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TLP2108

Description
Isolated Bus Drivers High Speed Line Receivers Microprocessor System Interfaces
File Size291KB,11 Pages
ManufacturerToshiba Semiconductor
Websitehttp://toshiba-semicon-storage.com/
Download Datasheet View All

TLP2108 Overview

Isolated Bus Drivers High Speed Line Receivers Microprocessor System Interfaces

TLP2108
TOSHIBA PHOTOCOUPLER
GaAℓAs Ired & PHOTO-IC
TLP2108
Isolated Bus Drivers
High Speed Line Receivers
Microprocessor System Interfaces
The Toshiba TLP2108 consists of GaAℓAs light emitting diodes and
integrated high-gain, high-speed photodetectors.
The TLP2108 is housed in the SO8 package.
The photodetector has a totem-pole output stage that can source and sink
current.
The photodetector has an internal Faraday shield that provides a
guaranteed common-mode transient immunity of ±10 kV/μs.
The TLP2108 provides an inverting logic output. A noninverting logic
version, the TLP2105, is also available.
Inverting logic output (totem-pole output)
Guaranteed performance over -40 to 100°C
Power supply voltage: 4.5 to 20 V
Input threshold current: IFHL = 1.6 mA (max)
Switching time (tpLH / tpHL): 250 ns (max)
Common-mode transient immunity:
±10
kV/μs
Isolation voltage: 2500 Vrms
JEDEC
JEITA
TOSHIBA
11−5K1
Weight: 0.21 g (typ.)
8
7
6
5
Unit: mm
1
2
3
4
6.0
±
0.2
0.1
±
0.1 2.5
±
0.2
5.1
±
0.2
3.95
±
0.25
1.27
±
0.15
0.38
0.305 min
11-5K1
Truth Table
Input
H
L
LED1(2)
ON
OFF
Tr1(3)
OFF
ON
Tr2(4)
ON
OFF
Output 1(2)
L
H
ICC
Pin Configuration (Top View)
1
2
8
VCC
VCC
Schematic
IF1
1+
VF1
2-
LED1
SHIELD
Tr1
Tr2
3
4
SHIELD
GND
IO1
7
VO1
8 1: ANODE 1
2: CATHODE 1
3: CATHODE 2
7
4: ANODE 2
5: GND
6
6: VO2 (Output 2)
7: VO1 (Output 1)
5
8: VCC
LED2
3-
VF2
4+
IF2
SHIELD
A bypass capacitor of 0.1
μF
must be
connected between pins 8 and 5.
Tr3
Tr4
IO2
6
VO2
5
GND
1
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