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MAX207CDB Datasheet(PDF) 5 Page - Texas Instruments |
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MAX207CDB Datasheet(HTML) 5 Page - Texas Instruments |
5 / 13 page MAX207 5V MULTICHANNEL RS232 LINE DRIVER/RECEIVER WITH ±15kV ESD PROTECTION SLLS592B − OCTOBER 2003 − REVISED JANUARY 2004 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 RECEIVER SECTION electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Note 4 and Figure 4) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VOH High-level output voltage IOH = −1 mA 3.5 VCC−0.4 V V VOL Low-level output voltage IOL = 1.6 mA 0.4 V VIT+ Positive-going input threshold voltage VCC = 5 V, TA = 25°C 1.7 2.4 V VIT− Negative-going input threshold voltage VCC = 5 V, TA = 25°C 0.8 1.2 V Vhys Input hysteresis (VIT+ − VIT−) 0.2 0.5 1 V ri Input resistance VI = ±3 V to ±25 V 3 5 7 k W † All typical values are at VCC = 5 V, and TA = 25°C. NOTE 4: Test conditions are C1−C4 = 0.1 µF at VCC = 5 V ± 0.5 V. switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Note 4 and Figure 3) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT tPLH Propagation delay time, low- to high-level output CL= 150 pF 0.5 10 µs tPHL Propagation delay time, high- to low-level output CL= 150 pF 0.5 10 µs tsk(p) Pulse skew‡ 300 ns † All typical values are at VCC = 5 V, and TA = 25°C. ‡ Pulse skew is defined as |tPLH − tPHL| of each channel of the same device. NOTE 4: Test conditions are C1−C4 = 0.1 µF, at VCC = 5 V ± 0.5 V. PARAMETER MEASUREMENT INFORMATION 50 Ω TEST CIRCUIT VOLTAGE WAVEFORMS 0 V 3 V Output Input VOL VOH tPLH (D) Generator (see Note B) RL RS-232 Output tPHL (D) CL (see Note A) SR(tr) + 6V t PHL (D) or t PLH (D) NOTES: A. CL includes probe and jig capacitance. B. The pulse generator has the following characteristics: PRR = 120 kbit/s, ZO = 50 Ω, 50% duty cycle, tr ≤ 10 ns, tf ≤ 10 ns. 1.5 V 1.5 V 3 V −3 V 3 V −3 V Figure 1. Driver Slew Rate |
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