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參數(shù)資料
| 型號： | TA2069AF |
| 廠商： | Toshiba Corporation |
| 英文描述： | TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic |
| 中文描述： | 東芝雙極線性集成電路硅單片 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 300K |
| 代理商： | TA2069AF |
TA2069AF
2002-10-30
5
Application Note
1
. V
CC
and GND
This IC has two V
CC
terminals and three GND terminals. Pattern layout should be designed carefully to reduce
the common impedance.
V
CC
V
CC
(pin
1
7): Preamplifier stage and power amplifier stage.
GVN V
CC
(pin
1
6): Motor governor stage.
GND
PRE GND (pin
1
): Preamplifier stage and power amplifier stage except the power drive stage.
PW GND (pin
11
): Power drive stage of power amplifier.
GVN GND (pin
1
2): Motor governor stage.
2. V
REF
It is necessary to stabilize the V
REF
circuit, the internal circuit operate on this reference.
3. Preamplifier
Input signal should be applied to V
REF
standard, otherwise pop noise become bigger when V
CC
is turned on and
off.
4. Power amplifier
It is necessary to insert the coupling capacitor through the PW IN terminal. In case that DC current or DC
voltage is applied to the PW IN terminal, the internal circuit has unbalance and the power amplifier doesn't
operate normally.
Maximum Ratings
(Ta = 25°C)
Characteristic
Symbol
Rating
Unit
Supply voltage
V
CC
4
V
(Note 1)
400
Power dissipation
P
D
(Note 2)
925
mW
Output current (PW AMP.)
I
O (PW)
200
mA
Output current (GVN)
I
O (GVN)
700
mA
Operating temperature
T
opr
25~75
°C
Storage temperature
T
stg
55~150
°C
(Note 1) IC only : Derated above Ta = 25°C in the proportion 3.2mW / °C
(Note 2) IC + PCB (TOSHIBA typical PCB): Derated above Ta = 25°C in the proportion 7.4mW / °C
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