Datasheet OP497 (Analog Devices) - 7

OP497 ±3 1k T T A = 25°C A = 25°C V V S = ±15V S = ±2V TO ±20V ) V VCM = 0V ) ) µ ( Hz Hz E V/ LU fA/ A ( ±2 Y (n 100 Y L V IT IT A S S N CURRENT NOISE N IN E F DE E OM ISE D VOLTAGE NOISE IS O FR NO N ±1 E N 10 IO G NT T A E IA T V L E O D V CURR 0 1
2 5
0 1 2 3 4 5 1 10 100 1k
1 -01 0 9- 09
TIME AFTER POWER APPLIED (Minutes)
30 03
FREQUENCY (Hz)
0 00 Figure 11. Input Offset Voltage Warm-Up Drift Figure 14. Voltage Noise Density vs. Frequency
10k 10 BALANCED OR UNBALANCED TA = 25°C V V S = ±15V S = ±2V TO ±20V VCM = 0V ) E (µV) Hz G A T 1k L 1 O Y (µV/ V IT S 10Hz ET N S E F F 1kHz ISE D O 100 IVE O TA = 25°C 0.1 N T L A EC T F O EF T 10 0.01
3 6
10 100 1k 10k 100k 1M 10M
-01
100 1k 10k 100k 1M 10M
-01 09 09
SOURCE RESISTANCE (Ω)
03
SOURCE RESISTANCE (Ω)
0 03 0 Figure 12. Effective Offset Voltage vs. Source Resistance Figure 15. Total Noise Density vs. Source Resistance
100 BALANCED OR UNBALANCED 5mV 1s ) VS = ±15V °C VCM = 0V ) 100 V E (µV/ 90 /DI G A 10 T L O 100mV ( V E ET S AG F T F L O 1 V E IVE O T IS 10 EC NO 0% F VS = ±15V EF TA = 25°C 0.1
4
100 1k 10k 100k 1M 10M 100M
17 -01
0 2 4 6 8 10
0 9- 09
SOURCE RESISTANCE (Ω)
30 03
TIME (Seconds)
0 00 Figure 13. Effective TCVOS vs. Source Resistance Figure 16. 0.1 Hz to 10 Hz Noise Voltage Rev. E | Page 6 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONNECTIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION AC PERFORMANCE GUARDING AND SHIELDING OPEN-LOOP GAIN LINEARITY APPLICATIONS CIRCUIT PRECISION ABSOLUTE VALUE AMPLIFIER PRECISION CURRENT PUMP PRECISION POSITIVE PEAK DETECTOR SIMPLE BRIDGE CONDITIONING AMPLIFIER NONLINEAR CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE