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參數(shù)資料
| 型號： | TA2157FN |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封裝： | SSOP-24 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大小： | 182K |
| 代理商： | TA2157FN |
TA2157F/FN
2002-11-21
4
Pin
No.
Symbol
I/O
Function Description
Internal Circuit
9
TEBC
I
Tracking error balance adjustment signal input pin
Adjusts TE signal balance by eliminating
carrier component from PWM signal (3-state
output, PWM carrier
= 88.2 kHz) output from
TC94A14F/FA/FB TEBC pin using RC-LPF and
inputting DC.
TEBC input voltage: GND~VCC
10
TEN
I
Tracking error signal generation amp
negative-phase input pin
11
TEO
O
Tracking error signal generation amp output pin.
Combining TEO signal and RFRP signal with
TC94A14F/FA/FB configures tracking search
system.
12
RFDC
O
RF signal peak detection output pin
13
GVSW
I
AGC/FE/TE amp gain change pin
GVSW
Mode
GND
CD-RW
HiZ
VCC
Normal
9
15 k
W
40
k
W
40
k
W
11
10
20 k
W
167
W
20
m
A
VC
167
W
40
m
A
10
pF
VC
12
15 k
W
500
W
20
m
A
400
m
A
50
k
W
40
m
A
13
30 k
W
60
m
A
30
k
W
40
k
W
50
k
W
40
k
W
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