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Encoder IC
Application Circuits
1.8V~15V
V
CC
V
SS
D
OUT
D3
PT2240B
OSC
D0
D1
D2
Rosc
RF
Figure 2: PT2240B (8-pin) Application Circuit
Note: In order that IC protection is assured, please make sure that a diode is connected between the battery and the VDD. If the
diode is not connected and the battery polarity was inverted, then the IC will fail.
Rosc
V
CC
V
SS
OSC
D0
D1
D2
RF
D
OUT
D3
1.8V~15V
Figure 3: PT2240B Power Failure Application Circuit
Order Information
Valid Part Number
PT2240B
Package
8 Pins, SOP (150 mil)
PT2240B v1.0
- 3-
Mar. 2002
PTC [ PRINCETON TECHNOLOGY CORP ]
