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參數(shù)資料
| 型號： | ISO150AP |
| 英文描述： | Dual, Isolated, Bi-Directional DIGITAL COUPLER |
| 中文描述： | 雙路，隔離，雙向數(shù)字耦合器 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大小： | 156K |
| 代理商： | ISO150AP |
6
ISO150
TYPICAL PERFORMANCE CURVES
(CONT)
T
A
= +25
°
C, V
S
= +5V unless otherwise noted.
ISOLATION BARRIER
Data is transmitted by coupling complementary logic pulses
to the receiver through two 0.4pF capacitors. These capaci-
tors are built into the ISO150 package with Faraday shield-
ing to guard against false triggering by external electrostatic
fields.
The integrity of the isolation barrier of the ISO150 is
verified by partial discharge testing. 2400Vrms, 60Hz, is
applied across the barrier for one second while measuring
any tiny discharge currents that may flow through the
barrier. These current pulses are produced by localized
ionization within the barrier. This is the most sensitive and
reliable indicator of barrier integrity and longevity, and does
not damage the barrier. A device fails the test if five or more
current pulses of 5pC or greater are detected.
FIGURE 1. Basic Operation Diagram.
Conventional isolation barrier testing applies test voltage far
in excess of the rated voltage to catastrophically break down
a marginal device. A device that passes the test may be
weakened, and lead to premature failure.
APPLICATIONS INFORMATION
Figure 1 shows the ISO150 connected for basic operation.
Channel 1 is configured to transmit data from side B to A.
Channel 2 is set for transmission from side A to B. The R/T pins
for each of the four transceivers are shown connected to the
required logic level for the transmission direction shown. The
transmission direction can be controlled by logic signals
applied to the R/T pins. Channel 1 and 2 can be independently
controlled for the desired transmission direction.
TYPICAL INSULATION RESISTANCE vs TEMPERATURE
10
16
10
15
10
14
10
13
10
12
10
11
10
10
0
20
40
60
80
100
120
140
160
180
Temperature (°C)
I
)
NOTES: (1) Power Supplies and grounds on
side A and side B are isolated. (2) Recommended
bypass: 0.1
μ
F in parallel with 1nF.
Data In
+5V
(1)
+5V
(1)
(1)
(1)
(2)
(1)
(1)
(2)
Channel 2
Data Out
Channel 1
Data Out
Channel 2
Data In
Channel 1
(Transmit)
(Transmit)
(Receive)
(Receive)
Channel 2
Channel 1
Side A
Side B
G
A
D
2A
R/T
2A
D
2B
V
SB
R/T
2B
D
1B
G
B
R/T
1B
V
SA
D
1A
R/T
1A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISO150AU | 功能描述:隔離器接口集成電路 Dual Isol Bi-Dir Digital Coupler RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 傳播延遲時間: 電源電壓-最大:5.5 V 電源電壓-最小:3 V 電源電流:3.6 mA 功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 封裝:Tube |
| ISO150AU | 制造商:Texas Instruments 功能描述:DUAL ISOLATED BIDIRECTIONAL DIGITAL COUP |
| ISO150AU/1K | 功能描述:隔離器接口集成電路 Dual Isol Bi-Dir Digital Coupler RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 傳播延遲時間: 電源電壓-最大:5.5 V 電源電壓-最小:3 V 電源電流:3.6 mA 功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 封裝:Tube |
| ISO150AU/1KG4 | 功能描述:隔離器接口集成電路 Dual Isol Bi-Dir Digital Coupler RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 傳播延遲時間: 電源電壓-最大:5.5 V 電源電壓-最小:3 V 電源電流:3.6 mA 功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 封裝:Tube |
| ISO150AUE4 | 功能描述:隔離器接口集成電路 Dual Isol Bi-Dir Digital Coupler RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 傳播延遲時間: 電源電壓-最大:5.5 V 電源電壓-最小:3 V 電源電流:3.6 mA 功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 封裝:Tube |
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