MAX1785EUU+T Maxim Integrated, MAX1785EUU+T Datasheet
MAX1785EUU+T
Related parts for MAX1785EUU+T
MAX1785EUU+T Summary of contents
Page 1
... ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com. True Fail-Safe Receiver While Maintaining EIA/TIA-485 Compatibility Enhanced Slew-Rate Limiting Facilitates Error-Free Data Transmission (MAX3060E and MAX3061E) ...
Page 2
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT ABSOLUTE MAXIMUM RATINGS All Voltages with Respect to GND Supply Voltage (V ) ............................................................+7V CC Input Voltage (RE, DE, DI)..........................-0. Driver Output/Receiver Input Voltage (A, B) .......-7.5V ...
Page 3
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT DC ELECTRICAL CHARACTERISTICS (continued +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL RECEIVER ...
Page 4
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT SWITCHING CHARACTERISTICS—MAX3060E (V = +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Driver Input to ...
Page 5
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT SWITCHING CHARACTERISTICS—MAX3061E (V = +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Driver Input to ...
Page 6
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT SWITCHING CHARACTERISTICS—MAX3062E (V = +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL t DPLH Driver ...
Page 7
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT OD2 R B Figure 1. Driver DC Test Load OD2 B Figure 3. Driver Timing Test Circuit 5V DI 1.5V 0 ...
Page 8
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT 1.5V V OUTPUT RPHL RPLH 1V A -1V B INPUT Figure 7. Receiver Propagation Delays Figure 9. Receiver Propagation Delay Test Circuit (V ...
Page 9
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT (V = +5V +25°C, unless otherwise noted SHUTDOWN CURRENT vs. TEMPERATURE 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 -40 -15 10 ...
Page 10
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT (V = +5V +25°C, unless otherwise noted DRIVER OUTPUT CURRENT vs. DIFFERENTIAL OUTPUT VOLTAGE 100 10 1 0.1 0. ...
Page 11
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT PIN NAME Receiver Output. When RE is low and when ≥ -50mV high ≤ -200mV low ...
Page 12
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT Table 1. Transmitter Functional Table TRANSMITTING INPUTS Don’t care. *Shutdown mode, driver ...
Page 13
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT Hot-Swap Line Transient The circuit of Figure 11 shows a typical offset termina- tion used to guarantee a greater than 200mV offset when a line is not driven (the ...
Page 14
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT ESD Test Conditions ESD performance depends on a number of conditions. Contact Maxim for a reliability report that documents test setup, methodology, and results. Human Body Model Figure 15a ...
Page 15
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT Figure 18’s high-frequency harmonic components are much lower in amplitude, compared with Figure 17’s, and the potential for EMI is significantly reduced. Figure 19 shows the same signal displayed ...
Page 16
ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate- Limited RS-485/RS-422 Transceivers in a SOT 120Ω MAX3060E/MAX3061E/ MAX3062E (HALF-DUPLEX) Figure 20. Typical Half-Duplex RS-485 Network Typical Applications The MAX3060E family of transceivers are designed for bidirectional ...
Page 17
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 17 © 2007 Maxim Integrated Products ...