TFDT4000 TEMIC Semiconductors, TFDT4000 Datasheet
TFDT4000
Available stocks
Related parts for TFDT4000
TFDT4000 Summary of contents
Page 1
... TFDT4000 Integrated Transceiver Description TFDT4000 The is an infrared transceiver for data communication systems. The transceiver is compatible to the IRDA standard and allows data rates up to 115 kbit/sAn internal AGC (Automatic Gain Control) ensures proper operation under EMI conditions. The internal IRED driver can be connected by the external current control resistor to an independent unregulated power supply ...
Page 2
... TFDT4000 Absolute maximum ratings Reference Point Pin 8, unless otherwise noted. Parameter Test Conditions Supply Voltage Range Voltage Range of IRED pin 1, Drive Output Txd "LOW" Input Currents all pins except 1, 8, see IRED current Output Sinking Current Power Dissipation Junction Temperature Ambient Temperature ...
Page 3
... TFDT4000 Optoelectronic characteristics Tamb = 25°C, V =5V unless otherwise noted. cc Parameter Test condition Transceiver Supported data rates Base band Supply voltage range Supply current, pin 6 V =5V cc Supply current, pin 6 V =3V cc Leakage current pin 6: Off emitter , pin 1 Txd: "LOW" ...
Page 4
... TFDT4000 Optoelectronic characteristics Tamb = 25°C, V =5V unless otherwise noted. cc Parameter Test condition Receiver, cont. Rise time @load= C=15pF, R=2.2k Fall time @load= C=15pF, R=2.2k Rxd signal electrical 2.4 kBit/s, input output pulse width pulse length 1.41µs to 3/16 of bit length Rxd signal electrical 115.2 kBit/s, ...
Page 5
... TFDT4000 Optoelectronic characteristics Tamb = 25°C, V =5V unless otherwise noted. cc Parameter Test condition Transmitter, cont. Output Radiant Current limiting Intensity, = 15° resistor in series to IRED 8 =5V cc2 Angle of half intensity Peak wavelength of emission Halfwidth of Emission Spectrum Optical Rise/Falltime 115.2 kHz square wave ...
Page 6
... TFDT4000 Mechanical Dimensions Package Outlline Drawing. Dimensions in mm Pin Assignment Pin# PIN NAME 1 IRED Anode IRED Anode 2 IRED Cathode IRED Cathode, internally connected to driver transistor 3 Txd Transmit data 4 Rxd Received data Supply voltage Sensitivity control 8 GND Ground - 2 stand off pins Internally connected to ground ...
Page 7
... TFDT4000 Recommended SMD pads for the TFDT4000 transceiver 600 max. duty cycle 20% 500 400 300 200 100 Current derating as a function of ambient temperature and max. duty cycle Current derating function of the maximum forward current of IRED and max. duty cycle max. duty cycle 50% ...
Page 8
... TFDT4000 -60 -40 -20 0° 10° 100% 20° 30° 50% 120 100 Angle [°] Edition January 7, 1996 Angular emission characteristic 60 8 ...
Page 9
... TFDT4000 -60 -40 -20 0° 10° 20° 100% 30° 50% 100 Angle [°] Edition January 7, 1996 Angular receiving characteristic 60 9 ...