SGS-Thomson LM2903 free download

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LM2903 LOW POWER DUAL VOLTAGE COMPARATORS . . . . . . . . WIDE SINGLE SUPPLY VOLTAGE RANGE OR DUAL SUPPLIES +2V TO +36V OR ±1V TO ±18V VERY LOW SUPPLY CURRENT (0.4mA) INDEPENDENT OF SUPPLY VOLTAGE (1 mW/comparator at +5V) LOW INPUT BIAS CURRENT : 25nA TYP LOW INPUT OFFSET CURRENT : ±5nA TYP INPUT COMMON-MODE VOLTAGE RANGE INCLUDES GROUND LOW OUTPUT SATURATION VOLTAGE : 250mV TYP. (IO = 4mA) DIFFERENTIAL INPUT VOLTAGE RANGE EQUAL TO THE SUPPLY VOLTAGE TTL, DTL, ECL, MOS, CMOS COMPATIBLE OUTPUTS N DIP8 (Plastic Package) D SO8 (Plastic Micropackage) PIN CONNECTIONS (top view) 1 2 3 4 + + 8 7 6 5 12345678Output 1 Inverting input 1 Non-inverting input 1 VCC Non-inverting input 2 Inverting input 2 Output 2 + VCC March 1996 1/9 2903-01.TBL DESCRIPTION This device consists of two independent low power voltage comparators designed specifically to operate from a single supply over a wide range of voltages. Operation from split power supplies is also possible. These comparators also have a unique characteristic in the fact that the input common-mode voltage range includes ground even though operated from a single power supply voltage. ORDER CODES Part Number Temperature Range o LM2903 ­40, +125 C Example : LM2903N Package N D · · LM2903 SCHEMATIC DIAGRAM (1/2 LM2903) V CC 3.5 µA 100 µA 3.5 µA 100 µA Non-inverting Input V V CC V CC O Inverting Input V CC ABSOLUTE MAXIMUM RATINGS Symbol VCC Vid Vi Ptot Toper Tstg No tes : Parameter Supply Voltage Differential Input Voltage Input Voltage Output Short-circuit to Ground ­ (note 1) Power Dissipation Operating Free-air TemperatureRange Storage Temperature Range Value ±18 or 36 ±36 ­0.3 to +36 Infinite 830 ­40 to +125 ­65 to +150 Unit V V V mW o C o C 2903-02.TBL 1. Short -circuit from the output to VCC + can cause excessi ve heat ing and+eventual destruction. The maximum output curr ent is approxi mately 20mA, i ndependent of the magni tude of VC C . 2/9 2903-02.EPS LM2903 ELECTRICAL CHARACTERISTICS VCC+ = +5V, VCC­ = 0V, T amb = 25oC (unless otherwise specified) Symbol Vio Parameter Input Offset Voltage ­ (note 2) Tamb = +25oC Tmin. Tamb Tmax. Input Bias Current ­ (note 3) o Tamb = +25 C Tmin. Tamb Tmax. Input Offset Current o Tamb = +25 C Tmin. Tamb Tmax. Large Signal Voltage Gain VCC = 15V, RL = 15k, Vo = 1 to 11V Supply Current (all comparators) VCC = 5V, no load VCC = 30V, no load Input Common Mode Voltage Range - (note 4) Tamb = +25oC Tmin. Tamb Tmax. Differential Input Voltage - (note 6) Output Sink Current (Vid = -1V, VO = 1.5V) Low Level Output Voltage (Vid = -1V, Isink = 4mA) o Tamb = 25 C Tmin. Tamb Tmax High Level Output Current (Vid = 1V, VCC = VO = 30V) Tamb = 25oC Tmin. Tamb Tmax Response Time + (R L = 5.1k to VCC ) ­ (note 5) Large Signal Response Time + (Vi = TTL, Vref = +1.4 V, RL = 5.1k to VCC ) Min. Typ. 1 Max. 7 15 nA 25 250 400 nA 5 50 150 V/mV 25 200 mA 0.4 1 0 0 1 2.5 VCC+ -1.5 + VCC -2 VCC+ 6 16 mV 250 400 700 V Unit mV Iib Iio Avd ICC Vicm Vid