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TFDT4000 Datasheet

  • TFDT4000

  • Integrated Transceiver

  • 248.46KB

  • 9頁(yè)

  • TEMIC

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TFDT4000
Edition January 7, 1996
Integrated Transceiver
Description
The
TFDT4000
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. This will add more freedom in circuit design and
efficient serial drive capability for external IREDs for high power applications.
Features:
Compatible to IRDA standard
SMD top view and through hole side view
Wide supply voltage range (2.7V...5.5V)
Low Profile (height = 5.6 mm max.)
Microcomputer compatible
Fewest external components
Low power consumption
AGC for EMI immunity
Open collector IRED driver
Package:
Pins, see pg. 7:
1: IRED Anode
2: IRED Cathode
3: Txd (Input)
4: Rxd (Output)
5: NC
6: V
CC
(Supply Voltage)
7: SC (Sensitivity Control)
8: Ground
2 stand off pins internally connected to ground.
Block Diagram
Vcc
6
Driver
Amplifier
Comparator
Rxd 4
1
7 SC
AGC
logic
3 Txd
Open Collector
Driver
8 GND
1
2

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