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MAX3232IPWR Datasheet(PDF) 5 Page - Texas Instruments |
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MAX3232IPWR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 14 page MAX3232 3V TO 5.5V MULTICHANNEL RS232 LINE DRIVER/RECEIVER WITH ±15kV ESD PROTECTION SLLS410I − JANUARY 2000 − 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 VCC−0.6V VCC−0.1 V V VOL Low-level output voltage IOL = 1.6 mA 0.4 V VIT+ Positive-going input threshold voltage VCC = 3.3 V 1.5 2.4 V VIT+ Positive-going input threshold voltage VCC = 5 V 1.8 2.4 V VIT− Negative-going input threshold voltage VCC = 3.3 V 0.6 1.2 V VIT− Negative-going input threshold voltage VCC = 5 V 0.8 1.5 V Vhys Input hysteresis (VIT+ − VIT−) 0.3 V ri Input resistance VI = ±3 V to ±25 V 3 5 7 k W † All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C. NOTE 4: Test conditions are C1−C4 = 0.1 µF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 µF, C2−C4 = 0.33 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 300 ns tPHL Propagation delay time, high- to low-level output CL= 150 pF 300 ns tsk(p) Pulse skew‡ 300 ns † All typical values are at VCC = 3.3 V or 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 = 3.3 V ± 0.3 V; C1 = 0.047 µF, C2−C4 = 0.33 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 tTLH Generator (see Note B) RL RS-232 Output tTHL CL (see Note A) SR(tr) + 6V t THL or t TLH NOTES: A. CL includes probe and jig capacitance. B. The pulse generator has the following characteristics: PRR = 250 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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