BA3899 Просмотр технического описания (PDF) - ROHM Semiconductor
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BA3899 Datasheet PDF : 8 Pages
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Standard ICs
BA3899F
•Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 5.0V, C1 = 0.033µF, C2 = 1500pF)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Supply current
ICC
3.0
4.6
6.2
mA When used as stand-alone unit
C1 pin oscillation frequency
fSW1
75
95
120
Hz
—
C2 pin oscillation frequency
fSW2
17
23
29
kHz
—
Source current
SW1
Sink current
ISW1SO
100
140
180
ISW1SI
– 40
—
—
µA VC1 = 1.0V, VC2 = 0.05V, VSW1 = 0V
µA VC1 = 0.05V, VC2 = 0.05V, VSW1 = 1.0V
Source current
SW2
Pull-down resistance
ISW2SO
3.2
4.4
6.1
mA VC1 = 0.05V, VC2 = 0.05V, VSW2 = 0V
RSW2
400
500
600
Ω
Vst = 0.35V, VSW2 = 0.3V
Standby pin control Operating
VSTON
1.0
—
—
V
—
voltage condition Non-operating VSTOFF
—
—
0.3
V
—
Quiescent current in standby state IQ (ST)
—
0
2.0
µA
—
•Measurement circuit
fSW1
Counter
VSW1
A
ISW1
fSW2
Counter
VSW2
A
ISW2
VCC
A
IQ
VSTBY
8
7
RSW2
6
5
STBY
OSC1
OSC2
1
2
3
4
0.033µF
1500pF
± 1%
± 1%
VC1
VC2
Fig.1
3
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