ISL32610EFHZ-T7A Intersil, ISL32610EFHZ-T7A Datasheet

ISL32610EFHZ-T7A

Manufacturer Part Number

ISL32610EFHZ-T7A

Description

RS-422/RS-485 Interface IC SNG RS-485 1.8V REC 5LD EXT TEMP 12

Manufacturer

Intersil

Datasheet

1.ISL32610EFHZ-T7A.pdf (12 pages)

Specifications of ISL32610EFHZ-T7A

Product Category

RS-422/RS-485 Interface IC

Rohs

yes

Data Rate

256 Kbps, 500 Kbps

Operating Supply Voltage

1.8 V to 3.6 V

Supply Current

0.085 mA

Operating Temperature Range

- 40 C to + 125 C

Mounting Style

SMD/SMT

Package / Case

SOT-23-5

Function

Receiver

Maximum Operating Temperature

+ 125 C

Minimum Operating Temperature

- 40 C

Number Of Receivers

Shutdown

Current page: 1 of 12
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±16.5kV ESD Protected, 1.8V, Micro Power, +125°C,

1/8 Unit Load, RS-485/RS-422 Differential Receivers

ISL32610E, ISL32611E, ISL32612E

The ISL32610E, ISL32611E, ISL32612E are ±16.5kV

IEC61000 ESD protected, fractional unit load (UL), 1.8V

powered, single differential receivers (Rx) for balanced (e.g.,

RS-485) data communication. With their 85µA supply

currents, these receivers are optimized for low power

applications, and deliver the lowest supply currents of any

available single Rx IC (see Figure 1).

To improve performance in low data rate applications with

slow signal transitions, these Rx feature symmetrical switching

points (±200mV) and increased hysteresis. The symmetrical

switching points eliminate the duty cycle distortion introduced

by “full-failsafe” type receivers (see Figure 2), while the larger

hysteresis increases noise immunity.

Receivers present a 1/8 “unit load” to the data bus, which

allows up to 256 devices on the network for large node count

systems (e.g., process automation, remote meter reading

systems). The ISL32611E/ISL32612E Rx output is tri-statable

via the RE/RE input.

Receiver inputs feature a “failsafe-if-open” design, which

ensures a logic high Rx output if Rx inputs are floating. Data

rates up to 256kbps are achievable with this device at

See Table 1 for a summary of each device’s features. For a

companion 1.8V differential transmitter in a SOT-23 package,

reference the

October 21, 2011

FN7869.0

FIGURE 1. ISL3261XE REDUCES OPERATING I

500

450

400

350

300

250

200

150

100

= 1.8V.

1.8

2.0

ISL32613E

4 FROM PREVIOUS GENERATION RECEIVER ICs, AND

OPERATES WITH SUPPLY VOLTAGES AS LOW AS 1.8V

2.2

ISL3282E

2.4

DYNAMIC (256kbps)

data sheet.

STATIC

2.6

(V)

2.8

DYNAMIC (256kbps)

STATIC

3.0

BY A FACTOR OF

3.2

ISL3261XE

3.4

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

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

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

• Ultra Low Quiescent Supply Current . . . . . . . . . 110µA (Max.)

• IEC61000 ESD Protection on RS-485 Bus Pins . . . . ±16.5kV

• Symmetrical Switching Thresholds for Less Duty Cycle

• Larger Hysteresis for Improved Noise Immunity . . . . . 70mV

• Data Rates up to 256kbps (1.8V) or 500kbps (3.3V)

• 1/8 Unit Load Allows up to 256 Devices on the RS-485 Bus

• Specified for +125°C Operation

• Three State Rx Output Available

• 5V Tolerant Logic Inputs

• Pb-Free (RoHS Compliant)

Applications

• Industrial/Process Control Networks, Factory Automation

• High Node Count Networks

• Space Constrained Systems

• Building Environmental Control Systems

FIGURE 2. COMPARED WITH A FULL-FAILSAFE RECEIVER, THE

-1

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

Distortion (see Figure 2)

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

A-B

= 3.3V, DATA RATE = 125kbps

SYMMETRICAL RX THRESHOLDS OF THE ISL3261XE

DELIVER LESS OUTPUT DUTY CYCLE DISTORTION

WHEN DRIVEN WITH SLOW INPUT SIGNALS

ISL3282E

ISL3261XE

TIME (4µs/DIV)

Related parts for ISL32610EFHZ-T7A

ISL32610EFHZ-T7A Summary of contents

Page 1

... WHEN DRIVEN WITH SLOW INPUT SIGNALS CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 Intersil (and design trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. ISL3261XE ISL3282E TIME (4µ ...

Page 2

... ISL32610E, ISL32611E, ISL32612E PART NUMBER CONFIGURATION ISL32610E Rx Only ISL32611E Rx Only ISL32612E Rx Only Ordering Information PART NUMBER (Notes ISL32610EFHZ-T 610F ISL32610EFHZ-T7A 610F ISL32611EFHZ-T 611F ISL32611EFHZ-T7A 611F ISL32612EFHZ-T 612F ISL32612EFHZ-T7A 612F NOTES: 1. Please refer to TB347 for details on reel specifications. 2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations) ...

Page 3

ISL32610E, ISL32611E, ISL32612E Pin Descriptions PIN NUMBER PIN NAME ISL32610E ISL32611E ISL32612E GND Typical Operating Circuit +1. ...

Page 4

... Ld SOT-23 Package (Note Maximum Junction Temperature (Plastic Package +150°C Storage Temperature Range -65°C to +150°C +0.3V) Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below CC http://www.intersil.com/pbfree/Pb-FreeReflow.asp Recommended Operating Conditions Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +125°C Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8V to 3.3V Common Mode Input Voltage -2V to +2V ...

Page 5

ISL32610E, ISL32611E, ISL32612E Electrical Specifications Test Conditions: V limits apply over the operating temperature range, -40°C to +125°C. (Note 9) PARAMETER SYMBOL SWITCHING CHARACTERISTICS Maximum Data Rate f MAX Receiver Input to Output Delay t PLH Receiver Skew | t ...

Page 6

ISL32610E, ISL32611E, ISL32612E Test Circuits and Waveforms SIGNAL A GENERATOR PARAMETER FIGURE 4A. TEST CIRCUIT FIGURE 4. RECEIVER ENABLE AND DISABLE TIMES (EXCLUDING ISL32610E) 6 (Continued) ...

Page 7

ISL32610E, ISL32611E, ISL32612E Application Information Features These devices utilize a differential input receiver for maximum noise immunity and common mode rejection. Input sensitivity is ±200mV, as required by the RS-422 and RS-485 standards. These receivers’ symmetrical ±200mV switching thresholds deliver ...

Page 8

ISL32610E, ISL32611E, ISL32612E Typical Performance Curves 1. LOW 0.2 0.4 0.6 0.8 1.0 RECEIVER OUTPUT VOLTAGE (V) FIGURE 5. RECEIVER OUTPUT CURRENT vs RECEIVER OUTPUT VOLTAGE ...

Page 9

ISL32610E, ISL32611E, ISL32612E Typical Performance Curves A ∞ TIME (10µs/DIV) FIGURE 11. ISL32614E AND ISL32611E PERFORMANCE WITH V = 1.8V, 256kbps, 1000’ (305m) CAT 5 CABLE CC ...

Page 10

... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. ...

Page 11

ISL32610E, ISL32611E, ISL32612E Package Outline Drawing P5.064 5 LEAD SMALL OUTLINE TRANSISTOR PLASTIC PACKAGE Rev 3, 4/11 3 3.00 2.80 (1.90 (0.95) 0.50 0.30 0.20 (0.008 TOP VIEW 0.10 (0.004) C SIDE VIEW 5 (2.4) ...

Page 12

ISL32610E, ISL32611E, ISL32612E Package Outline Drawing P6.064 6 LEAD SMALL OUTLINE TRANSISTOR PLASTIC PACKAGE Rev 4, 2/10 1.90 0. PIN 1 INDEX AREA 0.40 ±0.10 0.20 TOP VIEW 3 2.90 ±0.10 SIDE ...

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