ISL3158E Intersil Corporation, ISL3158E Datasheet

ISL3158E

Manufacturer Part Number

ISL3158E

Description

(ISL3150E - ISL3158E) RS-485/RS-422 Transceivers

Manufacturer

Intersil Corporation

Datasheet

1.ISL3158E.pdf (19 pages)

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±16.5kV ESD (IEC61000-4-2) Protected,

Large Output Swing, 5V, Full Fail-Safe, 1/8

Unit Load, RS-485/RS-422 Transceivers

The ISL315XE are BiCMOS, IEC61000 ESD protected, 5V

powered, single transceivers that meet both the RS-485 and

RS-422 standards for balanced communication. Each driver

output and receiver input is protected against

strikes without latch-up.

The ISL315XE transmitters all deliver exceptional differential

output voltages (2.4V min), into the RS-485 required 54Ω

load, for better noise immunity or to allow up to eight 120Ω

terminations in “star” or other non-standard bus topologies.

These devices have very low bus currents (+125μA/-75μA),

so they present a true “1/8 unit load” to the RS-485 bus. This

allows up to 256 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 on a terminated but undriven bus. Rx outputs

feature high drive levels - typically 28mA @ V

the design of optocoupled isolated interfaces).

The ISL3150E, ISL3152E, ISL3153E, ISL3155E utilize slew

rate limited drivers which reduce EMI, and minimize reflections

from improperly terminated transmission lines, or unterminated

stubs in multidrop and multipoint applications.

Hot Plug circuitry ensures that the Tx and Rx outputs remain

in a high impedance state until the power supply has

stabilized, and the Tx outputs are fully short circuit protected.

The ISL3150E, ISL3153E, ISL3156E are configured for full

duplex applications. The half duplex versions multiplex the

Rx inputs and Tx outputs to allow transceivers with output

disable functions in 8 Ld packages.

ISL3150E

ISL3152E

ISL3153E

ISL3155E

ISL3156E

ISL3158E

NUMBER

PART

HALF/FULL

DUPLEX

Half

Full

DATA RATE

(Mbps)

0.115

Data Sheet

SLEW-RATE

LIMITED?

Yes

16.5kV ESD

= 1V (to ease

TABLE 1. SUMMARY OF FEATURES

HOT PLUG

1-888-INTERSIL or 1-888-468-3774

Yes

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

# DEVICES

ON BUS

ISL3150E, ISL3152E, ISL3153E,

256

Features

• High Driver V

• IEC61000 ESD Protection on RS-485 I/O Pins

• Tiny MSOP Packages Save 50% Board Space

• Full Fail-safe (Open, Short, Terminated and Undriven)

• High Rx I

• Hot Plug Circuitry - Tx and Rx Outputs Remain

• True 1/8 Unit Load Allows up to 256 Devices on the Bus

• Specified for Single 5V, 10% Tolerance, Supplies

• High Data Rates . . . . . . . . . . . . . . . . . . . . . up to 20Mbps

• Low Quiescent Supply Current . . . . . . . . . . . . . . . 600

• -7V to +12V Common Mode Input Voltage Range

• Half and Full Duplex Pinouts

• Pb-Free Packaging (RoHS Compliant)

• Three-State Rx and Tx Outputs

• Current Limiting and Thermal Shutdown for Driver

Applications

• Utility Meters and Automated Meter Reading Systems

• High Node Count Systems

• PROFIBUS® and Field Bus Networks, and Factory

• Security Camera Networks

• Building Lighting and Environmental Control Systems

• Industrial/Process Control Networks

ISL3155E, ISL3156E, ISL3158E

December 14, 2006

Better Noise Immunity, or Drive Up to 8 Terminations

- Class 3 ESD Level on all Other Pins . . . . . . >7kV HBM

Receivers

Applications

Three-State During Power-up/Power-Down

Ultra Low Shutdown Supply Current . . . . . . . . . . . . 70nA

Overload Protection

Automation

All other trademarks mentioned are the property of their respective owners.

ENABLE?

Rx/Tx

Intersil (and design) is a registered trademark of Intersil Americas Inc.

Yes

to Drive Opto-Couplers for Isolated

. . . . . . . . . . . . . . 2.4V (Min) @ R

QUIESCENT

600

(μA)

SHUTDOWN?

LOW POWER

Yes

FN6363.0

. . . ±

COUNT

10, 14

16.5kV

= 54Ω

Related parts for ISL3158E

ISL3158E Summary of contents

Page 1

... Full 20 ISL3158E Half 20 1 ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E December 14, 2006 Features • High Driver V Better Noise Immunity, or Drive Terminations • IEC61000 ESD Protection on RS-485 I/O Pins - Class 3 ESD Level on all Other Pins . . . . . . >7kV HBM • Tiny MSOP Packages Save 50% Board Space ± ...

Page 2

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Pinouts ISL3152E, ISL3155E, ISL3158E (8 LD MSOP SOIC) TOP VIEW B A GND Ordering Information PART NUMBER (Notes 1, 2) PART MARKING ISL3150EIBZ 3150EIBZ ISL3150EIUZ 3150Z ISL3152EIBZ 3152EIBZ ISL3152EIUZ 3152Z ...

Page 3

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Truth Tables TRANSMITTING INPUTS NOTE: *Shutdown Mode (See Note 9). Pin Descriptions PIN Receiver output: If A-B ≥ -50mV high; If A-B ≤ -200mV low High if A and B are unconnected (floating) or shorted. ...

Page 4

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Typical Operating Circuit + B/Z A GND 5 ISL3150E, ISL3153E, ISL3156E (SOIC PIN NUMBERS SHOWN) + GND ISL3152E, ISL3155E, ISL3158E + 0.1μF ...

Page 5

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Absolute Maximum Ratings V to Ground Input Voltages DI, DE -0. Input/Output Voltages A/Y, B/ -9V to +13V A/Y, B/ (Transient Pulse Through 100Ω ±25V -0. Short Circuit Duration Continuous ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . See Specification Table CAUTION: Stresses above those listed in “ ...

Page 6

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Electrical Specifications Test Conditions: V (Note 4) (Continued) PARAMETER SYMBOL ΔV Receiver Input Hysteresis Receiver Output High Voltage V Receiver Output Low Voltage V Receiver Output Low Current I Three-State (high impedance) I OZR Receiver Output Current Receiver Input Resistance R Receiver Short-Circuit Current ...

Page 7

... SHDN Driver Enable from Shutdown to t ZH(SHDN) Output High Driver Enable from Shutdown to t ZL(SHDN) Output Low DRIVER SWITCHING CHARACTERISTICS (20Mbps Versions; ISL3156E, ISL3158E) Driver Differential Output Delay t PLH, Driver Differential Output Skew t SKEW Driver Differential Rise or Fall Time t R Maximum Data Rate ...

Page 8

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Electrical Specifications Test Conditions: V (Note 4) (Continued) PARAMETER SYMBOL Receiver Enable from Shutdown to t ZL(SHDN) Output Low RECEIVER SWITCHING CHARACTERISTICS (20Mbps Versions; ISL3156E, ISL3158E) Maximum Data Rate f MAX Receiver Input to Output Delay t PLH Receiver Skew | ...

Page 9

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Test Circuits and Waveforms SIGNAL GENERATOR FIGURE 2A. TEST CIRCUIT FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES SIGNAL Y GENERATOR PARAMETER OUTPUT Y/Z 0 (Note Y/Z 0 (Note 7) ...

Page 10

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Test Circuits and Waveforms 60Ω SIGNAL GENERATOR FIGURE 4A. TEST CIRCUIT SIGNAL GENERATOR FIGURE 5A. TEST CIRCUIT FIGURE 5. RECEIVER PROPAGATION DELAY AND DATA RATE RE B GND SIGNAL GENERATOR PARAMETER ...

Page 11

... The 115kbps and 1Mbps driver outputs are slew rate limited to minimize EMI, and to minimize reflections in unterminated or improperly terminated networks. Outputs of the ISL3156Eand ISL3158E drivers are not limited, so faster output transition times allow data rates of at least 20Mbps High V Improves Noise Immunity and Flexibility ...

Page 12

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E ESD Protection All pins on these devices include class 3 (>7kV) Human Body Model (HBM) ESD protection structures, but the RS-485 pins (driver outputs and receiver inputs) incorporate advanced structures allowing them to survive ESD events in excess of ±16.5kV HBM and ±16.5kV (1/2 duplex) IEC61000-4-2 ...

Page 13

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Typical Performance Curves 140 130 +25°C 120 +85°C 110 100 15Ω 20Ω DIFFERENTIAL OUTPUT VOLTAGE (V) FIGURE 8. DRIVER OUTPUT CURRENT vs DIFFERENTIAL OUTPUT VOLTAGE 200 150 LOW ...

Page 14

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Typical Performance Curves 290 288 286 284 282 280 278 276 274 272 270 -40 - TEMPERATURE (°C) FIGURE 14. DRIVER DIFFERENTIAL PROPAGATION DELAY vs TEMPERATURE (ISL3153E, ISL3155E -40 - TEMPERATURE (°C) FIGURE 16. DRIVER DIFFERENTIAL PROPAGATION DELAY ...

Page 15

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Typical Performance Curves R DIFF B A/Y 1 TIME (20ns/DIV) FIGURE 20. DRIVER AND RECEIVER WAVEFORMS, (ISL3156E, ISL3158E) Die Characteristics SUBSTRATE POTENTIAL (POWERED UP): GND TRANSISTOR COUNT: 530 PROCESS: Si Gate BiCMOS 5V +25°C; Unless Otherwise Specified (Continued) ...

Page 16

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Mini Small Outline Plastic Packages (MSOP -B- INDEX 1 2 0.20 (0.008) AREA TOP VIEW 0.25 (0.010) GAUGE PLANE SEATING PLANE - 0.10 (0.004) b -H- - 0.20 (0.008) SIDE VIEW 0.20 (0.008) NOTES: 1. These package dimensions are within allowable dimensions of JEDEC MO-187BA ...

Page 17

Page 18

... ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E Small Outline Plastic Packages (SOIC) N INDEX 0.25(0.010) H AREA E - SEATING PLANE - -C- α 0.10(0.004) 0.25(0.010 NOTES: 1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of Publication Number 95. ...

Page 19

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