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AP89021 Datasheet(PDF) 16 Page - Aplus Intergrated Circuits

Part # AP89021
Description  Standard CMOS process
PDF  18 Pages
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Manufacturer  APLUS [Aplus Intergrated Circuits]
Direct Link  http://www.aplusinc.com.tw
Logo APLUS - Aplus Intergrated Circuits

AP89021 Datasheet(HTML) 16 Page - Aplus Intergrated Circuits

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Integrated Circuits Inc.
aP89021/010
Ver 2.2
May 31, 2007
16
TYPICAL APPLICATIONS
Key Trigger Mode
Fig. 12 Using 3.3V Battery
Fig. 13 Using 4.5V Battery
VDD,VPP
VSS
4.5V
RST
S1
S2
S3
S4
SBT
OSC
0.1uF
C1
ROSC
T
COUT
8Ω 1/4W
Speaker
8 / 16Ω
Speaker
VOUT1
VOUT2
OUT1
HT7335
Output driving of HT LDO:
HT7136 (30mA, 3.6V)
HT7133 (30mA, 3.3V)
HT7536 (100mA, 3.6V)
HT7335 (250mA, 3.5V)
Rb
VDD,VPP
VSS
3.3V
RST
S1
S2
S3
S4
SBT
OSC
0.1uF
C1
ROSC
T
COUT
Rb
8Ω 1/4W
Speaker
8 / 16Ω
Speaker
VOUT1
VOUT2
OUT1



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