ISL848X 查看數據表（PDF） - Intersil
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ISL848X Datasheet PDF : 44 Pages
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► RS-485/422
Transceiver Family
with the Highest Noise
Immunity and ESD
Protection in Small
Packages
Key Features
• 60% Higher Output
Voltage. 2.4V min vs.
typical 1.5V min
• IEC61000 ESD Protected
I/O Pins
• True 1/8 Unit Load
Applications
• Electronic Utility Meter
Reading Systems,
E-meter
• Industrial Air
Conditioning Systems
• PROFIBUS and Factory
Automation
RS-485/RS-422 Transceivers : ISL315xE, ISL317xE
Enhanced Noise Immunity
60% Higher Output Voltage (ISL315xE)
Intersil’s
ISL315xE
RS-485
Standard
1
1.5V
1.5
2
Output Voltage (V)
2.4V Provides enhanced noise immunity
and can drive longer cable lengths
or more cable terminations.
2.5
Space-saving Small Package
50% Smaller
8 Ld SOIC
8 Ld MSOP
Typical Operating Circuit
Full Fail-Safe Rx
Predictable performance
when bus faults occur.
+3.3V (ISL317xE)
+5V (ISL315xE)
ISL315xE
ISL317xE
3.3V or 5V Operation
IEC61000-4-2 ESD Protection
±15kV Airgap discharge, ±8kV contact
discharge (half-duplex versions).
+3.3V (ISL317xE)
+5V (ISL315xE)
ISL315xE
ISL317xE
Hot Plug Capability
Prevents data corruption
during power-up on an
active bus.
Fractional Unit Load Rx
Allows up to 256 devices on
the bus without expensive
repeaters.
Device
Devices Al-
lowed on Bus
Half/Full
Duplex
Hot Plug
5.5V, Fractional UL, 15kV ESD, Full Failsafe
ISL3150E
256
Full
Yes
ISL3152E
256
Half
Yes
ISL3153E
256
Full
Yes
ISL3155E
256
Half
Yes
ISL3156E
256
Full
Yes
ISL3158E
256
Half
Yes
3.3V, Fractional UL, 15kV ESD, Full Failsafe
ISL3170E
256
Full
Yes
ISL3172E
256
Half
Yes
ISL3173E
256
Full
Yes
ISL3175E
256
Half
Yes
ISL3176E
256
Full
Yes
ISL3178E
256
Half
Yes
Data Rate
(Mbps)
0.115
0.115
1
1
20
20
0.25
0.25
0.5
0.5
20
20
Slew Rate
Limited
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
No
Tx/Rx
SHDN ICC
Enable IS EN/DIS (µA)
(µA)
Yes
800/700
0.07
Yes
800/700
0.07
Yes
800/700
0.07
Yes
800/700
0.07
Yes
800/700
0.07
Yes
800/700
0.07
Yes
510/480
0.01
Yes
510/480
0.01
Yes
510/480
0.01
Yes
510/480
0.01
Yes
510/480
0.01
Yes
510/480
0.01
VCC Range
(+V)
Package
4.5 to 5.5
4.5 to 5.5
4.5 to 5.5
4.5 to 5.5
4.5 to 5.5
4.5 to 5.5
10 Ld MSOP, 14 Ld SOIC
8 Ld MSOP, 8 Ld PDIP, 8 Ld SOIC
10 Ld MSOP, 14 Ld SOIC
8 Ld MSOP, 8 Ld SOIC
10 Ld MSOP, 14 Ld SOIC
8 Ld MSOP, 8 Ld SOIC
3.0 to 3.6
3.0 to 3.6
3.0 to 3.6
3.0 to 3.6
3.0 to 3.6
3.0 to 3.6
10 Ld MSOP, 14 Ld SOIC
8 Ld MSOP, 8 Ld SOIC
10 Ld MSOP, 14 Ld SOIC
8 Ld MSOP, 8 Ld SOIC
10 Ld MSOP, 14 Ld SOIC
8 Ld MSOP, 8 Ld SOIC
18
Intersil Signal Path Products 2012 www.intersil.com
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