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URL: http://www.princeton.com.tw
Infrared Remote Control Transmitter
PT2248
ABSOLUTE MAXIMUM RATINGS
(Ta=25℃)
Parameter
Supply Voltage
Input/Output Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Txout Output Current
Symbol
Vcc
VIN
Pd
Topr
Tstg
Iout
Ratings
5.5
Vss-0.5 to Vcc+0.5
200
-40 ~ +85
-65~+150
-5
Unit
V
V
mV
℃
℃
mA
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Vcc=3V, Ta=25℃)
Parameter
Symbol
Operating Supply Voltage
Operating Supply Voltage
Stand-by Current
K1~K6
CODE
Input
K1~K6
Current
Voltage
“H”
Level
“L”
Level
“H”
Level
“L”
Level
“H”
Level
“L”
Level
“H”
Level
‘L”
Level
Vcc
Icc
ISTB
VIH
VIL
IIH
IIL
IOH
IOL
IOH
IOL
Rf
fosc
Conditions
All Function
Operations
Key On Without
Load
All Keys Off,
Stops oscillation
-
-
VI=3.0V
VI=0V
Vo=2.0V
Vo=2.0V
Vo=2.0V
Vo=2.0V
-
-
Min.
2.2
-
-
0.8Vcc
0
20
-1.0
-500
30
-0.1
1.0
-
400
Typ.
-
-
1.0
-
-
40
-
-
-
-
-
500
455
Max.
5.0
1.0
10
Vcc
0.5
60
1.0
-
-
-
-
-
600
Unit
V
mA
µA
V
V
µA
µA
µA
µA
mA
mA
KΩ
KHz
T1~T3
Output
Current
/TXOUT Current
OSC Feedback Resistor
Oscillation Frequency
PT2248 V2.7
- 10 -
June, 2005
PTC [ PRINCETON TECHNOLOGY CORP ]
