ISL3180E Datasheet PDF - Intersil Corporation
| Part Number | ISL3180E | |
| Description | RS-485/RS-422 Transceivers | |
| Manufacturers | Intersil Corporation | |
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DATASHEET
High ESD Protected, +125°C, 40Mbps, 3.3V, Full
Fail-Safe, RS-485/RS-422 Transceivers
ISL3179E, ISL3180E
Intersil’s ISL3179E and ISL3180E are high ESD Protected (see
Table 2), 3.3V powered, single transceivers that meet both the
RS-485 and RS-422 standards for balanced communication.
Each device has low bus currents (+220µA/-150µA), so it
presents a “1/5 unit load” to the RS-485 bus. This allows up to
160 transceivers on the network without violating the RS-485
specification’s 32 unit load maximum, and without using
repeaters.
Receiver (Rx) inputs feature a “full fail-safe” design, which
ensures a logic high Rx output if Rx inputs are floating,
shorted, or terminated but undriven.
The ISL3180E is configured for full duplex applications. The
ISL3179E half duplex version multiplexes the Rx inputs and Tx
outputs to allow a transceiver with an output disable function
in 8 Ld packages.
Hot plug circuitry ensures that the Tx and Rx outputs remain in
a high impedance state while the power supply stabilizes.
Applications
• Motor controller/position encoder systems
• Factory automation
• Field bus networks
• Security networks
• Building environmental control systems
• Industrial/process control networks
Features
• High ESD protection on RS-485 I/O pins
- ISL3179E. . . . . . . . . . . . . . . . . . . . . . . . . ±16.5kV IEC61000
- ISL3180E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±12kV HBM
- Class 3 HBM level on all other pins (ISL3179E) . . . . . >9kV
• Specified for +125°C operation
• High data rates. . . . . . . . . . . . . . . . . . . . . . . . . . . up to 40Mbps
• 5V tolerant logic inputs
• 1/5 unit load allows up to 160 devices on the bus
• Full fail-safe (open, shorted, terminated/undriven) receiver
• Hot plug - Tx and Rx outputs remain three-state during
power-up
• Low quiescent current . . . . . . . . . . . . . . . . . . . . . . . 4mA (max)
• Low current shutdown mode . . . . . . . . . . . . . . . . . 1µA (max)
• -7V to +12V common-mode input voltage range
• Three-state Rx and Tx outputs
• 16/16.5ns (max) Tx/Rx propagation delays; 1.5ns (max) skew
• Operates from a single +3.3V supply (10% tolerance)
• Current limiting and thermal shutdown for driver overload
protection
• Pb-free (RoHS compliant)
TABLE 1. KEY DIFFERENCES BETWEEN HIGH-SPEED INTERFACE
FAMILY OF PARTS
PART
NUMBER
FULL/HALF
DUPLEX
VCC VOD
(V) (V)
DATA RATE
(Mbps)
ISL3179E
Half 3.3 1.5
40
ISL3180E
Full 3.3 1.5
40
ISL3159E
Half 5 2.1 40
ISL3259E
Half
5 2.1
100
+3.3V
(SOIC AND MSOP PIN NUMBERS SHOWN)
+3.3V
+
0.1µF
8
1 RO
VCC
R
2 RE
B/Z 7
RT
3 DE
A/Y 6
0.1µF +
RT 7
6
8
VCC
B/Z
A/Y
D DI 4
DE 3
RE 2
4 DI D
GND
5
R
GND
5
RO 1
FIGURE 1. TYPICAL OPERATING CIRCUIT - ISL3179E
August 25, 2015
FN6365.5
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2007-2008, 2011, 2015. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
|
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ISL3179E, ISL3180E
Absolute Maximum Ratings
VCC to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Input Voltages
DI, DE, RE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V
Input/Output Voltages
A, B, Y, Z, A/Y, B/Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -9V to +13V
RO. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (VCC +0.3V)
Short-circuit Duration
Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Rating . . . . . . . . . . . . . . see Electrical Specifications table on page 6
Thermal Information
Thermal Resistance (Typical)
JA (°C/W) JC (°C/W)
8 Ld SOIC Package (Note 4) . . . . . . . . . . . .
160
N/A
14 Ld SOIC Package (Note 4) . . . . . . . . . . .
91
N/A
8 Ld MSOP Package (Note 4) . . . . . . . . . . . 132.5
N/A
10 Ld DFN Package (Notes 5, 6) . . . . . . . .
46
3.5
Maximum Junction Temperature (Plastic Package) . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493
Operating Conditions
Temperature Range
ISL3179EF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C
ISL3179EI, ISL3180EI . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
4. JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
5. For JC, the “case temp” location is the center of the exposed metal pad on the package underside.
6. JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379
Electrical Specifications Test Conditions: VCC = 3.0V to 3.6V; Typicals are at VCC = 3.3V, TA = +25°C. Boldface limits apply across the
operating temperature range. (Note 7)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
MIN
MAX
(°C) (Note 17) TYP (Note 17) UNIT
DC CHARACTERISTICS
Driver Differential VOUT
Change in Magnitude of Driver
Differential VOUT for
Complementary Output States
VOD
VOD
RL = 100Ω (RS-422) (Figure 4A), (Note 16)
RL = 54Ω (RS-485) (Figure 4A)
No Load
RL = 60Ω, -7V ≤VCM ≤12V (Figure 4B), (Note 16)
RL = 54Ω or 100Ω (Figure 4A)
Full
Full
Full
Full
Full
2 2.3
-
1.5 2.1 VCC
- - VCC
1.5 2
-
-
0.01
0.2
V
V
V
V
Driver Common-mode VOUT
Change in Magnitude of Driver
Common-mode VOUT for
Complementary Output States
VOC
VOC
RL = 54Ω or 100Ω (Figure 4A)
RL = 54Ω or 100Ω (Figure 4A)
Full - 2 2.5 V
Full
-
0.02
0.2
V
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
Input Current (A, B, A/Y, B/Z)
Y or Z Output Leakage Current
Driver Short-circuit Current,
VO = High or Low
Receiver Differential Threshold
Voltage
VIH DI, DE, RE
Full 2 - - V
VIL DI, DE, RE
Full - - 0.8 V
IIN1 DI = DE = RE = 0V or VCC
Full -2 -
2 µA
IIN2 DE = 0V, VCC = 0V or 3.6V VIN = 12V
Full - - 220 µA
VIN = -7V
Full -160 -
- µA
IOZ DE = 0V, -7V ≤ VY or VZ ≤ 12V, ISL3180E Only Full -40 - 40 µA
IOSD1 DE = VCC, -7V ≤ VY or VZ ≤ 12V (Note 9)
Full
-
-
±250
mA
VTH -7V ≤ VCM ≤ 12V
Full -200 -
-50 mV
Receiver Input Hysteresis
Receiver Output High Voltage
VTH
VOH
VCM = 0V
IO = -12mA, VID = -50mV
25 - 28 - mV
Full VCC - 0.5 - - V
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FN6365.5
August 25, 2015
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| Information | Total 18 Pages | |
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| Download | [ ISL3180E.PDF Datasheet ] | |
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