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ISO721MDR Datasheet(PDF) 2 Page - Texas Instruments |
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ISO721MDR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 29 page ISO721 DUBPackage (TopView) V CC1 IN V CC1 GND1 V CC2 GND2 OUT GND2 1 2 3 4 5 6 7 8 P0106-01 P0066-09 V CC1 IN V CC1 GND1 V CC2 GND2 OUT GND2 ISO721, D Package (Top View) ISO721M 1 2 3 4 8 7 6 5 P0066-10 V CC1 IN V CC1 GND1 V CC2 EN OUT GND2 ISO722, ISO722M D Package (Top View) 1 2 3 4 8 7 6 5 ISO721, ISO721M ISO722, ISO722M SLLS629J – JANUARY 2006 – REVISED JULY 2010 www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. DESCRIPTION (CONTINUED) The symmetry of the dielectric and capacitor within the integrated circuitry provides for close capacitive matching, and allows fast transient voltage changes between the input and output grounds without corrupting the output. The small capacitance and resulting time constant provide for fast operation with signaling rates(1) from 0 Mbps (dc) to 100 Mbps for the ISO721/ISO722, and 0 Mbps to 150 Mbps with the ISO721M/ISO722M. These devices require two supply voltages of 3.3-V, 5-V, or any combination. All inputs are 5-V tolerant when supplied from a 3.3-V supply and all outputs are 4-mA CMOS. The ISO722 and ISO722M devices include an active-low output enable that when driven to a high logic level, places the output in a high-impedance state and turns off internal bias circuitry to conserve power. Both the ISO721 and ISO722 have TTL input thresholds and a noise filter at the input that prevent transient pulses of up to 2 ns in duration from being passed to the output of the device. The ISO721M and ISO722M have CMOS VCC/2 input thresholds, but do not have the noise-filter and the additional propagation delay. These features of the ISO721M also provide for reduced-jitter operation. The ISO721, ISO721M, ISO722, and ISO722M are characterized for operation over the ambient temperature range of –40°C to 125°C. (1) The signaling rate of a line is the number of voltage transitions that are made per second expressed in the units bps (bits per second). AVAILABLE OPTIONS OUTPUT INPUT NOISE MARKED PRODUCT PACKAGE(1) ORDERING NUMBER ENABLED THRESHOLDS FILTER AS ISO721D (rail) D-8 ISO721DR (reel) ISO721 NO TTL YES ISO721 ISO721DUB (rail) DUB-8 ISO721DUBR (reel) ISO721MD (rail) ISO721M NO CMOS NO D-8 IS721M ISO721MDR (reel) ISO722D (rail) ISO722 YES TTL YES D-8 ISO722 ISO722DR (reel) ISO722MD (rail) ISO722M YES CMOS NO D-8 IS722M ISO722MDR (reel) (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI Web site at www.ti.com. 2 Submit Documentation Feedback Copyright © 2006–2010, Texas Instruments Incorporated Product Folder Link(s): ISO721 ISO721M ISO722 ISO722M |
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