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U2532B Datasheet(PDF) 1 Page - TEMIC Semiconductors

Part No. U2532B
Description  IR Transmitter and Receiver
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Maker  TEMIC [TEMIC Semiconductors]
Homepage  http://www.temic.de
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U2532B Datasheet(HTML) 1 Page - TEMIC Semiconductors

 
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U2532B
Preliminary Information
TELEFUNKEN Semiconductors
Rev. A1, 27-Sep-96
1 (10)
IR Transmitter and Receiver
Description
The IC U2532B is a complete IR-Transmitter-Receiver
IC
according
to
the
new
IrDA
1.0
standard.
ASK-modulation is also possible. Only an external
PIN-photodiode and an infrared emitting diode with
current limiting resistor must be connected to the
corresponding pins. The amplifier with Schmitt-Trigger
formed output signal and the IR-driver need no further
external components. The IC allows data rates from
2.4 kbit/s to 115.2 kbit/s and up to 500 kHz for
ASK-modulation. Two different sensitivity modes, which
can be programmed by applying a “High” or “Low”
voltage at pin SC, ensure either an increase in
transmission distance or a bit error rate of 1E-9. An
internal AGC allows proper operation under EMI
conditions.
Features
D Data rates up to 115.2 kbit/s
D Wide supply voltage range (3 to 5.5 V)
D AGC for EMI immunity
D AGC reset
D High and low sensitivity mode
D BER < 1E-9 in the low sensitivity mode
D Power-On reset
Applications
D IR data transmission
D Compatible to IrDA
D Bidirectional IR data transmission
D Ability to receive ASK modulation
Case: SO16
Driver
Amp
(AGC)
ST
V
CC
R
L
RxD
TxD
95 10210
SC
Reset
Figure 1.


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