Datasheet ADR3412, ADR3420, ADR3425, ADR3430, ADR3433, ADR3440, ADR3450 (Analog Devices) - 14

ADR3412/ADR3420/ADR3425/ADR3430/ADR3433/ADR3440/ADR3450 0 ) CL = 1.1µF IN –10 C /V IN = 0.1µF T –20 V OU B d –30 ( O TI –40 A 1 N R –50 IO CT 10µV/DIV –60 JE RE E –70 L P
8
IP
02
–80 TIME = 1s/DIV R
0- 44 08
–90 CH1 pk-pk = 18µV CH1 RMS = 3.14µV 10 100 1k 10k 100k
2500-
FREQUENCY (Hz)
44 08 Figure 15. ADR3425 Output Voltage Noise (0.1 Hz to 10 Hz) Figure 18. ADR3425 Ripple Rejection Ratio vs. Frequency
CIN = CL = 0.1µF RL = ∞ 1 VIN = 2V/DIV 1 100µV/DIV TIME = 200µs/DIV
9
2
0 02
TIME = 1s/DIV
03 0-
VOUT = 1V/DIV
0- 44 44 08 08
CH1 pk-pk = 300µV CH1 RMS = 42.0µV
Figure 16. ADR3425 Output Voltage Noise (10 Hz to 10 kHz) Figure 19. ADR3425 Start-Up Response
12 10 ENABLE V ) ENABLE = 1V/DIV VIN = 3.0v /√Hz CIN = CL = 0.1µF p 8 p- RL = ∞ V (µ Y IT 6 1 NS DE E 4 IS VOUT = 1V/DIV NO 2 TIME = 200µs/DIV 2
1 03 0- 44
0
08
0.1 1 10 100 1k 10k
2300-
FREQUENCY (Hz)
844 0 Figure 17. ADR3425 Output Noise Spectral Density Figure 20. ADR3425 Restart Response from Shutdown Rev. B | Page 14 of 24 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ADR3412 ELECTRICAL CHARACTERISTICS ADR3420 ELECTRICAL CHARACTERISTICS ADR3425 ELECTRICAL CHARACTERISTICS ADR3430 ELECTRICAL CHARACTERISTICS ADR3433 ELECTRICAL CHARACTERISTICS ADR3440 ELECTRICAL CHARACTERISTICS ADR3450 ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS AND MINIMUM OPERATING CONDITION THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION LONG-TERM STABILITY POWER DISSIPATION APPLICATIONS INFORMATION BASIC VOLTAGE REFERENCE CONNECTION INPUT AND OUTPUT CAPACITORS 4-WIRE KELVIN CONNECTIONS VIN SLEW RATE CONSIDERATIONS SHUTDOWN/ENABLE FEATURE SAMPLE APPLICATIONS Negative Reference Bipolar Output Reference Boosted Output Current Reference OUTLINE DIMENSIONS ORDERING GUIDE