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DS3695N Datasheet(PDF) 1 Page - Texas Instruments |
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DS3695N Datasheet(HTML) 1 Page - Texas Instruments |
1 / 17 page DS3695, DS3695T, DS3696, DS3697 www.ti.com SNLS072C – MAY 1998 – REVISED APRIL 2013 Multipoint RS485/RS422 Transceivers/Repeaters Check for Samples: DS3695, DS3695T, DS3696, DS3697 1 FEATURES DESCRIPTION The DS3695, DS3696, and DS3697 are high speed 2 • Meets EIA standard RS485 for Multipoint Bus differential TRI-STATE bus/line Transmission and is Compatible with RS-422 transceivers/repeaters designed to meet the • 15 ns Driver Propagation Delays with 2 ns requirements of EIA standard RS485 with extended Skew (Typical) common mode range (+12V to −7V), for multipoint data transmission. • Single +5V supply • −7V to +12V Bus Common Mode Range The driver and receiver outputs feature TRI-STATE Permits ±7V Ground Difference Between capability. The driver outputs remain in TRI-STATE Devices on the Bus over the entire common mode range of +12V to −7V. Bus faults that cause excessive power dissipation • Thermal Shutdown Protection within the device trigger a thermal shutdown circuit, • High Impedance to Bus with Driver in TRI- which forces the driver outputs into the high STATE or with Power Off, Over the Entire impedance state. The DS3696 provides an output pin Common Mode Range Allows the Unused TS (thermal shutdown) which reports the occurrence Devices on the Bus to be Powered Down of the thermal shutdown of the device. This is an “open collector” pin with an internal 10 k Ω pull-up • Combined Impedance of a Driver Output and resistor. This allows the line fault outputs of several Receiver Input is Less than one RS485 Unit devices to be wire OR-ed. Load, Allowing up to 32 Transceivers on the Bus Both AC and DC specifications are specified over the 0°C to 70°C temperature and 4.75V to 5.25V supply • 70 mV Typical Receiver Hysteresis voltage range. Connection and Logic Diagrams Figure 1. PDIP (Top View) Figure 2. PDIP (Top View) See Package Number P (R-PDIP-T8) See Package Number P (R-PDIP-T8) Figure 3. PDIP (Top View) See Package Number P (R-PDIP-T8) TS pin was LF (Line Fault) in previous data sheets and reports the occurrence of a thermal shutdown of the device. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1998–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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