HS0038B红外接收管数据手册

D D D D
Suitable burst length ≥10 cycles/burst Low power consumption High immunity against ambient light Continuous data transmission possible (800 bit/s)
Ee min – Threshold Irradiance ( mW/m2 ) 1.0 / E – Rel. Responsitivity e 0.8 2.0 f ( E ) = f0 1.6 1.2 0.8 0.4 0.0 0.7
94 8143
0.6
0.4 0.2 0.0 0.8 0.9 1.0 1.1 1.2 1.3 f / f0 – Relative Frequency
HS0038B
Vishay Telefunken Absolute Maximum Ratings
Tamb = 25_C Parameter Supply Voltage Supply Current Output Voltage Output Current Junction Temperature Storage Temperature Range Operating Temperature Range Power Consumption Soldering Temperature Test Conditions (Pin 3) (Pin 3) (Pin 1) (Pin 1) Symbol VS IS VO IO Tj Tstg Tamb Ptot Tsd Value –0.3...6.0 5 –0.3...6.0 5 100 –25...+85 –25...+85 50 260 Unit V mA V mA °C °C °C mW °C
Document Number 82002 Rev. 7, 05-Dec-00 3 (7)
HS0038B
Vishay Telefunken Typical Characteristics (Tamb = 25_C unless otherwise specified)
14 500
Features
D D D D D
Photo detector and preamplifier in one package Internal filter for PCM frequency TTL and CMOS compatibility Output active low Improved shielding against electrical field disturbance
0
5
10 time [ms]
15
20
Figure A: IR Signal from Fluorescent Lamp with low Modulation
0
5
10 time [s]
15
20
Figure B: IR Signal from Fluorescent Lamp with high Modulation
HS0038B
Vishay Telefunken
Photo Modules for PCM Remote Control Systems
Description
The HS0038B – 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 decoded by a microprocessor. HS0038B is the standard IR remote control receiver series, supporting all major transmission codes.
Input burst duration
Ee min – Threshold Irradiance ( mW/m2 )
10 kHz 1
l = 950 nm, optical test signal, fig.7
100 Hz
1.0
10.0
100.0 1000.0 10000.0 mW/m2 )
94 9106
Application Circuit
100 W *) 3 HS0038B TSAL62.. 1 4.7 mF >10 kW optional +5V
mC
2
16114
GND *) recommended to suppress power supply disturbances
2 (7)
Document Number 82002 Rev. 7, 05-Dec-00
HS0038B
Vishay Telefunken Suitable Data Format
The circuit of the HS0038B is designed in that way that unexpected output pulses due to noise or disturbance signals are avoided. A bandpassfilter, an integrator stage and an automatic gain control are used to suppress such disturbances. The distinguishing mark between data signal and disturbance signal are carrier frequency, burst length and duty cycle. The data signal should fullfill the following condition: • Carrier frequency should be close to center frequency of the bandpass (e.g. 38kHz). • Burst length should be 10 cycles/burst or longer. • After each burst which is between 10 cycles and 70 cycles a gap time of at least 14 cycles is neccessary. • For each burst which is longer than 1.8ms a corresponding gap time is necessary at some time in the data stream. This gap time should be at least 4 times longer than the burst. • Up to 800 short bursts per second can be received continuously. • DC light (e.g. from tungsten bulb or sunlight) • Continuous signal at 38kHz or at any other frequency • Signals from fluorescent lamps with electronic ballast with high or low modulation (see Figure A or Figure B). Some examples for such disturbance signals which are suppressed by the HS0038B are: Some examples for suitable data format are: NEC Code, Toshiba Micom Format, Sharp Code, RC5 Code, RC6 Code, R–2000 Code. When a disturbance signal is applied to the HS0038B it can still receive the data signal. However the sensitivity is reduced to that level that no unexpected pulses will occure.
0.1 0.01
0.1
1
10
100
1000
Ee – Irradiance (
DVs RMS – AC Voltage on DC Supply Voltage ( mV )
Figure 2. Sensitivity in Dark Ambient
5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 0.01 0.10 1.00 10.00 100.00 Ambient, l = 950 nm Correlation with ambient light sources ( Disturbance effect ) : 10W/m2 1.4 klx ( Stand.illum.A, T = 2855 K ) 8.2 klx ( Daylight, T = 5900 K )
Block Diagram
3 Input Control Circuit 30 kW 1 PIN AGC Band Pass Demodulator 2
9612226
VS
OUT
GND
Document Number 82002 Rev. 7, 05-Dec-00
1 (7)
(Tamb 85 °C) t 10 s, 1 mm from case
x
x
Basic Characteristics
Tamb = 25_C Parameter Supply Current (Pin 3) Supply Voltage Transmission Distance Output Voltage Low (Pin 1) Irradiance (38 kHz) Directivity Ev = 0, test signal see fig.7, IR diode TSAL6200, IF = 250 mA IOSL = 0.5 mA,Ee = 0.7 mW/m2 Pulse width tolerance: tpi – 5/fo < tpo < tpi + 6/fo, test signal see fig.7 Angle of half transmission distance Test Conditions VS = 5 V, Ev = 0 VS = 5 V, Ev = 40 klx, sunlight Symbol ISD ISH VS d VOL Ee min ϕ1/2 0.2 ±45 Min 0.8 4.5 35 250 0.4 Typ 1.1 1.4 Max 1.5 5.5 Unit mA mA V m mV mW/m2 deg
1.0 0.9 tpo – Output Pulse Length (ms) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0.1
96 12110
Figure 4. Sensitivity vs. Electric Field Disturbances
10 f = f0 1 kHz
Df ( 3 dB ) = f0 / 10
f = f0
"5%
eE min
ห้องสมุดไป่ตู้0.0
94 8147
0.4
0.8
1.2
1.6
2.0
E – Field Strength of Disturbance ( kV / m )
Figure 1. Frequency Dependence of Responsivity