Datasheet ADR380, ADR381 (Analog Devices) - 9

ADR380/ADR381
CBYPASS = 0.1µF CL = 1nF VOUT CL = 40pF 2 1V/DIV ) IV /D Ω0 CL = 0.1µF (1 T C LOAD OFF L = 1µF OUZ VLOAD ON 1 2V/DIV ILOAD = 1mA
0 23 02 0 5-
10 100 1k 10k 100k 1M
5-
TIME (200µs/DIV)
17
FREQUENCY (Hz)
17 02 02 Figure 20. ADR381 Load Transient Response with CL = 1 nF Figure 23. ADR381 Output Impedance vs. Frequency
150 CL = 100nF 100 VOUT 50 2 1V/DIV ) pm p ( 0 IFT LOAD OFF R D –50 VLOAD ON 1 2V/DIV I –100 LOAD = 1mA CONDITIONS: VIN = 6V IN A CONTROLLED ENVIRONMENT 50°C ± 1°C
1
–150
24 02
0 100 200 300 400 500 600 700 800 900 1000
0 5- 5-
TIME (200µs/DIV)
17
HOURS
17 02 02 Figure 21. ADR381 Load Transient Response with CL = 100 nF Figure 24. ADR380 Long-Term Drift
150 RL = 500Ω 100 50 2 VOUT ) 2V/DIV pm p ( 0 IFT R D –50 VIN 1 5V/DIV –100 CONDITIONS: VIN = 6V IN A CONTROLLED ENVIRONMENT 50°C ± 1°C
2
–150
02 25 0 5-
0 100 200 300 400 500 600 700 800 900 1000
5-
TIME (200µs/DIV)
17 17 02
HOURS
02 Figure 22. ADR381 Turn-On/Turn-Off Response at 5 V Figure 25. ADR381 Long-Term Drift Rev. C | Page 9 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ADR380 ELECTRICAL CHARACTERISTICS ADR381 ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION DEVICE POWER DISSIPATION CONSIDERATIONS INPUT CAPACITOR OUTPUT CAPACITOR APPLICATIONS INFORMATION STACKING REFERENCE ICs FOR ARBITRARY OUTPUTS A NEGATIVE PRECISION REFERENCE WITHOUT PRECISION RESISTORS PRECISION CURRENT SOURCE PRECISION HIGH CURRENT VOLTAGE SOURCE OUTLINE DIMENSIONS ORDERING GUIDE