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參數(shù)資料
| 型號： | ISL3175EIBZ |
| 廠商： | Intersil |
| 文件頁數(shù)： | 4/19頁 |
| 文件大小： | 0K |
| 描述： | TXRX ESD 3.3V RS-485/422 8-SOIC |
| 產品培訓模塊： | Solutions for Industrial Control Applications |
| 標準包裝： | 98 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS422，RS485 |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOICN |
| 包裝： | 管件 |
| 產品目錄頁面： | 1240 (CN2011-ZH PDF) |
12
FN6307.5
June 8, 2012
Built-In Driver Overload Protection
As stated previously, the RS-485 spec requires that drivers
survive worst case bus contentions undamaged. These
devices meet this requirement via driver output short circuit
current limits, and on-chip thermal shutdown circuitry.
The driver output stages incorporate short circuit current
limiting circuitry which ensures that the output current never
exceeds the RS-485 spec, even at the common mode
voltage range extremes. Additionally, these devices utilize a
foldback circuit which reduces the short circuit current, and
thus the power dissipation, whenever the contending voltage
exceeds either supply.
In the event of a major short circuit condition, devices also
include a thermal shutdown feature that disables the drivers
whenever the die temperature becomes excessive. This
eliminates the power dissipation, allowing the die to cool. The
drivers automatically re-enable after the die temperature
drops about 15°. If the contention persists, the thermal
shutdown/re-enable cycle repeats until the fault is cleared.
Receivers stay operational during thermal shutdown.
Low Power Shutdown Mode
These CMOS transceivers all use a fraction of the power
required by their bipolar counterparts, but some also include
a shutdown feature that reduces the already low quiescent
ICC to a 10nA trickle. These devices enter shutdown
whenever the receiver and driver are simultaneously
disabled (RE =VCC and DE = GND) for a period of at least
600ns. Disabling both the driver and the receiver for less
than 50ns guarantees that the transceiver will not enter
shutdown.
Note that receiver and driver enable times increase when the
transceiver enables from shutdown. Refer to Notes 8 through
for more information.
Typical Performance Curves VCC = 3.3V, TA = +25°C; Unless Otherwise Specified
FIGURE 7. DRIVER OUTPUT CURRENT vs DIFFERENTIAL
OUTPUT VOLTAGE
FIGURE 8. DRIVER DIFFERENTIAL OUTPUT VOLTAGE vs
TEMPERATURE
FIGURE 9. DRIVER OUTPUT CURRENT vs SHORT CIRCUIT
VOLTAGE
FIGURE 10. SUPPLY CURRENT vs TEMPERATURE
DIFFERENTIAL OUTPUT VOLTAGE (V)
DRIV
E
R
OUTPUT
CURRENT
(m
A)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
20
40
60
80
100
120
-40
0
50
85
TEMPERATURE (°C)
DIFFERE
N
T
IAL
OUT
P
UT
VOL
T
A
G
E
(V)
-25
25
75
RDIFF = 100Ω
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
2.25
2.30
2.35
RDIFF = 54Ω
OUTPUT VOLTAGE (V)
-7 -6
-4
-2
0
2
4
6
8
10
12
OUT
P
UT
CURRENT
(mA)
-50
0
50
100
150
200
-100
-150
Y OR Z = HIGH
Y OR Z = LOW
ISL317XE
ISL3170E THRU ISL3175E
ISL3176E/77E/78E
-40
0
50
85
TEMPERATURE (°C)
I CC
(mA)
-25
25
75
0.46
0.47
0.48
0.49
0.50
0.51
0.52
ISL3172E/75E/78E, DE = VCC, RE = X
ISL3170E/73E/76E, DE = X, RE = 0V; ISL3171E/74E/77E
ISL3172E/75E/78E, DE = 0V, RE = 0V
ISL3170E, ISL3171E, ISL3172E, ISL3173E, ISL3174E, ISL3175E,ISL3176E, ISL3177E, ISL3178E
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相關代理商/技術參數(shù) |
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| ISL3175EIBZ-T | 功能描述:TXRX ESD 3.3V RS-485/422 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:250 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
| ISL3175EIUZ | 功能描述:TXRX ESD 3.3V RS-485/422 8-MSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 產品目錄頁面:1402 (CN2011-ZH PDF) |
| ISL3175EIUZ-T | 功能描述:TXRX ESD 3.3V RS-485/422 8-MSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:250 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
| ISL3176E | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:RS-485/RS-422 Transceivers |
| ISL3176EIBZ | 功能描述:RS-422/RS-485 接口 IC ESD 14LD -40+85 3V RS-485 TRANS 1TX/1RX RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
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