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MAX232MLP 데이터시트(PDF) 8 Page - Maxim Integrated Products |
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MAX232MLP 데이터시트(HTML) 8 Page - Maxim Integrated Products |
8 / 38 page Input Logic-Low Voltage +5V-Powered, Multichannel RS-232 Drivers/Receivers ABSOLUTE MAXIMUM RATINGS—MAX225/MAX244–MAX249 ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (MAX225, VCC = +5.0V ±5%; MAX244–MAX249, VCC = +5.0V ±10%, external capacitors C1–C4 = 1µF; TA = TMIN to TMAX; unless otherwise noted.) (Note 7) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (Voltages referenced to GND.) Supply Voltage (VCC) ...............................................-0.3V to +6V Input Voltages TIN‚ ENA, ENB, ENR, ENT, ENRA, ENRB, ENTA, ENTB..................................-0.3V to (VCC + 0.3V) RIN .....................................................................................±25V TOUT (Note 6)....................................................................±15V ROUT........................................................-0.3V to (VCC + 0.3V) Short Circuit Duration (one output at a time) TOUT to GND ...........................................................Continuous ROUT to GND...........................................................Continuous Continuous Power Dissipation (TA = +70°C) 28-Pin Wide SO (derate 12.50mW/°C above +70°C) .............1W 40-Pin Plastic DIP (derate 11.11mW/°C above +70°C) ...611mW 44-Pin PLCC (derate 13.33mW/°C above +70°C) ...........1.07W Operating Temperature Ranges MAX225C_ _, MAX24_C_ _ ..................................0°C to +70°C MAX225E_ _, MAX24_E_ _ ...............................-40°C to +85°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering,10s)) .................................+300°C Soldering Temperature (reflow) 40 PDIP (P40M-2) ..........................................................+225°C All other lead(Pb)-free packages...................................+260°C All other packages containing lead(Pb) ........................+240°C VCC = 0V, VOUT = ±15V µA Tables 1a–1d ±0.01 ±25 Normal operation Shutdown Tables 1a–1d, normal operation All transmitter outputs loaded with 3k Ω to GND VENA, VENB, VENT, VENTA, VENTB = VCC, VOUT = ±15V V RS-232 Input Hysteresis RS-232 Input Logic-Low Voltage V V ±5 ±7.5 Output Voltage Swing Output Leakage Current (Shutdown) ±0.01 ±25 Ω 300 10M VCC = V+ = V- = 0V, VOUT = ±2V (Note 8) Transmitter Output Resistance µA PARAMETER ±0.05 ±0.10 MIN TYP MAX UNITS Normal operation, outputs disabled, Tables 1a–1d, 0V ≤ VOUT ≤ VCC, VENR_ = VCC TTL/CMOS Output Leakage Current 10 30 Sinking VOUT = VCC mA -2 -10 Sourcing VOUT = VGND V 3.5 VCC - 0.2 IOUT = -1.0mA TTL/CMOS Output Voltage High V 0.2 0.4 IOUT = 3.2mA TTL/CMOS Output Voltage Low k Ω 35 7 0.2 0.5 1.0 VCC = +5V 1.4 0.8 V TTL/CMOS Output Short-Circuit Current V 1.8 2.4 0.8 1.3 VCC = +5V RS-232 Input Resistance V ±25 RS-232 Input Voltage Operating Range mA ±7 ±30 VOUT = 0V Output Short-Circuit Current kbps 120 64 Data Rate CONDITIONS VCC = +5V µA ±0.01 ±1 Logic Pullup/lnput Current 10 50 Tables 1a–1d RS-232 Input Logic-High Voltage V 2 1.4 Input Logic-High Voltage RS-232 TRANSMITTERS RS-232 RECEIVERS Note 6: Input voltage measured with transmitter output in a high-impedance state, shutdown, or VCC = 0V. 8 Maxim Integrated MAX220–MAX249 MAX220–MAX249 |
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