TA2109F 데이터 시트보기 (PDF) - Toshiba
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TA2109F Datasheet PDF : 9 Pages
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TA2109F
Pin Function
Pin
No.
Symbol
1
VCC
2
FNI
3
FPI
4
TPI
5
TNI
6
MDI
7
LDO
8
SEL
9
TEB
10
2VRO
11
TEN
12
TEO
13
SBAD
14
FEO
15
FEN
16
VRO
17
RFRP
18
RFIS
19 RFGO
20 RFGC
21
AGCI
22
RFO
23
GND
24
RFN
I/O
Functional Description
Remark
― Power supply input terminal
―
I Main beam I-V amp input terminal
Connected to pin diode A, C
I Main beam I-V amp input terminal
Connected to pin diode B, D
I Sub beam I-V amp input terminal
Connected to pin diode F
I Sub beam I-V amp input terminal
Connected to pin diode E
I Monitor photo diode amp input terminal
Connected to monitor photo diode
O Laser diode amp output terminal
Connected to laser control circuit
I
Laser diode control signal input terminal
and APC circuit ON/OFF control signal input terminal
3 signal input
(VCC, HiZ, GND)
I
Tracking error balance adjustment signal input terminal Controlled 3 signal input
by 3 PWM signal (PWM carrier = 88.2 kHz)
(2 VREF, VR, GND)
O
Reference voltage (2 VREF) output terminal
2 VREF = 4.2 V when VCC = 5 V
―
I TE amp negative input terminal
Connected to TEO through
feedback register
O TE error signal output terminal
―
O Sub beam adder signal output terminal
―
O Focus error signal output terminal
―
I FE amp negative input terminal
Connected to FEO through
feedback register
O
Reference voltage (VREF) output terminal
VREF = 2.1 V when VCC = 5 V
―
O Track count signal output terminal
―
I RFRP detect circuit input terminal
Connected to RFO through
condenser
O RF gain signal output terminal
―
I
RF amplitude adjustment control signal input terminal
Controlled by 3 PWM signal (PWM carrier = 88.2 kHz)
I RF signal amplitude adjustment amp input terminal
3 signal input
(2 VREF, VR, GND)
Connected to RFO through
condenser
O RF signal output terminal
―
― Ground terminal
―
I RF amp negative input terminal
―
Maximum Ratings (Ta = 25°C)
Characteristics
Power supply voltage
Power dissipation
Operating temperature
Storage temperature
Symbol
Rating
Unit
VCC
PD
Topr
Tstg
8
V
400
mW
−40~85
°C
−55~150
°C
3
2002-08-06
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