Datasheet LTM2882 (Analog Devices) - 22
| Hersteller | Analog Devices |
| Beschreibung | Dual Isolated RS232 μModule Transceiver + Power |
| Seiten / Seite | 22 / 22 — TYPICAL APPLICATIONS. Figure 14. Isolated RS232 Interface with Handshaking |
| Dateiformat / Größe | PDF / 658 Kb |
| Dokumentensprache | Englisch |
TYPICAL APPLICATIONS. Figure 14. Isolated RS232 Interface with Handshaking
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LTM2882
TYPICAL APPLICATIONS
3.3V (LTM2882-3) 3.3V (LTM2882-3) 5V (LTM2882-5) 5V (LTM2882-5) 1.62V TO 5.5V VL VCC LTM2882 µC VCC2 PERIPHERAL VL VCC LTM2882 ON DE OFF ON ON DE DIN DOUT DIN DOUT T1IN T1OUT T1IN T1OUT TXD RX R2OUT R1IN V R1OUT R1IN 3V TO 25V R TION BARRIER L TION BARRIER XD TX 0V –25V TO 0V T2IN T2OUT T2IN T2OUT P ISOLA ISOLA Y RTS R2OUT R2IN V R2OUT R2IN L 3V TO 25V PZ CTS 0V –25V TO 0V GND GND2 GND GND2 2882 F14 2882 F15
Figure 14. Isolated RS232 Interface with Handshaking Figure 15. Isolated Dual Inverting Level Translator
3.3V (LTM2882-3) 5V (LTM2882-5) V 1k +V L VCC LTM2882 VCC2 S ON DE DIN DOUT RESET T1IN T1OUT PWMA LOGIC LEVEL FAULT R1OUT R1IN TION BARRIER FETS PWMB T2IN T2OUT ISOLA R2OUT R2IN GND GND2 IRLML6402 CMPT2369-LTV 1k 3k 3k 470pF IRLML2402 47pF RILIM = 0.6/MAX CURRENT 2882 F16
Figure 16. Isolated Gate Drive with Overcurrent Detection RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTM2881 Isolated RS485/RS422 µModule Transceiver with 20Mbps, ±15kV HBM ESD, 2500VRMS Isolation with 1W Power Low EMI Integrated DC/DC Converter LTC2870/LTC2871 RS232/RS485 Multiprotocol Transceivers with 20Mbps RS485 and 500kbps RS232, ±26kV ESD, 3V to 5V Operation Integrated Termination LTC2804 1Mbps RS232 Transceiver Dual Channel, Full-Duplex, ±10kV HBM ESD LTC1535 Isolated RS485 Transceiver 2500 VRMS Isolation with External Transformer Driver LTM2883 SPI/Digital or I2C Isolated µModule with Adjustable 2500 VRMS Isolation with Power in BGA Package 5V and 12V Rails LTM2892 SPI/Digital or I2C Isolated µModule 3500 VRMS Isolation, 6 Channels 2882fh 22 LT 0218 REV H • PRINTED IN USA www.linear.com/LTM2882 For more information www.linear.com/LTM2882 ANALOG DEVICES, INC. 2010 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS ISOLATION CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATIONS RELATED PARTS
TYPICAL APPLICATIONS
3.3V (LTM2882-3) 3.3V (LTM2882-3) 5V (LTM2882-5) 5V (LTM2882-5) 1.62V TO 5.5V VL VCC LTM2882 µC VCC2 PERIPHERAL VL VCC LTM2882 ON DE OFF ON ON DE DIN DOUT DIN DOUT T1IN T1OUT T1IN T1OUT TXD RX R2OUT R1IN V R1OUT R1IN 3V TO 25V R TION BARRIER L TION BARRIER XD TX 0V –25V TO 0V T2IN T2OUT T2IN T2OUT P ISOLA ISOLA Y RTS R2OUT R2IN V R2OUT R2IN L 3V TO 25V PZ CTS 0V –25V TO 0V GND GND2 GND GND2 2882 F14 2882 F15
Figure 14. Isolated RS232 Interface with Handshaking Figure 15. Isolated Dual Inverting Level Translator
3.3V (LTM2882-3) 5V (LTM2882-5) V 1k +V L VCC LTM2882 VCC2 S ON DE DIN DOUT RESET T1IN T1OUT PWMA LOGIC LEVEL FAULT R1OUT R1IN TION BARRIER FETS PWMB T2IN T2OUT ISOLA R2OUT R2IN GND GND2 IRLML6402 CMPT2369-LTV 1k 3k 3k 470pF IRLML2402 47pF RILIM = 0.6/MAX CURRENT 2882 F16
Figure 16. Isolated Gate Drive with Overcurrent Detection RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTM2881 Isolated RS485/RS422 µModule Transceiver with 20Mbps, ±15kV HBM ESD, 2500VRMS Isolation with 1W Power Low EMI Integrated DC/DC Converter LTC2870/LTC2871 RS232/RS485 Multiprotocol Transceivers with 20Mbps RS485 and 500kbps RS232, ±26kV ESD, 3V to 5V Operation Integrated Termination LTC2804 1Mbps RS232 Transceiver Dual Channel, Full-Duplex, ±10kV HBM ESD LTC1535 Isolated RS485 Transceiver 2500 VRMS Isolation with External Transformer Driver LTM2883 SPI/Digital or I2C Isolated µModule with Adjustable 2500 VRMS Isolation with Power in BGA Package 5V and 12V Rails LTM2892 SPI/Digital or I2C Isolated µModule 3500 VRMS Isolation, 6 Channels 2882fh 22 LT 0218 REV H • PRINTED IN USA www.linear.com/LTM2882 For more information www.linear.com/LTM2882 ANALOG DEVICES, INC. 2010 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS ISOLATION CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATIONS RELATED PARTS