UA8868 View Datasheet(PDF) - Unisonic Technologies
Part Name
Description
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UA8868 Datasheet PDF : 6 Pages
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UTC UA8868
LINEAR INTEGRATED CIRCUIT
PIN DESCRIPTION
PIN NO
PIN NAME
FUNCTION
1
VINFC
Input for focus driver
2
OP2IN-
Comparator 2 input (-)
3
OP2IN+
Comparator 2 input (+)
4
VINSL+
OPAMP input (+) for the sled driver
5
OP2OUT
Comparator 2 output
6
FWD
Tray driver forward input
7
REV
Tray driver reverse input
8
Vcc1
Vcc for pre-drive block and power block of sled and tray
9
VOTR-
Tray driver output (-)
10
VOTR+
Tray driver output (+)
11
VOSL-
Sled driver output (-)
12
VOSL+
Sled driver output (+)
13
VOFC-
Focus driver output (-)
14
VOFC+
Focus driver output (+)
15
VOTK+
Tracking driver output (+)
16
VOTK-
Tracking driver output (-)
17
VOLD+
Spindle driver output (+)
18
VOLD-
Spindle driver output (-)
19
Vcc2
Vcc for power block of spindle, tracking and focus
20
OP1OUT
Comparator 1 output
21
VCTL
Speed control input of tray driver
22
GND
Ground
23
VINLD
Input for spindle driver
24
OP1IN-
Comparator 1 input (-)
25
OP1IN+
Comparator 1 input (+)
26
VINTK
Input for tracking driver
27
BIAS
Input for reference voltage
28
MUTE
Input for mute control
Notes: Pin Name of + and – (output of drivers) means polarity to input pin. (For example, if voltage of pin1 is high, pin14
is high.)
ABSOLUTE MAXIMUM RATINGS
(Ta=25℃)
PARAMETER
SYMBOL
Supply Voltage
Vcc1
Vcc2
Power Dissipation
PD
Operating Temperature Range
Topr
Storage Temperature Range
Tstg
*When mounted on a 70mm ×70mm ×1.6mm glass epoxy board.
*Reduced by 13.6mW for each increase in Ta of 1℃ over 25℃
**Should not exceed Pd or ASO and Tj=150℃ values
RATINGS
13.5
*1.7
-20 ~ +85
**-40 ~ +150
UNIT
V
w
℃
℃
UTC UNISONIC TECHNOLOGIES CO., LTD.
2
www.unisonic.com.tw
QW-R109-020,B
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