SOUND GENERATOR
鑱叉晥鑺墖
VM42
-----------------------------------------------------------------------------------------------------------------------------------
1.0 FEATURES
Four sounds selectable with 2 keys
Typical 3V operation
RC oscillator with built-in capacitor, built-in resistor is also
available with mask option
Mono-tone performance
Connecting an NPN transistor can drive a speaker
Power on reset and fast test capability
2.0 ELECTRICAL CHARACTERISTICS
闆葷壒鎬?/div>
V
SS
= 0V, T
A
= 25擄C
(unless otherwise specified
鐗瑰垾璦繪槑闄ゅ
)
SYMBOL
V
DD
I
DD
*F/F
F
V
OH
V
OL
I
O
TEST
CONDITIONS
-
V
DD
= 3V
See note
V
DD
= 3V
V
DD
= 3V
V
DD
= 3V
V
DD
= 3V
LIMITS
MIN
2.4V
-
-
100
2.2V
0
3mA
TYP
3V
-
-
110
-
-
-
MAX
3.6V
25碌A(chǔ)
20%
+120
-
0.4
-
鐗歸粸
鍙互
2
閸甸伕鎿?/div>
4
紼伈鏁?/div>
鍏稿瀷宸ワ拷½錕介浕澹?/div>
3V
RC
鎸洩鍣ㄥ収錕?frac12;錕介浕瀹?
鍏э拷½錕介浕闃繪湁鎺╂ā鏉塊伕鎿?/div>
鍠煶婕斿
鐋氭帴
NPN
涓夋サ綆″彲椹呭嫊銫嬪彮
涓婇浕銃︼拷½錕藉強(qiáng)蹇€熸脯瑭︼拷½鐋?/div>
PARAMETER
Operating Voltage
宸ワ拷½錕介浕澹?/div>
Operating Current
宸ワ拷½錕介浕銨?/div>
Frequency Stability
闋伙ァ絀╁畾鎬?/div>
Frequency (KHz)
闋伙ァ
Output Voltage High
杓稿嚭楂橀浕澹?/div>
Output Voltage Low
杓稿嚭錕?frac12;錕介浕澹?/div>
Output Current
杓稿嚭闆伙
NOTE :
FOSC ( 3.3V ) - FOSC ( 2.7V )
FOSC ( 2.7V)
V
DD
3.0 APPLICATION INFORMATION
鎳夌敤璩囷
V
DD
SP
SEL2
SEL1
TR1
R2
OSC1
OSC2
V
S
R1 = 240K鈩?/div>
R2 = 10K鈩?/div>
TR1 : 2SC9013
SP : 8鈩?0.2W Speaker
R1
The IC substrate should be connected to V
DD
.
鑺墖瑗簳璜嬫帴V
DD
銆?/div>
VM42相關(guān)型號(hào)PDF文件下載
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英文版
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