LM2901 LOW POWER QUAD VOLTAGE COMPARATORS . . .. . . . . WIDE SINGLE SUPPLYVOLTAGE RANGE OR DUAL SUPPLIES FOR ALL DEVICES : +2V TO +36V OR ±1V TO ±18V VERYLOW SUPPLYCURRENT(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) P TSSOP14 (Thin Shrink Small Outline Package) DESCRIPTION This device consists of four independent precision voltage comparators. All these comparators were designedspecifically 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 characteris-tic in that the input common-mode voltage range includes ground even though operated from a single power supply voltage. ORDER CODES Part Number LM2901 Package Temperature Range N D P -40, +125oC • • • Example : LM2901D PIN CONNECTIONS (top view) Output 2 1 14 Output 3 Output 1 2 13 Output 4 VCC+ 3 12 VCC - Inve rting input 1 4 11 Non-inve rting input 4 Non-inve rting input 1 5 10 Inve rting input 4 Inve rting inp ut 2 6 9 Non-inve rting input 3 7 8 Inve rting input 3 Non-inve rting input 2 December 1999 1/10 LM2901 SCHEMATIC DIAGRAM (1/4 LM2901) VCC 3.5 µA 100 µA 3.5 µA 100 µA Non-inve rting Input VO Inve rting Input VCC ABSOLUTE MAXIMUM RATINGS Symbol Parameter VCC Supply Voltage V id Differential Input Voltage VI Input Voltage LM2901 Unit ±18 to 36 V ±36 V -0.3 to +36 V 570 mW Output Short-circuit to Ground - note 1 P tot Power Dissipation Toper Operating Free-air Temperature Range Tstg Storage Temperature Range -40, +125 o C -65, +150 o C No tes : 1. S hort-ci rcuit f rom the output t o V CC + can cause excessi ve heat i ng and event ual destruct ion. T he maxi mum out put current i s approximatel y 20mA , i ndependent of t he magnit ude of V CC + . 2/10 LM2901 ELECTRICAL CHARACTERISTICS + o VCC = +5V, VCC = GND, Tamb = 25 C (unless otherwise specified) Symbol V io Iio Iib Avd ICC Vicm Typ. Max. Input Offset Voltage - note 2 Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax. Parameter 1 7 15 Input Offset Current Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax. 5 50 150 Input Bias Current (II+ or II–) - note 3 Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax. 25 250 400 Large Signal Voltage Gain (V CC = 15V, RL =15kΩ, VO = 1 to 11V) Min. mV nA nA V/mV 25 200 mA Supply Current (all comparators) V CC = +5V, no load V CC = +30V, no load Input Common oMode Voltage Range (VCC = 30V) - note 4 Tamb = +25 C Tmin. ≤ Tamb ≤ Tmax. 1.1 1.3 VCC+ Differential Input Voltage - note 6 VOL Low Level Output Voltage (V id = -1V, Isink = 4mA) Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax. 250 High Level (V CC = Tamb = Tmin. ≤ 0.1 Isink tre trel Small Signal Response Time - (note 5) (RL = 5.1kΩ connected to VCC+) Large Signal Response Time - (note 7) TTL Input (Vref = +1.4 V, RL = 5.1kΩ to VCC+) Output Signal at 50% of final value Output Signal at 95% of final value V V mV Output Current VO = 30V, Vid = 1V) +25oC Tamb ≤ Tmax. Output Sink Current (V id = -1V, VO = 1.5V) 2 2.5 VCC+ -1.5 V CC+ -2 0 0 V id IOH Unit 400 700 1 nA µA mA 6 16 µs 1.3 500 1 ns µs Notes : 2. A t out put swit ch poi nt, VO ≈ 1. 4V, R S = 0 wit h V C C + from 5V t o 30V , and over the f ull i nput common-mode range (0V to V CC + –1.5V). 3. T he di recti on of the i nput current i s out of the IC due t o the PNP i nput st age. Thi s current is essenti al l y constant, i ndependent of the st at e of t he output, so no loadi ng charge exi sts on the reference of i nput l i nes. 4. T he input common-mode vol tage of ei t her input signal vol tage shoul d not be all owed t o go negati ve by more t han 0. 3V . T he upper end of t he common-mode vol t age range i s V C C + –1.5V , but eit her or bot h i nput s can go t o +30V wit hout damage. 5. T he response ti me specif i ed is f or a 100mV i nput st ep wi th 5mV overdrive. 6. P osi ti ve excursi ons of i nput vol tage may exceed the power suppl y level . As l ong as the ot her vol t age remains wi t hi n the common-mode range, the comparat or wi l l provi de a proper output st at e. The low i nput volt age st ate must not be l ess than –0. 3V (or 0.3V bell ow t he negat i ve power suppl y, i f used). 7. Maxi mum val ues are guaranteed by desi gn. 3/10 LM2901 SUPPLY CURRENT versus SUPPLY VOLTAGE INPUT CURRENT versus SUPPLY VOLTAGE 80 Ta mb = -55 C INPUT CURRENT (nA) Ta mb = 0 C 0.8 T a m b = +2 5 C 0.6 Ta mb = +70 C 0.4 Tamb = +125 C 0.2 R L= 0 10 20 30 S UPP LY VOLTAGE (V) 40 10 1 10 0 10 -1 Tamb = +125 C Tamb = -55 C -2 10 -3 Ta mb = +25 C 10 -2 10 -1 10 0 10 Ta mb = -55 C Ta mb = +25 C 40 20 Ta mb = +125 C Ta mb = +70 C 0 10 20 30 S UPP LY VOLTAGE (V) 1 10 2 OUTP UT SINK CURRENT (mA) 6 5 4 3 2 1 0 0 -50 -1 00 Input ove rdrive : 5m V OUTPUT VOLTAGE (V) INPUT VOLTAGE (mV) 6 Input overdrive : 100mV 5 4 5mV 3 2 20mV 1 0 100 Ta mb = +25 C 50 0 0 0.5 1 1.5 TIME (µs ) 5V 5.1kΩ 20mV eI eo 100mV Ta mb= +25 C 0 0.5 1 TIME (µs ) RESPONSE TIME FOR VARIOUS INPUT OVERDRIVES - POSITIVE TRANSITION 4/10 40 RESPONSE TIME FOR VARIOUS INPUT OVERDRIVES - NEGATIVE TRANSITION Out of s aturation 10 Vi = 0V 9 R i = 10 Ω Ta mb = 0 C OUTPUT VOLTAGE (V) SATURATION VOLTAGE (V) OUTPUT SATURATION VOLTAGE versus OUTPUT CURRENT 60 INPUT VOLTAGE (mV) SUPPLY CURRENT (mA) 1 5V 5.1kΩ eI eo 2 1.5 2 LM2901 TYPICAL APPLICATIONS DRIVING CMOS BASIC COMPARATOR 5V VCC = 5V 15kΩ 100kΩ +V(ref) +V(re f) 1/4 LM2901 VO -V(re f) DRIVING TTL & 1/4 LM2901 -V(ref) LOW FREQUENCY OP AMP 5V 5V 15k Ω 10kΩ +V(ref) ~ 1/4 LM2901 & -V(ref) & LOW FREQUENCY OP AMP (e o= 1/4 LM2901 eI eo 1kΩ 100k Ω 0.5 µF A V = 100 TRANSDUCER AMPLIFIER 5V 0V for e I = 0V) 5V Magne tic pick-up 10kΩ 3kΩ 15kΩ 1/4 LM2901 ~ 0.5 µF eI 10 0kΩ 1kΩ 1/4 LM2901 2N 2222 eo 20MΩ eo 10kΩ A V= 100 5/10 LM2901 TYPICAL APPLICATIONS (continued) TIME DELAY GENERATOR VCC 10k Ω = +15V 3kΩ 200k Ω 15k Ω 10MΩ 10kΩ 1/4 LM2901 V3 VCC V O3 t0 t3 3k Ω 1/4 LM29 01 VCC 0 t O 10MΩ 51k Ω 10kΩ 10k Ω VC1 tA 1/4 LM2901 V2 V(re f.) VCC VO2 t0 t2 0 .00 1µF INP UT GATING SIGNAL 3kΩ VCC 10MΩ 51k Ω 10k Ω 1/4 LM29 01 V3 VC1V2 V1 VO1 VCC t0 t1 V1 0 t 0 t 1 t 2 t3 51k Ω t t4 LOW FREQUENCY OP AMP WITH OFFSET ADJUST ZERO CROSSING DETECTOR (single power supply) 5V 5V Offse t Adjus t 100k Ω 5V Rs eI 100k Ω 1MΩ 1MΩ R2 RI 15k Ω 1/4 LM2901 ~ eI 2N 2222 0.5 µF 5.1kΩ 100kΩ 5.1 kΩ 1N4148 1/4 LM2901 R1 100k Ω 20MΩ 1kΩ eo 6/10 10kΩ 5.1kΩ LM2901 TYPICAL APPLICATIONS (continued) TWO-DECADE HIGH-FREQUENCY VCO VCC 100kΩ 500pF Fre que ncy c ontrol voltage input vcontrol 3k Ω 3k Ω 5.1k Ω 1/4 LM2901 10k Ω VCC 100k Ω 1/4 LM2901 0.01 µF 0.1 µF 20k Ω Ou tput 1 VCC /2 Outp ut 2 20k Ω 50k Ω VCC /2 1/4 LM2901 VCC = +3 0V +250mV Vcontrol +5 0V 7 00 Hz fo 100kHz LIMIT COMPARATOR CRYSTAL CONTROLLED OSCILLATOR VCC= 15V VCC (12V) 2R S V(ref) h igh 200kΩ 10kΩ 100kΩ 1/4 LM2901 VCC La mp RS eI 2kΩ 1/4 LM2901 0.1 µF eo 0 ~ 2R S 1/4 LM2901 f = 100kHz 200kΩ 2N 2222 V(ref) low SPLIT-SUPPLY APPLICATIONS COMPARATOR WITH A NEGATIVE REFERENCE ZERO CROSSING DETECTOR 15V 15V 5.1kΩ 5.1k Ω eI 1/4 LM2901 ~ eo 1/4 LM2901 eI eo ~ 5V 15V 15V 7/10 LM2901 PM-DIP14.EPS PACKAGE MECHANICAL DATA 14 PINS - PLASTIC DIP a1 B b b1 D E e e3 F i L Z 8/10 Min. 0.51 1.39 Millimeters Typ. Max. 1.65 Min. 0.020 0.055 0.5 0.25 Inches Typ. 0.065 0.020 0.010 20 0.787 8.5 2.54 15.24 0.335 0.100 0.600 7.1 5.1 0.280 0.201 3.3 1.27 Max. 0.130 2.54 0.050 0.100 DIP14.TBL Dimensions LM2901 PM-SO14.EP PACKAGE MECHANICAL DATA 14 PINS - PLASTIC MICROPACKAGE (SO) Millimeters Min. Typ. A a1 Inches Max. Min. Typ. 1.75 Max. 0.069 0.1 0.2 b 0.35 0.46 0.014 0.018 b1 0.19 0.25 0.007 0.010 a2 0.004 0.008 1.6 C 0.063 0.5 0.020 45o (typ.) c1 D 8.55 8.75 0.336 E 5.8 6.2 0.228 e 1.27 e3 0.334 0.244 0.050 7.62 0.300 F 3.8 4.0 0.150 0.157 G 4.6 5.3 0.181 0.208 L 0.5 1.27 0.020 0.050 M S 0.68 SO14.TBL Dim. 0.027 o 8 (max.) 9/10 LM2901 PACKAGE MECHANICAL DATA 14 PINS - THIN SHRINK SMALL OUTLINE PACKAGE k c A C SEATING PLANE E1 L1 L 0,25 mm .010 inch GAGE PLANE E A2 7 aaa C D 8 e b A1 14 1 PIN 1 IDENTIFICATION Dim. Millimeters Min. Typ. A Max. Min. Typ. 1.20 A1 0.05 A2 0.80 b 0.19 c 0.09 D 4.90 E E1 Inches 1.00 5.00 0.05 0.15 0.01 0.006 1.05 0.031 0.30 0.007 0.15 0.20 0.003 0.012 5.10 0.192 0.039 0.196 6.40 4.30 e 4.40 0o l 0.50 0.60 0.041 0.20 0.252 4.50 0.169 0.173 0.65 k Max. 0.177 0.025 8o 0o 0.75 0.09 8o 0.0236 0.030 nformation furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. 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