器件名称: U2532B
功能描述: IR Transmitter and Receiver
文件大小: 83.47KB 共10页
简 介:U2532B
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 D D D D D D
Data rates up to 115.2 kbit/s Wide supply voltage range (3 to 5.5 V) AGC for EMI immunity AGC reset High and low sensitivity mode BER < 1E-9 in the low sensitivity mode Power-On reset
Applications
D D D D
IR data transmission Compatible to IrDA Bidirectional IR data transmission Ability to receive ASK modulation
Case: SO16
V CC RL TxD Driver
Amp (AGC)
ST
RxD
SC
Reset Figure 1.
95 10210
TELEFUNKEN Semiconductors Rev. A1, 27-Sep-96
1 (10)
Preliminary Information
U2532B
Pin Description
P_GND
1
16
NC
TxD
2
15 IRED 14 O_GND 13
RxD
3
Reset
4
NC
U2532B
VCC
5
12
NC
SC
6
11
A_GND
Pin 1 2 3 4 5 6 7, 8, 10, 12, 13, 16 9 11 14 15
Symbol P_GND TxD RxD Reset VCC SC NC
Function ……
