Princeton Technology Corp.
Infrared Remote Control Transmitter
Tel: 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2248
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.
!
!
!
!
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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
PT2248 v 2.5
Page 1
Revised Dec. 1998
Princeton Technology Corp.
Infrared Remote Control Transmitter
Tel: 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2248
PT2248
V ss
XT
XT
K1
K2
K3
K4
K5
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V cc
TXOU T
TEST
CODE
T3
T2
T1
K6
PT2248 v 2.5
Page 2
Revised Dec. 1998
Princeton Technology Corp.
Infrared Remote Control Transmitter
Tel: 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2248
3V
PNP
IN4148
IR LED
2
R
16
15
14
13
12
11
T
2
10
T1
9
K
6
V cc T X O U T T E S T C O D E T
3
PT2248
V ss
1
XT
2
3
XT
4
K
1
5
K
2
6
K
3
7
K
4
K
5
8
120p
455K
120p
1
7
Pin Nos. 4 ~ 9
13
2
8
14
3
9
15
4
10
16
5
11
17
6
12
18
Pin Nos. 10 ~ 12
Notes: 1. R = 200 Ohms to 3.9 K Ohms
2. It is highly recommended that the 47µf capacitor be situated near
the Vcc.
PT2248 v 2.5
Page 3
Revised Dec. 1998
Princeton Technology Corp.
Infrared Remote Control Transmitter
Tel: 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2248
PART NUMBER
PT2248
PT2248-S
PT2248-SN
PACKAGE
16 Pins, DIP
16 Pins, SO
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
PT2248 v 2.5
Page 4
Revised Dec. 1998