)
16
RG1
o Laser control loop gain setting resistor connection
ip: Built-in pull-down resistor
NIPPON PRECISION CIRCUITS INC.—3