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參數(shù)資料
| 型號： | EM22012 |
| 英文描述： | Dual PWM with Linear; Temperature Range: 0°C to 70°C; Package: 24-EPTSSOP |
| 中文描述： | EM22000系列-簡單的語音合成器具有PWM直接驅(qū)動(dòng) |
| 文件頁數(shù)： | 12/14頁 |
| 文件大?。?/td> | 80K |
| 代理商： | EM22012 |
EM
EM
EM22000 SERIES
22000 SERIES
SIMPLE VOICE SYNTHESIZER
7
* This specification are subject to be changed without notice.
10.15.2001
Preliminary
ELECTRICAL CHARACTERISTICS
Parameter
Sym.
Rating
Unit
Conditions
Min.
Min. Typ.
Typ.
Max.
Operating voltage
V
DD
2.2
3.0
5.2
V
Standby current
I
DDS
-
1.0
A
V
DD=3V
Operating current
I
DDO
-
200
380
A
V
DD=3V, no load.
Sink current of SAFx
I
OS
5.0
-
mA
V
DD=3V, VO=0.4V
Drive current of SAFx
I
OD
3-
-
mA
V
DD=3V, VO=2.4V
Input current of TRx
I
IH
-
3.0
5.0
A
V
DD=3V
Output current of VO
I
VO
-
140
-
mA
V
DD=3V, Rspk=8
Oscillation resistor
R
-
910
-
K
Oscillation freq. (Freq. Variation ±10%)
F
OSC
1.8
2.048
2.2
MHz
V
DD=2.2V~5.2V
ABSOLUTE MAXIMUM RATING
Parameter
Symbol
Conditions
Rating
Unit
Supply Voltage
V
DD-V SS
-0.3 ~ +5.2
V
Input Voltage
V
IN
V
SS-0.3 ~ VDD+0.3
V
Operating Temperature
T
OPR
0 ~ 70
o C
Storage Temperature
T
STG
-55 ~ +125
o C
APPLICATION CIRCUIT
1. Trigger application type 1 : Maximum 4 triggers allowed. The most general application used in EM22000
series. Refer to schematic 1a for detailed circuit. (note for EM22003/22006 only 3 triggers allowed. Refer to
schematic 1b for detailed circuit.)
2. Triggers application type 2 : Maximum 8 triggers allowed. Keyboard scan circuit will be activated to detect extra
4 triggers which connect SAF1 with triggers. Refer to schematic 2a for detailed circuit. (note for EM22003/
22006 only 6 triggers allowed. Refer to schematic 2b for detailed circuit.)
3. Triggers application type 3 : Maximum 12 triggers allowed. Keyboard scan circuit will be activated to detect
extra 8 triggers which connect SAF1 with triggers (TR5~TR8) and SAF2 with triggers (TR9~TR12). Refer to
schematic 3a for detailed circuit. (note for EM22003/22006 only 8 triggers allowed. Refer to schematic 3b for
detailed circuit.)
4. Power On Auto playing until release Key : Trigger 1 is level hold mode. V
DD and trigger 1 are connected to
push button. When trigger 1 is pressed, the V
DD will connect to batteries at the same time and level holde
playing happened. Please refer to schematic 4 for detailed circuit.
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