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MAX3162EEAI Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX3162EEAI Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 26 page ±15kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VCC = +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10%; C1 = 0.047µF and C2, C3, C4 = 0.33µF when tested at +5V±10%; TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +3.3V and TA = +25°C.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS RS-232 RECEIVER INPUTS (R1IN, R2IN) Input Voltage Range -25 +25 V Logic-Input Low 0.8 VCC = +3.3V 2.0 Logic-input High VCC = +5V 2.4 V Input Hysteresis 0.5 V VCC = +3.0V to 5.5V 3 5 7 Input Resistance VCC = 0 6 11 16 k Ω RS-485/RS-422 RECEIVER INPUTS (Note 3) MAX3160E 48 Input Resistance RIN -7V < VCM < +12V MAX3161E/ MAX3162E 96 k Ω VCM = +12V 0.25 MAX3160E VCM = -7V -0.15 VCM = +12V 0.125 Input Current IIN MAX3161E/MAX3162E VCM = -7V -0.075 mA Input Differential Threshold VTH -7V ≤ VCM ≤ +12V -200 -50 mV Input Hysteresis ∆VTH 30 mV RS-232 TRANSMITTER OUTPUTS (T1OUT, T2OUT) Output Voltage Swing Both transmitter outputs loaded with 3k Ω to GND ±5 ±5.4 V Output Resistance VCC = V+ = V- = 0, T_OUT = ±2V 300 10M Ω Output Short-Circuit Current ISC T_OUT = GND ±30 ±60 mA MAX3160E ±125 MAX3161E ±25 Output Leakage Current IO VOUT = ±9V TE232 = GND or SHDN = GND MAX3162E ±25 µA RS-485/RS-422 TRANSMITTER OUTPUTS (Y, Z) R = 27 Ω (RS-485) 1.5 Differential Output Voltage VOD Figure 1 R = 50 Ω (RS-422) 2 V Change in Magnitude of Differential Output Voltage for Complementary Output States | ∆VOD| R = 27 Ω or 50Ω, Figure 1 0.2 V Common-Mode Output Voltage VOC R = 27 Ω or 50Ω, Figure 1 3 V Change in Magnitude of Common-Mode Output Voltage for Complementary Output States | ∆VOC| R = 27 Ω or 50Ω, Figure 1 0.2 V |
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