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LTC2804CGN-1 Datasheet(PDF) 1 Page - Linear Technology |
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LTC2804CGN-1 Datasheet(HTML) 1 Page - Linear Technology |
1 / 18 page 2801234fe LTC2801/LTC2802/ LTC2803/LTC2804 Product Selection Guide 1.8V to 5.5V RS-232 Single and Dual Transceivers tyPical aPPlication FeatureS aPPlicationS deScriPtion The LTC®2801/LTC2802/LTC2803/LTC2804 are single and dual RS-232 transceivers in narrow SSOP and chip-scale DFN packages. All operate over a supply range of 1.8V to 5.5V, which permits operation directly from two alkaline, NiCd or NiMH cells. An integrated DC-to-DC converter generates power supplies for driving RS-232 levels. A logic supply pin allows easy interfacing with different logic levels independent of the DC-DC supply. These parts are compatible with the TIA/EIA-232-F stan- dard. Driver outputs are protected from overload and can be shorted to ground or up to ±15V without damage. To extend battery life, receivers can be kept active, operating at reduced speed, with only 15µA current. In shutdown mode, current is further reduced to 1µA. n 1.8V to 5.5V Supply Voltage n Single and Dual Transceivers n High-Speed Operation 1Mbps for 250pF/3kΩ Load (LTC2802, LTC2804) 250kbps for 1nF/3kΩ Load 100kbps for 2.5nF/3kΩ TIA/EIA-232-F Load n Low-Power 1µA Shutdown and 15µA Receivers- Active Modes n No Damage or Latchup to ±10kV ESD on RS-232 Interface n Logic Supply Pin for Easy Level-Shifting to UART or Microprocessor n Low-Latency Output Enable Allows Line Sharing and Half-Duplex Operation n True RS-232 Compliant Output Levels n Small Footprint: LTC2801/LTC2802 4mm × 3mm DFN Package LTC2803/LTC2804 Narrow SSOP-16 and 5mm × 3mm DFN Packages n Battery-Powered Systems n Computers and Consumer Electronics n Diagnostic Ports LTC2802 at 1.8V and 1Mbps TIN TOUT ROUT 2V/DIV 5V/DIV 2V/DIV 400ns/DIV VCC = VL = 1.8V WRAPPING DATA TOUT LOAD = 250pF + RIN ROUT LOAD = 150pF 2801 TA01b VCC VL PS MODE TIN ROUT GND SW CAP TOUT RIN VEE LTC2802 2801 TA01a L1 10µH C2 1µF C3 1µF C1 220nF 1.8V TO 5.5V OFF ON VDD C4 1µF L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. PART NUMBER DRIVERS AND RECEIVERS MAXIMUM DATA RATE MODES* PACKAGE LTC2801 1 + 1 0.25Mbps SD, RA, DD, AO DFN-12 LTC2802 1 + 1 1Mbps SD, RA, DD, AO DFN-12 LTC2803 2 + 2 0.25Mbps SD, RA, DD, AO DFN-16 LTC2803-1 2 + 2 0.25Mbps SD, AO SSOP-16 LTC2804 2 + 2 1Mbps SD, RA, DD, AO DFN-16 LTC2804-1 2 + 2 1Mbps SD, AO SSOP-16 *SD = Shutdown, RA = Receiver Active (low power), DD = Drivers Disabled, AO = All On |
Similar Part No. - LTC2804CGN-1 |
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Similar Description - LTC2804CGN-1 |
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