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File name:lm2901.pdf
[preview LM2901]
Size:101 kB
Model:LM2901 🔎
Original:LM2901 🔎
Descr:Low power quad voltage comparators
Group:Electronics > Components > Integrated circuits
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File name lm2901.pdf

LM2901 LOW POWER QUAD VOLTAGE COMPARATORS . . . . . . . . WIDE SINGLE SUPPLY VOLTAGE RANGE OR DUAL SUPPLIES FOR ALL DEVICES : +2V TO +36V OR 1V TO 18V VERY LOW SUPPLY CURRENT (1.1mA) INDEPENDENT OF SUPPLY VOLTAGE (1.4mW/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 DIP14 (Plastic Package) D SO14 (Plastic Micropackage) DESCRIPTION This device consists of four independent precision voltage comparators. All these comparators were designed specifically to operate from a single power 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. PIN CONNECTIONS (top view) ORDER CODES Part Number LM2901 Example : LM2901D Temperature Range -40, +125 C o Package N D Output 2 1 Output 1 2 14 13 12 11 10 9 8 Output 3 Output 4 V + 3 CC Invertinginput 1 4 Non-inverting input 1 5 Inverting input 2 6 Non-inverting input 2 7 VCCNon-inverting input 4 Inverting input 4 Non-inverting input 3 Inverting input 3 November 1995 1/9 LM2901 SCHEMATIC DIAGRAM (1/4 LM901) VCC 3.5A 100A 3.5A 100A Non-inverting Input VO Inverting Input VCC ABSOLUTE MAXIMUM RATINGS Symbol VCC Vid VI Ptot Toper Tstg Supply Voltage Differential Input Voltage Input Voltage Output Short-circuit to Ground - (note 1) Power Dissipation Operating Free-air Temperature Range Storage Temperature Range Parameter Value 18 to 36 36 -0.3 to +36 Infinite 570 -40, +125 -65, +150 mW o o Unit V V V C C Notes : 1. S hort- cir cui t f r om t he output t o V C C + can cause excessive heat i ng and eventual dest r uct i on. T he maxi mum output cur r ent is appr oxi mat el y 20mA, i ndependent of t he magni tude of V CC + . 2/9 LM2901 ELECTRICAL CHARACTERISTICS VCC+ = +5V, VCC- = GND, Tamb = 25oC (unless otherwise specified) Symbol Vio Input Offset Voltage (note 2) o T amb = +25 C T min. Tamb Tmax. Input Offset Current o T amb = +25 C T min. Tamb Tmax. Input Bias Current (II or II ) - (note 3) o T amb = +25 C T min. 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) (VCC = 30V) o T amb = +25 C T min. Tamb Tmax. Differential Input Voltage - (note 6) Low Level Output Voltage (Vid = -1V, Isink = 4mA) T amb = +25oC T min. Tamb Tmax. High Level Output Current ( Vid = 1V) (VCC = VO = 30V) T amb = +25oC T min. Tamb Tmax. Output Sink Current (Vid = -1V, VO = 1.5V) Response Time (note 5) + (R L = 5.1k connected to VCC ) 6 25 + Parameter Min. Typ. 1 Max. 7 15 Unit mV Iio nA

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