SP3222E/SP3232E True +3.0V to +5.5V RS-232 Transceivers FEATURES Meets true EIA/TIA-232-F Standards EN 1 18 SHDN from a +3.0V to +5.5V power supply 2 17 VCC C1+ Minimum 120kbps Data Rate Under Full Load V+ 3 16 GND 1A Low Power Shutdown with C1- 4 15 T1OUT Receivers active (SP3222E) Interoperable with RS-232 down to a SP3222E 5 14 C2+ R1IN +2.7V power source 13 C2- 6 R1OUT Enhanced ESD Specifications: +15kV Human Body Model V- 7 12 T1IN +15kV IEC61000-4-2 Air Discharge 11 T2OUT 8 T2IN +8kV IEC61000-4-2 Contact Discharge R2IN 9 10 R2OUT nSOIC Now Available in Lead Free Packaging Note: See page 6 for other pinouts DESCRIPTION The SP3222E/SP3232E series is an RS-232 transceiver solution intended for portable or hand-held applications such as notebook or palmtop computers. The SP3222E/SP3232E series has a high-efficiency, charge-pump power supply that requires only 0.1F capaci - tors in 3.3V operation. This charge pump allows the SP3222E/SP3232E series to deliver true RS-232 performance from a single power supply ranging from +3.0V to +5.5V. The SP3222E/SP3232E are 2-driver/2-receiver devices. This series is ideal for portable or hand-held applications such as notebook or palmtop computers. The ESD tolerance of the SP3222E/SP3232E devices are over +/-15kV for both Human Body Model and IEC61000-4-2 Air discharge test methods. The SP3222E device has a low-power shutdown mode where the devices driver outputs and charge pumps are disabled. During shutdown, the supply current falls to less than 1A. SELECTION TABLE MODEL Power RS-232 RS-232 External Shutdown TTL of Supplies Drivers Receivers Components 3-State Pins SP3222E +3.0V to +5.5V 2 2 4 Capacitors Yes Yes 18, 20 SP3232E +3.0V to +5.5V 2 2 4 Capacitors No No 16 Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com SP3222E/SP3232E 101 031413 1ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability and cause permanent damage to the device. Power Dissipation per package V .......................................................-0.3V to +6.0V CC o o 20-pin SSOP (derate 9.25mW/ C above +70 C)..............750mW V+ (NOTE 1).......................................-0.3V to +7.0V o o 18-pin SOIC (derate 15.7mW/ C above +70 C)..............1260mW V- (NOTE 1)........................................+0.3V to -7.0V o o 20-pin TSSOP (derate 11.1mW/ C above +70 C).............890mW V+ + V- (NOTE 1)...........................................+13V o o 16-pin SSOP (derate 9.69mW/ C above +70 C)...............775mW I (DC V or GND current).........................+100mA CC CC o o 16-pin PDIP (derate 14.3mW/ C above +70 C)...............1150mW o o 16-pin Wide SOIC (derate 11.2mW/ C above +70 C)........900mW Input Voltages o o 16-pin TSSOP (derate 10.5mW/ C above +70 C)..............850mW TxIN, EN, SHDN...........................-0.3V to Vcc + 0.3V o o 16-pin nSOIC (derate 13.57mW/ C above +70 C)...........1086mW RxIN...................................................................+15V Output Voltages TxOUT.............................................................+13.2V RxOUT, .......................................-0.3V to (V +0.3V) CC Short-Circuit Duration TxOUT....................................................Continuous Storage Temperature......................-65C to +150C NOTE 1: V+ and V- can have maximum magnitudes of 7V, but their absolute difference cannot exceed 13V. ELECTRICAL CHARACTERISTICS Unless otherwise noted, the following specifications apply for V = +3.0V to +5.5V with T = T to T , CC AMB MIN MAX PARAMETER MIN. TYP. MAX. UNITS CONDITIONS DC CHARACTERISTICS Supply Current 0.3 1.0 mA no load, V = 3.3V, CC o T = 25 C, TxIN = GND or V AMB CC Shutdown Supply Current 1.0 10 A SHDN = GND, VCC = 3.3V, o T = 25 C, TxIN = Vcc or GND AMB LOGIC INPUTS AND RECEIVER OUTPUTS Input Logic Threshold LOW 0.8 V TxIN, EN, SHDN, Note 2 Input Logic Threshold HIGH 2.0 Vcc V Vcc = 3.3V, Note 2 Input Logic Threshold HIGH 2.4 Vcc V Vcc = 5.0V, Note 2 Input Leakage Current +0.01 +1.0 A TxIN, EN, SHDN, o T = +25 C, V = 0V to V AMB IN CC Output Leakage Current +0.05 +10 A Receivers disabled, V = 0V to V OUT CC Output Voltage LOW 0.4 V I = 1.6mA OUT Output Voltage HIGH V -0.6 V -0.1 V I = -1.0mA CC CC OUT DRIVER OUTPUTS Output Voltage Swing +5.0 +5.4 V All driver outputs loaded with 3k to o GND, T = +25 C AMB Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com SP3222E/SP3232E 101 031413 2