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參數(shù)資料
| 型號： | W52920 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 93K |
| 代理商： | W52920 |
W529XX
- 4 -
Oscillator
The oscillator is used to generate the system frequency of around 1.5 MHz. The OSC pin is
connected directly to V
DD
by an R
OSC
resistor, which is used to provide a bias current for the
oscillator.
RESET
This is an active low reset input with an internal pull-high resistance. If the W529XX is turned off and
then on again without discharging the V
DD
to ground level, the chip may function abnormally, causing
unpredictable operation. The W529XX can be reset by sending a pulse through the RESET pin to
restart the operation from the beginning.
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
CONDITIONS
RATED VALUE
UNIT
Power Supply
V
DD
V
SS
-
-0.3 to +7.0
V
Input Voltage
V
IN
All Inputs
V
SS
-0.3 to V
DD
+0.3
V
Storage temp.
T
STG
-
-55 to +150
°
C
°
C
Operating Temp.
T
OPR
-
0 to +70
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC CHARACTERISTICS
(T
A
= 25
°
C, V
SS
= 0V)
PARAMETER
SYM.
CONDITIONS
LIMITS
UNIT
MIN.
TYP.
MAX.
Operating Voltage
V
DD
-
2.4
4.5
5.5
V
Input Voltage
V
IL
All Input Pins
V
SS
-0.3
-
0.3
V
DD
V
V
IH
0.7 V
DD
-
V
DD
Standby Current
I
DD
V
DD
= 5V, No Playing
-
-
1
μ
A
μ
A
Operating Current (except
I
OP1
V
DD
= 3V, No Load
-
-
400
W52915, W52920)
I
OP2
V
DD
= 5V, No Load
-
-
800
Operating Current
I
OP1
V
DD
= 3V, No Load
-
-
0.5
mA
(W52915, W52920)
I
OP2
V
DD
= 5V, No Load
-
-
1
Input Current for TGn
I
IN
V
DD
= 3V, V
IN
= 0V
-
-
-3
μ
A
SPK (D/A Full Scale)
I
O
V
DD
= 4.5V, R
L
= 100
-4.0
-5.0
-6.0
mA
Output Current for IOn
I
OL
V
DD
= 3V, V
OUT
= 0.4V
0.8
-
-
mA
I
OH
V
DD
= 3V, V
OUT
= 2.7V
-0.4
-
-
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