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MAX3349EA Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX3349EA Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 17 page USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS 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. (All voltages referenced to GND, unless otherwise noted.) VUART, VL, VBUS, D+, D- ..........................................-0.3V to +6V VTRM .........................................................-0.3V to (VBUS + 0.3V) VP, VM, SUS, RX, TX, ENUM, RCV, OE, BD, -0.3V to (VL + 0.3V) Short Circuit Current (D+ and D-)...................................±150mA Maximum Continuous Current (all other pins) .................±15mA Continuous Power Dissipation (TA = +70°C) 16-Bump UCSP (derate 8.2mW/°C above +70°C) ....659.5mW 16-Pin 4mm x 4mm TQFN (derate 25.0mW/°C above +70°C).............................................................2000mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature .....................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Bump Temperature (soldering, reflow) ............................+235°C ELECTRICAL CHARACTERISTICS (VBUS = +4.0V to +5.5V, VUART = +2.7V to +3.3V, VL = +1.40V to +2.75V, TA = -40°C to +85°C, unless otherwise noted. Typical val- ues are at VBUS = +5V, VL = +1.8V, VUART = +2.75V (UART Mode), and TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SUPPLY INPUTS/OUTPUTS (VBUS, VUART, VTRM, VL) VBUS Input Range VBUS USB mode 4.0 5.5 V VL Input Range VL 1.40 2.75 V VUART Input Range VUART UART mode 2.7 3.3 V Regulated Supply-Voltage Output VTRM Internal regulator, USB mode 3.0 3.6 V Operating VBUS Supply Current IBUS Full-speed transmitting/receiving at 12Mbps, CL = 50pF on D+ and D- 10 mA Operating VUART Supply Current IVUART UART transmitting/receiving at 921kbaud, CL = 200pF 2.5 mA Static VUART Supply Current IVUART(STATIC) UART mode 3.5 5 µA Operating VL Supply Current IVL Full-speed transmitting/receiving at 12Mbps, CL = 50pF on D+ and D- 6mA Full-speed idle, VD+ > +2.7V, VD- < +0.3V 290 400 Full-Speed Idle and SE0 Supply Current IVBUS(IDLE) SE0: VD+ < +0.3V, VD- < +0.3V 340 450 µA Static VL Supply Current IVL(STATIC) Full-speed idle, SE0, suspend mode, or static UART mode 210 µA Sharing Mode VL Supply Current IVL(OFF) VBUS and VUART not present 2 5 µA USB Suspend VBUS Supply Current IVBUS(SUS) VM, VP unconnected; OE = 1, SUS = 1 38 65 µA VBUS DETECTION (BD) VL = +1.8V 1.8 2.7 3.4 USB Power-Supply Detection Threshold VTH_VBUS VL = +2.5V 2.3 3.2 4.0 V VL = +1.8V 80 USB Power-Supply Detection Hysteresis VHYS_VBUS VL = +2.5V 100 mV VL Power-Supply Detection Threshold VTH_VL 0.7 V |
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