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参数资料
| 型号： | TA2109F |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封装： | SSOP-24 |
| 文件页数： | 3/9页 |
| 文件大小： | 204K |
| 代理商： | TA2109F |
TA2109F
2002-08-06
3
Pin Function
Pin
No.
Symbol
I/O
Functional Description
Remark
1
VCC
―
Power supply input terminal
―
2
FNI
I
Main beam I-V amp input terminal
Connected to pin diode A, C
3
FPI
I
Main beam I-V amp input terminal
Connected to pin diode B, D
4
TPI
I
Sub beam I-V amp input terminal
Connected to pin diode F
5
TNI
I
Sub beam I-V amp input terminal
Connected to pin diode E
6
MDI
I
Monitor photo diode amp input terminal
Connected to monitor photo diode
7
LDO
O
Laser diode amp output terminal
Connected to laser control circuit
8
SEL
I
Laser diode control signal input terminal
and APC circuit ON/OFF control signal input terminal
3 signal input
(VCC, HiZ, GND)
9
TEB
I
Tracking error balance adjustment signal input terminal Controlled
by 3 PWM signal (PWM carrier = 88.2 kHz)
3 signal input
(2 VREF, VR, GND)
10
2VRO
O
Reference voltage (2 VREF) output terminal
2 VREF = 4.2 V when VCC = 5 V
―
11
TEN
I
TE amp negative input terminal
Connected to TEO through
feedback register
12
TEO
O
TE error signal output terminal
―
13
SBAD
O
Sub beam adder signal output terminal
―
14
FEO
O
Focus error signal output terminal
―
15
FEN
I
FE amp negative input terminal
Connected to FEO through
feedback register
16
VRO
O
Reference voltage (VREF) output terminal
VREF = 2.1 V when VCC = 5 V
―
17
RFRP
O
Track count signal output terminal
―
18
RFIS
I
RFRP detect circuit input terminal
Connected to RFO through
condenser
19
RFGO
O
RF gain signal output terminal
―
20
RFGC
I
RF amplitude adjustment control signal input terminal
Controlled by 3 PWM signal (PWM carrier = 88.2 kHz)
3 signal input
(2 VREF, VR, GND)
21
AGCI
I
RF signal amplitude adjustment amp input terminal
Connected to RFO through
condenser
22
RFO
O
RF signal output terminal
―
23
GND
―
Ground terminal
―
24
RFN
I
RF amp negative input terminal
―
Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
Power supply voltage
VCC
8
V
Power dissipation
PD
400
mW
Operating temperature
Topr
40~85
°C
Storage temperature
Tstg
55~150
°C
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