SOUND GENERATOR 聲效芯片
VM42
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1.0 FEATURES
特點
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Four sounds selectable with 2 keys
可以2 鍵選擇4 種聲效
典型工作電壓3V
RC 振盪器內置電容,
內置電阻有掩模板選擇
單音演奏
Typical 3V operation
RC oscillator with built-in capacitor, built-in resistor is also
available with mask option
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Mono-tone performance
Connecting an NPN transistor can drive a speaker
Power on reset and fast test capability
連接NPN 三極管可驅動喇叭
上電復位及快速測試能力
2.0 ELECTRICAL CHARACTERISTICS 電特性
SS = 0V, TA = 25°C (unless otherwise specified 特別註明除外)
V
LIMITS
TEST
CONDITIONS
PARAMETER
SYMBOL
MIN
2.4V
-
TYP
MAX
3.6V
25µA
20%
+120
-
Operating Voltage 工作電壓
Operating Current 工作電流
Frequency Stability 頻率穩定性
Frequency (KHz) 頻率
VDD
IDD
*F/F
F
-
3V
VDD = 3V
See note
VDD = 3V
VDD = 3V
VDD = 3V
VDD = 3V
-
-
-
100
2.2V
0
110
Output Voltage High 輸出高電壓
Output Voltage Low 輸出低電壓
Output Current 輸出電流
VOH
VOL
IO
-
-
-
0.4
3mA
-
FOSC ( 3.3V ) - FOSC ( 2.7V )
FOSC ( 2.7V)
NOTE :
3.0 APPLICATION INFORMATION 應用資料
VDD
VDD
SEL2
SEL1
SP
TR1
R2
VS
OSC1
OSC2
R1 = 240KΩ
R2 = 10KΩ
TR1 : 2SC9013
R1
The IC substrate should be connected to VDD. 芯片襯底請接VDD。
SP : 8Ω 0.2W Speaker