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PDF TSOP1240RF1 Data sheet ( Hoja de datos )
| Número de pieza | TSOP1240RF1 | |
| Descripción | Photo Modules for PCM Remote Control Systems | |
| Fabricantes | Vishay Telefunken | |
| Logotipo |  |
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TSOP12..RF1
Vishay Telefunken
Photo Modules for PCM Remote Control Systems
Available types for different carrier frequencies
Type
TSOP1230RF1
TSOP1236RF1
TSOP1238RF1
TSOP1256RF1
fo
30 kHz
36 kHz
38 kHz
56 kHz
Type
TSOP1233RF1
TSOP1237RF1
TSOP1240RF1
fo
33 kHz
36.7 kHz
40 kHz
Description
The TSOP12..RF1 – series are miniaturized receivers
for infrared remote control systems. PIN diode and
preamplifier are assembled on lead frame, the epoxy
package is designed as IR filter.
The demodulated output signal can directly be de-
coded by a microprocessor. The main benefit is the
reliable function even in disturbed ambient and the
protection against uncontrolled output pulses.
Features
D Photo detector and preamplifier in one package
D Internal filter for PCM frequency
D Improved shielding against electrical field
disturbance
D TTL and CMOS compatibility
D Output active low
D Low power consumption
D Suitable burst length ≥10 cycles/burst
Block Diagram
13 640
Special Features
D Enhanced immunity against all kinds of
disturbance light
D No occurrence of disturbance pulses at the
output
Input
PIN
AGC
Control
Circuit
Band
Pass
80 kW
Demodu-
lator
2
VS
3
OUT
1
GND
94 8136
Document Number 82016
Rev. 8, 30 Mar-01
www.vishay.com
1 (8)
1 page  
Optical Test Signal
Ee (IR diode TSAL6200, IF = 0.4 A, 30 pulses, f = f0, T = 10 ms)
t
tpi *
wT
* tpi 10/fo is recommended for optimal function
Output Signal
VO
VOH
"1 ) 7/f0 < td < 15/f0
2 ) tpo = tpi 6/f0
VOL
td1 )
tpo2
)
Figure 7. Output Function
Optical Test Signal
Ee
16110
t
600 ms
T = 60 ms
600 ms
Output Signal, ( see Fig.10 )
VO
VOH
VOL
Ton
Toff
Figure 8. Output Function
t
94 8134
t
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
10 20 30 40 50 60 70 80 90
16153 Burstlength [number of cycles/burst]
Figure 9. Max. Envelope Duty Cycle vs. Burstlength
TSOP12..RF1
Vishay Telefunken
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.1
12843
Ton
Toff
l = 950 nm,
optical test signal, fig.8
1.0 10.0 100.0 1000.0 10000.0
Ee – Irradiance (mW/m2)
Figure 10. Output Pulse Diagram
1.0
0.9
0.8 Vs = 5 V
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–30 –15 0 15 30 45 60 75
96 12115
Tamb – Ambient Temperature ( °C )
90
Figure 11. Supply Current vs. Ambient Temperature
1.2
1.0
0.8
0.6
0.4
0.2
0
750
94 8408
850 950 1050
l – Wavelength ( nm )
1150
Figure 12. Relative Spectral Sensitivity vs. Wavelength
Document Number 82016
Rev. 8, 30 Mar-01
www.vishay.com
5 (8)
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TSOP1240RF1.PDF ] | |
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