TOIM3232-TR1, TOIM4232, TOIM4232-TR1 Selling Leads, Datasheet
MFG:SOP-16P Package Cooled:TFK D/C:01+
TOIM3232-TR1, TOIM4232, TOIM4232-TR1 Datasheet download
Part Number: TOIM3232-TR1
MFG: SOP-16P
Package Cooled: TFK
D/C: 01+
TOIM3232-TR1, TOIM4232, TOIM4232-TR1
- Table of contents:
Info of TOIM3232-TR1
Info of TOIM4232
Info of TOIM4232-TR1
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About TOIM3232-TR1
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Datasheet: TOIM3232-TR1
File Size: 118909 KB
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About TOIM4232
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Datasheet: TOIM4232
File Size: 308395 KB
Manufacturer: VISAY [Vishay Siliconix]
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About TOIC8513P
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Datasheet: TOIC8513P
File Size: 88983 KB
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TOIM4232 General Description
The TOIM4232 Endec IC provides proper pulse shaping for the SIR IrDA® front end infrared transceivers as of the 4000-series. For transmitting the TOIM4232 shortens the RS232 output signal to IrDA compatible electrical pulses to drive the infrared transmitter. In the receive mode, the TOIM4232 stretches the received infrared pulses to the proper bit width depending on the operating bit rate. The IrDA bit rate varies from 2.4 kbit/s to 115.2 kbit/s. The TOIM4232 is using a crystal clock 3.6864 MHz for its pulse stretching and shortening. The clock can be generated by the internal oscillator. An external clock can be used, too. The TOIM4232 is programmable to operate from 1200 bit/s to 115.2 kbit/s by the communication software through the RS232 port. The output pulses are software programmable as either 1.627 s or 3/16 of bit time. The typical power consumption is very low with about 10 mW in operational state and in the order of a few microwatts in standby mode.
TOIM4232 Maximum Ratings
|
Parameter |
Test Conditions |
Symbol |
Min |
Typ |
Max |
Unit |
|
Supply voltage |
|
VCC |
- 0.5 |
|
3.6 |
V |
|
Input voltage |
all pins |
|
- 0.5 |
|
5.5 |
V |
|
Output voltage |
all pins |
|
- 0.5 |
|
VCC + 0.5 |
V |
|
Output sinking current, max |
all pins |
IO |
|
|
8 |
mA |
|
Junction temperature, max |
|
TJ |
|
|
125 |
°C |
|
Ambient temperature |
|
Tamb |
- 25 |
|
85 |
°C |
|
Storage temperature |
|
Tstg |
- 25 |
|
85 |
°C |
|
Soldering temperature |
t = 20 s @ 215 °C |
Tsldr |
|
215 |
230 |
°C |
TOIM4232 Features
• Pulse shaping function (shortening and stretching) used in SIR IrDA® applications
• Directly interfaces the SIR transceiver TFD..- series to an RS232 port
• Programmable baud clock generator (1200 Hz to 115.2 kHz), 13 baud rates
• 3/16 bit pulse duration or 1.627 s pulse selectable
• SO16 - package
• 2.7 V to 3.6 V operation voltage, 5 V tolerant inputs
• Low operating current
• Directly interfaces the SIR transceiver TFD..- series to an RS232 port
• Programmable baud clock generator (1200 Hz to 115.2 kHz), 13 baud rates
• 3/16 bit pulse duration or 1.627 s pulse selectable
• SO16 - package
• 2.7 V to 3.6 V operation voltage, 5 V tolerant inputs
• Low operating current
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