ISL32614EFHZ-T7A Intersil Corporation, ISL32614EFHZ-T7A Datasheet

ISL32614EFHZ-T7A

Manufacturer Part Number

ISL32614EFHZ-T7A

Description

Manufacturer

Intersil Corporation

Datasheet

1.ISL32614EFHZ-T7A.pdf (11 pages)

Specifications of ISL32614EFHZ-T7A

Pack_quantity

250

Comm_code

85423990

Lead_time

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±16.5kV ESD Protected, +125°C, 1.8V to 3.6V,

Low Power, SOT-23, RS-485/RS-422 Transmitters

ISL32613E, ISL32614E

The Intersil ISL32613E and ISL32614E are ±16.5kV HBM ESD

Protected (7kV IEC61000 contact), 1.8V powered, single

transmitters for differential communication. These drivers

have very low bus currents (±40µA), so they present less than

a “1/8 unit load” to the bus. This allows more than 256

transmitters on the network, without violating the RS-485

specification’s 32 unit load maximum and without using

repeaters.

Hot Plug circuitry ensures that the Tx outputs remain in a high

impedance state while the power supply stabilizes.

Both ICs utilize slew rate limited drivers, which reduce EMI and

minimize reflections from improperly terminated transmission

lines or unterminated stubs in multidrop and multipoint

applications. The ISL32613E is more slew rate limited for data

rates up to 128kbps, while the less limited ISL32614E is

useful for data rates up to 256kbps.

For companion low power single RS-485 receivers, please see

the ISL32610E data sheet.

May 10, 2012

FN7906.1

100µ

10m

FIGURE 1. ISL32613E WITH V

10µ

1.8

= ∞, C

2.0

BY A FACTOR OF 177 COMPARED WITH I

2.2

= 3.6V

= 50pF

2.4

2.6

DYNAMIC (128kbps)

= 1.8V REDUCES OPERATING

(V)

2.8

3.0

STATIC

3.2

3.4

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

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

3.6

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

Features

• Wide Supply Voltage Range . . . . . . . . . . . . . . . . . 1.8V to 3.6V

• Low Quiescent Supply Current . . . . . . . . . . . . . . . 80µA (Max)

• High ESD Protection on RS-485 Outputs . . . . ±16.5kV HBM

• Specified for +125°C or Full Military Temperature Range

• Hot Plug - Tx Outputs Remain Three-state During Power-up

• Low Tx Leakage Allows >256 Devices on the Bus

• Slew Rate Limited for Data Rates Up to 256kbps

• Current Limiting and Thermal Shutdown for Driver Overload

• 5V Tolerant Logic Inputs

• Pb-Free (RoHS Compliant)

Applications

• Industrial/Process Control Networks

• Space-constrained Systems

• Factory Automation

• Building Environmental Control/Lighting Systems

Truth Table

NOTE: *Shutdown Mode

- Very Low Shutdown Supply Current . . . . . . . . . . 2µA (Max)

- Class 3 ESD Level on All Other Pins. . . . . . . . . . >8kV HBM

Protection

DE (Note 9)

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

INPUTS

TRANSMITTING

High-Z *

OUTPUTS

High-Z *

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