Datasheet ICM7242 (Intersil) - 7

ICM7242
Typical Performance Curves 260 100M 240 220 TA = -20°C 10M 200 ) A) ( (
µ
180 T , R 1M N 160 T R A = +25°C O 140 T RECOMMENDED RANGE OF RRE IS 100k TIMING COMPONENT VALUES 120 S CU TA = +75°C Y 100 RE 10k PPL 80 ING U M S 60 TI 40 RESET MODE 1k 20 TA = +25°C 0 100 0 2 4 6 8 10 12 14 16 100pF 0.001 0.01 0.1 1 10 100 1000 10,000 SUPPLY VOLTAGE (V) TIMING CAPACITOR, C (µF) FIGURE 7. SUPPLY CURRENT vs SUPPLY VOLTAGE FIGURE 8. RECOMMENDED RANGE OF TIMING COMPONENT VALUES FOR ACCURATE TIMING 10,000 1500 VDD = 5.0V 1400 1,000 TA = +25°C T 1300 10k A = +25°C 100 s) n 1200 1100 10 (µF) 1000 IDTH ( E 100k C 1 900 N E W A 800 0.1 700 VDD = 16V ACIT 0.01 1M 600 R PULS V 500 DD = 5V CAP 0.001 1k 400 100p 300 TRIGGE 10M 200 10p 100 VDD = 2V 1p 0 0.1 1 10 100 1k 10k 100k 1M 10M 0 1 2 3 4 5 6 7 8 9 10 TIME BASE FREQUENCY (Hz) TRIGGER AMPLITUDE (V) FIGURE 9. TIMEBASE FREE RUNNING FREQUENCY vs R AND C FIGURE 10. MINIMUM TRIGGER PULSE WIDTH vs TRIGGER AMPLITUDE 1500 ) +10.0 1400 TA = 25°C +8.0 TA = +25°C 1300 ION (% 1200 T +6.0 R C 1100 10k 0.001µF +4.0 1000 VDD = 5V 1M 100pF 900 +2.0 1k 0.1µF 800 100k 0.001µF 0.0 700 10k 0.01µF 600 VDD = 2V -2.0 100k 0.01µF T PULSE WIDTH (ns) 500 E -4.0 400 RES 300 VDD = 16V -6.0 200 -8.0 100 0 NORMALIZED FREQUENCY DEVIA -10.0 0 1 2 3 4 5 6 7 8 9 10 2 4 6 8 10 12 14 16 18 20 RESET AMPLITUDE (V) SUPPLY VOLTAGE (V) FIGURE 11. MINIMUM RESET PULSE WIDTH vs RESET FIGURE 12. NORMALIZED FREQUENCY STABILITY IN THE AMPLITUDE ASTABLE MODE vs SUPPLY VOLTAGE
FN2866 Rev 5.00 Page 7 of 11 September 14, 2015