NJM2903/2403 SINGLE-SUPPLY DUAL COMPARATOR = GENERAL DESCRIPTION The NJM2903/2403 consist of two independent precision voltage comparators with an offset voltage specification as low as 5.0mV max for two comparators which were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. The NJM2903/2403 has a unique characteristics: the input common-mode voltage range includes ground, even though operated from a single power supply voltage. Application areas include limit comparators, simple analog-to-digital converters; pulse, square-wave and time delay generators; wide range Vco; MOS clock timers; multivibrators and high voltage digital logic gates. The NJM2903/2403 were designed to directly interface with TTL and CMOS. When operated from both plus and minus power supplies, the NJM2903/2403 will directly interface with MOS logic where their low power drain is a distinct advantage over standard comparators. FEATURES Operating Voltage (+2V ~+36V) Single Supply Operation Open Collector Output High Output Sink Current (1S5mA @2403) Package Outline DIP8, DMP8, SIP8, (SSOP8) Bipolar Technology = PIN CONFIGURATION = PACKAGE OUTLINE qb cA tJ f da PT Co 4 5 = NJM2903L/2403L NJM29030/24090 WJM2903M/2403M NJM2903/2403Y @ EQUIVALENT CIRCUIT (1/2 Shown) OUTPUT GND oO 5-24 ____- New Japan Radio Co,Ltd. PIN FUNCTION 1. A OUTPUT 2. A~INPUT 3. A+INPUT 4. GND 5. B+INPUT 6. B-INPUT 7. B OUTPUT 8. Vv NJM2903/2403 eee eee eee eee ener ee ee eee ee eens = ABSOLUTE MAXIMUM RATINGS (Ta=25T) PARAMETER SYMBOL] RATINGS UNIT Supply Voltage v 36(or +18) v Differential Input Voltage Vp 36 v Input Voltage Vin ~0.3~+36 v Pp (DIP8) 500 mW P Dissipati (DMP8) 300 mW ower Dissipation if (SSOP8) 250 mW (SIP8) 800 mW Operating Temperature Range Topr 40~ +85 Cc Storage Temperature Range Tstg 50~+125 c mw ELECTRICAL CHARACTERISTICS (V*=5V, Ta=25C) 2903 2403 PARAMETER SYMBOL TEST CONDITION UNIT MIN. | TYP. |} MAX.| MIN. | TYP. | MAX. Input Offset Voltage Vio Rs =00, Vo=14V _ _ 7 _ _ 10 mv Input Offset Current lio _ _ 50 _ | 100 nA Input Bias Current Ip _ 30 250 _ 40 500 nA Input Common Mode Voltage Range Vicm O~3.5 | |0-35) v Large Signal Voltage Gain Av Ri =15kQ _ 106 _ _ 106 _ dB Response Time tr Ri 5.1kQ _ 15) _ 1S | us Output Sink Current Isink Vin7=1, Vint =0V, 6 _ 20 _ _ mA Vo =1.5V Output Saturation Voltage VSaT Vin7=1V, Vint =0Vm | 200 400 _ _ _ mV Isink =3mA Output Saturation Voltage Vsat Vin7=1V, Vint =0V, _ _ _ {200 | 400 mV Isink= I5mA , Output Saturation Voltage TLeak | Vin7=OV, Vin*=O0V, _ _ 10]; _ 1.0 HA Vo =5V Operating Current lec _ 0.4 1.0 _ 0.5 1.5 mA New Japan Radio Co, Lid. 5-25 NJM2903/2403 @ TYPICAL CHARACTERISTICS Input Bias Current vs. Temperature (Vt=5V) Input Bias Current $ s gs e ~ Ss = 2 Qo 25 0 25 50 75 100-125 l wn oS Ambient Temperature Ta (C) Operating Current vs. Operating Voltage (Ta=25C ) 1.0 Operating Current o on 0 10 20 30 40 Operating Voltage v* (V) NJM2903 Output Saturation Voltage vs. Output Sink Current wJM2a03 (Vt=5V) Saturation Voltage g 8 8 0 4 8 12 16 20 Output Sink Current Isinx (mA) 5-26 New Japan Radio Co, Lhd. Input Offset Voltage vs. Temperature (Vt=5V) o oD g > 3 & 6 3 a 5 Vio 1 (mV) so -295 0 2 50 75 4100 125 Ambient Temperature Ta (C) input Bias Current vs. Operating Voltage (Ta=25 ) 80 5 5 3 60 3 a Z 40 Is 20 (nA) 0 10 20 30 40 Operating Voltage V* (V) NJM2403 Output Saturation Voltage vs. Output Sink Current wJM2403 (Vt=5V) Saturation Voltage g 8 8 0 4 8 12 16 20 Output Sink Current Isivc (mA) NJM2903/2403 w TYPICAL CHARACTERISTICS Response Time for Response Time for Various Input Overdrives Various Input Overdrives (Vt=5V, RL=5.1kQ, Ta=25C) (VT=5V, Ri=5.1kQ, Ta=25C) 5V - = 2 z= a ob c= as so 3 Input Over Drive o> IN 5. 1k Vo Over Drive Vo (V) (Vv) Vo vo <2 2 z= 32 ES} a6 & > 50 VIN Vin~1 (mV) (mV) 0.5 1.5 2.0 ; Time t (ys) Time t (us) NJM2903 Output Saturation Voltage NJM2403 Output Saturation Voltage vs. Operating Voltage vs. Operating Voltage (Ta=25 ) (Ta=25C) 300 y 300 o oh ob a = = g = = 5 Tyne = 20mA J 200 ss 200 Bs 3 =15mA 5 Od % =10mA Vsat Vsat (my) 20 (mV) 100 m Isivx = 5 mA =2mA 0 8 0 40 Operating Voltage V* (V) Operating Voltage V* (V) @ TYPICAL APPLICATIONS Comparator With Hysteresis Pulse Generator Output Strobing Circuit ve vt VREF < 3k 15k 6.2k OUTPUT + 9 INPUT OUTPUT 10k 10M OUTPUT Strobe Input New Japan Radio Co,Ltd. 5-27