ISL4491E Intersil Corporation, ISL4491E Datasheet
ISL4491E
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ISL4491E Summary of contents
Page 1
... RS-485 I/O Pin ESD Protection - Class 3 ESD Level on all Other Pins . . . . . . >7kV HBM • 1/8 Unit Load Allows up to 256 Devices on the Bus • High Data Rates (ISL4491E 15Mbps • Slew Rate Limited Version for Error Free Data Transmission (ISL4489E) • Very Low Quiescent Current: μ ...
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... DWG SOIC M14. SOIC M14.15 (Pb-free SOIC M14. SOIC M14.15 (Pb-free) OUTPUTS High-Z High FUNCTION ISL4489E, ISL4491E (SOIC) TOP VIEW GND ...
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... Typical Operating Circuit +5V + 0.1µ GND ISL4489E, ISL4491E ISL4489E, ISL4491E T +5V + 0.1µ GND 6, 7 FN6074.3 ...
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... V = 200mV -4mA 200mV 0.4V ≤ V ≤ 2.4V O -7V ≤ V ≤ 12V IN CM ISL4489E, DE, DI ISL4491E, DE, DI -7V ≤ V ≤ 12V (Note ≤ V ≤ θ (°C/W) JA 128 = 5V 25° TEMP (° ...
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... Receiver Enable to Output High t Receiver Enable to Output Low t Receiver Disable from Output High t Receiver Disable from Output Low t Maximum Data Rate f MAX SWITCHING CHARACTERISTICS (ISL4491E) Driver Input to Output Delay t PLH Driver Output Skew t SKEW Driver Differential Rise or Fall Time t R Driver Enable to Output High ...
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... Test Circuits and Waveforms SIGNAL GENERATOR FIGURE 2A. TEST CIRCUIT FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES 6 ISL4489E, ISL4491E FIGURE 1. DRIVER V AND 100pF L OUT (Y) DIFF C = 100pF L OUT (Z) DIFF OUT ( SKEW = | ...
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... R A SIGNAL GENERATOR FIGURE 4A. TEST CIRCUIT SIGNAL A GENERATOR PARAMETER FIGURE 5A. TEST CIRCUIT 7 ISL4489E, ISL4491E (Continued) 500Ω GND SW OUT ( (pF) L 1/0 GND 15 0 OUT (Y, Z) 1/0 GND 100 0/1 V 100 CC FIGURE 3. DRIVER ENABLE AND DISABLE TIMES 15pF FIGURE 4 ...
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... Data rates on these slew 8 ISL4489E, ISL4491E rate limited versions are a maximum of 250kbps. Outputs of ISL4491E drivers are not limited, so faster output transition times allow data rates of at least 15Mbps. Data Rate, Cables, and Terminations Twisted pair is the cable of choice for RS-485/422 networks. ...
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... ISL4489E 250 200 150 HIGH 100 100Ω DIFF 3 2 -40 0 -25 25 TEMPERATURE (°C) TEMPERATURE ISL4491E ISL4489E -40 0 -25 25 TEMPERATURE (°C) FIGURE 9. SUPPLY CURRENT vs TEMPERATURE R = 54Ω DIFF FN6074.3 ...
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... TEMPERATURE (ISL4489E PLHY 22 t PLHZ PHLY 16 -40 - TEMPERATURE (°C) FIGURE 12. DRIVER PROPAGATION DELAY vs TEMPERATURE (ISL4491E) R DIFF TIME (400ns/DIV) FIGURE 14. DRIVER AND RECEIVER WAVEFORMS, LOW TO HIGH (ISL4489E) 10 ISL4489E, ISL4491E 25°C; Unless Otherwise Specified (Continued) ...
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... Typical Performance Curves R DIFF TIME (20ns/DIV) FIGURE 16. DRIVER AND RECEIVER WAVEFORMS, LOW TO HIGH (ISL4491E) Die Characteristics SUBSTRATE POTENTIAL (POWERED UP): GND TRANSISTOR COUNT: 518 PROCESS: Si Gate BiCMOS 11 ISL4489E, ISL4491E 25°C; Unless Otherwise Specified (Continued 54Ω, C ...
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... 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. For information regarding Intersil Corporation and its products, see www.intersil.com 12 ISL4489E, ISL4491E M14.15 (JEDEC MS-012-AB ISSUE C) 14 LEAD NARROW BODY SMALL OUTLINE PLASTIC ...