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PDF TSOP7000SW1 Data sheet ( Hoja de datos )
| Número de pieza | TSOP7000SW1 | |
| Descripción | IR Receiver for High Data Rate PCM at 455 kHz | |
| Fabricantes | Vaishali Semiconductor | |
| Logotipo |  |
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TSOP7000SW1
Vishay Semiconductors
IR Receiver for High Data Rate PCM at 455 kHz
Description
The TSOP7000SW1 is a miniaturized receiver for
infrared remote control and IR data transmission. PIN
diode and preamplifier are assembled on lead frame,
the epoxy package is designed as IR filter.
The demodulated output signal can directly be
decoded by a microprocessor. The main benefit is the
operation with high data rates and long distances.
1
2
3
18301
Features
Special Features
• Photo detector and preamplifier in one
package
• Internal Bandfilter for PCM frequency
• Internal shielding against electrical field
disturbance
• TTL and CMOS compatibility
• Output active low
e3
• Data rate 20 kbit/s
• Supply voltage 2.7 - 5.5 V
• Short settling time after power on
• High envelope duty cycle can be received
• Enhanced immunity against disturbance
from energy saving lamps
• Small size package
DataSheet4U.com
Block Diagram
16841
10 kΩ
Input
AGC
Band
Pass
Demo-
dulator
PIN Control Circuit
3
VS
1
OUT
2
GND
Application Circuit
16843
Transmitter
with
TSHFxxxx
TSOPxxxx
R1 = 47 Ω
VS
OUT
GND
C1 =
4.7 µF
R2 >=
1 kΩ
+VS
µC
VO GND
R1 + C1 recommended to suppress power supply
disturbances.
R2 optional for improved pulse forming.
DataShee
Document Number 82221
Rev. 1.1, 01-Mar-05
DataSheet4U.com
DataSheet4 U .com
www.vishay.com
1
1 page  
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Recommendation for Suitable Data For-
mats
The circuit of the TSOP7000SW1 is designed in that
way that disturbance signals are identified and unwa-
ted output pulses due to noise or disturbances are
avoided. A bandpass filter, an automatic gain control
and an integrator stage is used to suppress such dis-
turbances. The distinguishing marks between data
signal and disturbance are carrier frequency, burst
length and the envelope duty cycle.
The data signal should fullfill the following conditions:
• The carrier frequency should be close to 455 kHz.
• The burstlength should be at least 22 µs (10 cycles
of the carrier signal) and shorter than 500 µs.
• The separation time between two consecutive
bursts should be at least 26 µs.
• If the data bursts are longer than 500 µs then the
envelope duty cycle is limited to 25 %
• The duty cycle of the carrier signal (455 kHz) may be
between 50 % (1.1 µs pulses) and 10 % (0.2 µs
pulses). The lower duty cycle may help to save bat-
tery power.
et4U.com
DataSheet4U.com
TSOP7000SW1
Vishay Semiconductors
DataShee
Document Number 82221
Rev. 1.1, 01-Mar-05
DataSheet4U.com
DataSheet4 U .com
www.vishay.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TSOP7000SW1.PDF ] | |
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