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參數(shù)資料
| 型號(hào)： | TA2153FN |
| 廠商： | Toshiba Corporation |
| 英文描述： | RF Amplifier for Digital Servo CD System |
| 中文描述： | 射頻放大器的CD數(shù)字伺服系統(tǒng) |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大?。?/td> | 122K |
| 代理商： | TA2153FN |
TA2153FN
2003-01-18
4
Pin No.
Symbol
I/O
Function Description
Remarks
22
RFCT
O
RFRP signal center level output terminal.
23
PKC
I
Time constant adjustment terminal for peak detection.
Adjusted by capacitance.
24
RFRPIN
I
Input terminal for track count signal output amp.
25
RFGO
O
Output terminal for RF signal amplitude adjustment amp.
26
GVSW
I
Amp (AGC, FE, TE) gain switching terminal.
GVSW
Mode
GND
CD-RW
HiZ
Normal
V
CC
Normal
Low (GND) is for 5 times
gain.
27
AGCIN
I
Input terminal for RF signal amplitude adjustment amp.
Connected to RFO through
capacitance.
28
RFO
O
Output terminal for RF signal amp.
29
GND
Ground terminal.
30
RFN2
I
Input terminal for RF signal amp.
Connected to pin-diode
output A B C D
(through resistor).
Note 1: Pin3 (GMAD) is gm adjustment terminal for AGC amp by applying a voltage (between 1.5 V and 4.2 V).
If pin3 (GMAD) is open, voltage of this terminal is fixed VR by IC interior.
Characteristic of frequency (open-loop characteristic) and voltage is as below.
Note 2: Current is changed by pin3 (GMAD) voltage.
Maximum Ratings
(Ta 25°C)
Characteristics
Symbol
Rating
Unit
Power supply voltage
V
CC
8
V
Power dissipation
P
D
500
mW
Operating temperature
T
opr
40~85
°C
Storage temperature
T
stg
55~150
°C
Gain
Frequency
GMAD Terminal Voltage
1.5 V
4.2 V
By changing a voltage (pin3) between 1.5 V and 4.2 V,
frequency band width is changed.
3
V
CC
VR
GMAD
(Note2)
VR
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