Datasheet ADR3512 (Analog Devices) - 9

Data Sheet ADR3512 0 CL = 1.1µF ) CIN = 0.1µF IN –10 /V ENABLE T 1V/DIV –20 OU V C B IN = CL = 0.1µF d –30 VIN = 3V ( RL = 1kΩ TIO –40 A R 1 N –50 IO CT –60 JE RE E –70 L P P V –80 2 OUT = 1V/DIV
4
RI
2
TIME = 200µs/DIV
-0 3 1 111
–90 10 100 1k 10k 100k
-021
FREQUENCY (Hz)
113 1 1 Figure 21. ADR3550 Ripple Rejection Ratio vs. Frequency Figure 24. ADR3525 Shutdown Response
3.2V CIN = 0µF 2.7V CL = 0.1µF R 500mV/DIV L = ∞ C V IN = CL = 0.1µF IN 2V/DIV 1 2 VOUT = 10mV/DIV VOUT 2V/DIV TIME = 200µs/DIV 2
2 2 -0 3
TIME = 1ms/DIV
025 1 111
1
113- 1 1 Figure 22. ADR3550 Start-Up Response Figure 25. ADR3525 Line Transient Response
SOURCING I ENABLE L +10mA VENABLE = 2V/DIV SINKING SINKING VIN = 5.5V C –3mA 1 IN = CL = 0.1µF RL = ∞ CIN = 0.1µF CL = 0.1µF RL = 250Ω VOUT = 2V/DIV 2.5V TIME = 200µs/DIV VOUT = 20mV/DIV 2
3 2 6 2 -0 3
TIME = 1ms/DIV
-0 1 3 1 111 111 Figure 23. ADR3550 Restart Response from Shutdown Figure 26. ADR3525 Load Transient Response Rev. E | Page 9 of 16 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION LONG-TERM OUTPUT VOLTAGE DRIFT 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 AUTOMOTIVE PRODUCTS