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MAX3325 Fiches technique(PDF) 2 Page - Maxim Integrated Products |
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MAX3325 Fiches technique(HTML) 2 Page - Maxim Integrated Products |
2 / 12 page 3V Dual RS-232 Transceiver with LCD Supply and Contrast Controller 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VDD = +3.0V to +3.6V, VL = +3.3V, circuit and components of Figure 1, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VDD = +3.3V, TA = +25°C.) 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. VDD, VL to GND ........................................................-0.3V to +6V LCD, REF-, TEMP to GND .............................-6V to (VDD + 0.3V) V+ to GND (Note 1) ..................................................-0.3V to +7V V- to GND (Note 1) ...................................................+0.3V to -7V V+ to |V-| (Note 1) ................................................................+13V REF+, FB, R_OUT to GND ............................-0.3V to (VL + 0.3V) Input Voltages T_OUT, SDLCD, SD232, UP, DOWN to GND.......-0.3V to +6V R_IN to GND ....................................................................±25V Output Voltages T_OUT to GND.................................................................±13V R_OUT to GND..........................................-0.3V to (VL + 0.3V) REG to GND .........................................................-0.3V to +6V Short-Circuit Duration (T_OUT, REF+, REF-) .............Continuous Continuous Output Current REG.................................................................................75mA LCD .................................................................................40mA Continuous Power Dissipation 28-Pin SSOP (derate 9.52mW/°C above +70°C) .........762mW 28-Pin NDIP (derate 14.3mW/°C above +70°C) ........1143mW Operating Temperature Range MAX3325C_I .......................................................0°C to +70°C MAX3325E_I ....................................................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10sec) .............................+300°C Note 1: V+ and V- can have maximum magnitudes of +7V, but their absolute difference cannot exceed 13V. VFB = 0, CMOS input 3V < VDD < 3.6V 1 transmitter loaded with 5k Ω, TA = +25°C ITEMP < 22µA TA = +25°C Guaranteed monotonic No load No load, VDD = VL = 3.3V, TA = +25°C No load, VDD = VL = 3.3V, TA = +25°C CONDITIONS nA -10 0 10 Input Leakage Current (Note 2) mV -20 0 20 Feedback Regulation Point mA 50 Short-Circuit Current mV 650 Line Regulation 4.7 5 5.3 mV/°C -18 TEMP Voltage Temperature Coefficient V -3.2 TEMP Output k Ω 35 50 65 Output Impedance mV -15 0 10 Zero-Scale Voltage V 1.13 1.2 1.27 Full-Scale Voltage Bits 6 µA 0.5 10 VL Supply Current mA 24 VDD Supply Current UNITS MIN TYP MAX PARAMETER SD232, SDLCD = GND; all input pins = GND or VDD; VDD = VL = 3.3V; TA = +25°C µA 0.5 10 VDD Shutdown Supply Current VLCD = -4.0V, load = 0 to -3mA mV 20 LCD Load Regulation (Note 3) V 5 REG Output Voltage 0 < VDAC < VREF+, IDAC ≤ 10µA No load VCC ≥ 3.15V, IREG = 0 to 11mA VCC ≥ 3.0V, IREG = 0 to 7mA DC CHARACTERISTICS DIGITAL-TO-ANALOG CONVERTER TEMPERATURE SENSOR POSITIVE LINEAR REGULATOR NEGATIVE LINEAR REGULATOR—LCD BIAS Resolution |
Numéro de pièce similaire - MAX3325 |
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Description similaire - MAX3325 |
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