Tel: 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Infrared Remote Control Transmitter PT2248
PT2248 v 2.5
Page 1
Revised Dec. 1998
Princeton Technology Corp.
PT2248 is an infrared remote control transmitter utilizing CMOS Technology. It
is capable of 18 functions and a total of 75 commands. Single-shot and
continuous keys are available. Furthermore, multiple keying is possible.
!
CMOS Technology
!
Low Power Consumption
!
Wide Range of Operating Supply Voltage allows Low Voltage Operation
(Vcc = 2.2 ~ 5.0 V)
!
Multiple Keying is Possible (Maximum of 6 Keys)
!
Less External Components
!
An Oscillator can be constructed by connecting a ceramic resonator at the
oscillation circuit
!
Television (TV) Remote Control Transmitter
!
Video Cassette Recorder (VCR) Remote Control Transmitter
Tel: 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Infrared Remote Control Transmitter PT2248
PT2248 v 2.5
Page 2
Revised Dec. 1998
Princeton Technology Corp.
1
2
3
4
5
6
7
8
V s s
X T
X T
K 1
K 2
K 3
K 4
K 5
1 6
1 5
1 4
1 3
1 2
11
1 0
9
V c c
T X O U T
T E S T
C O D E
T 3
T 2
T 1
K 6
PT2248
Tel: 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Infrared Remote Control Transmitter PT2248
PT2248 v 2.5
Page 3
Revised Dec. 1998
Princeton Technology Corp.
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
6
12
18
5
11
17
4
10
16
3
9
15
2
8
14
1
7
13
455K
120p
120p
IN4148
2
IR LED
3V
PNP
R
Pin Nos. 4 ~ 9
Pin Nos. 10 ~ 12
P T 2 2 4 8
V ss X T X T K K
K
K K
1
2
3
4
5
V cc T X O U T T E S T C O D E T T T 1 K
3
2
6
Notes: 1. R = 200 Ohms to 3.9 K Ohms
2.
It is highly recommended that the 47f capacitor be situated near
the Vcc.
Tel: 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Infrared Remote Control Transmitter PT2248
PT2248 v 2.5
Page 4
Revised Dec. 1998
Princeton Technology Corp.
PART NUMBER
PACKAGE
PT2248
16 Pins, DIP
PT2248-S
16 Pins, SO
PT2248-SN
16 Pins, SO (Narrow)
PT 2248 - X
Package Code:
P
: PDIP, can be omitted
S
: Small Outline (300 mil)
SN
: Small Outline (150 mil)
Product Number
PTC Prefix
PDF 
ZIP