Datasheet AD8551, AD8552, AD8554 (Analog Devices) - 7

Data Sheet AD8551/AD8552/AD8554 10k 800 VSY = 2.7V TA = +25°C T ) A = 25°C A 700 (µ 1k IER ) 600 V IF m ( MPL 500 GE 100 A PER 400 OLTA T SOURCE T V 10 EN U R 300 R TP U SINK OU Y C 200 1 PPL SU 100 0.1 0 0.0001 0.001 0.01 0.1 1 10 100
013
0 1 2 3 4 5 6
016
LOAD CURRENT (mA) SUPPLY VOLTAGE (V)
01101- 01101- Figure 13. Output Voltage to Supply Rail vs. Load Current at 2.7 V Figure 16. Supply Current per Amplifier vs. Supply Voltage
0 60 VSY = 2.7V VCM = 2.5V 50 C V L = 0pF SY = 5V R 40 L = ∞ 0 A) –250 ) p ( 30 45 dB ( rees) NT IN 20 90 Deg GA ( T 10 135 F CURRE –500 HI AS -LOOP 0 180 S E BI N E UT OP –10 225 HAS P INP –750 –20 270 –30 –1000 –40 –75 –50 –25 0 25 50 75 100 125 150
014
10k 100k 1M 10M 100M
017
TEMPERATURE (°C) FREQUENCY (Hz)
01101- 01101- Figure 14. Input Bias Current vs. Temperature Figure 17. Open-Loop Gain and Phase Shift vs. Frequency at 2.7 V
1.0 60 VSY = 5V VCM = 2.5V 50 C V L = 0pF SY = 5V 5V RL = ∞ 0.8 40 0 ) 2.7V 30 45 mA) dB ( ( rees) IN NT 0.6 20 90 Deg GA ( T 10 135 F HI CURRE Y -LOOP 0 180 S L 0.4 N E P E UP OP –10 225 HAS S P 0.2 –20 270 –30 0 –40 –75 –50 –25 0 25 50 75 100 125 150
015
10k 100k 1M 10M 100M
018
TEMPERATURE (°C) FREQUENCY (Hz)
01101- 01101- Figure 15. Supply Current vs. Temperature Figure 18. Open-Loop Gain and Phase Shift vs. Frequency at 5 V Rev. F | Page 7 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS FUNCTIONAL DESCRIPTION AMPLIFIER ARCHITECTURE BASIC AUTO-ZERO AMPLIFIER THEORY Auto-Zero Phase Amplification Phase HIGH GAIN, CMRR, PSRR MAXIMIZING PERFORMANCE THROUGHPROPER LAYOUT 1/f NOISE CHARACTERISTICS INTERMODULATION DISTORTION BROADBAND AND EXTERNAL RESISTOR NOISE CONSIDERATIONS OUTPUT OVERDRIVE RECOVERY INPUT OVERVOLTAGE PROTECTION OUTPUT PHASE REVERSAL CAPACITIVE LOAD DRIVE POWER-UP BEHAVIOR APPLICATIONS INFORMATION A 5 V PRECISION STRAIN GAGE CIRCUIT 3 V INSTRUMENTATION AMPLIFIER A HIGH ACCURACY THERMOCOUPLE AMPLIFIER PRECISION CURRENT METER PRECISION VOLTAGE COMPARATOR OUTLINE DIMENSIONS ORDERING GUIDE