參數(shù)資料
型號(hào): TFDU4203-TR1
廠(chǎng)商: Vishay Intertechnology,Inc.
英文描述: Integrated Low Profile Transceiver Module for Telecom Applications ? IrDA Standard
中文描述: 超薄集成收發(fā)模塊為電信應(yīng)用?紅外標(biāo)準(zhǔn)
文件頁(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 147K
代理商: TFDU4203-TR1
TFDU4203
Vishay Semiconductors
Rev. A1.1, 13-Feb-03
8 (12)
www.vishay.com
Document Number 82542
Recommended SMD Pad Layout
0.5
7 x 0.8
8
0.8
1
2.3
Transceiver leads to be soldered symmetrically on pads
Figure 2. Pad Layout
Temperature Derating
50
55
60
65
70
75
80
85
90
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Operating Voltage [V] @ duty cycle 20%
A
°
Figure 3. shows the maximum operating temperature
when the device is operated without external current
limiting resistor. A power dissipating resistor of 2
is
recommended from the cathode of the IRED to Ground
for supply voltages above 4 V. In that case the device can
be operated up to 85
°
C, too.
Table 1. Truth table
Inputs
Outputs
SD
Txd
Optical input Irradiance
mW/ m
2
x
x
x
< 4
> Min Detection
Threshold Irradiance
Rxd
Transmitter
high
low
low
low
low
x
floating
high
high
high
low
0
I
e
0
0
0
high
high > 25
μ
s
low
low
< Max Detection
Threshold Irradiance
> Max Detection
Threshold Irradiance
low
low
x
0
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