Datasheet AD795 (Analog Devices) - 9

Data Sheet AD795 30 2.0 RL = 10kΩ 25 ) A p) (m T 1.5 p- 20 EN (V R R GE U C TA 15 Y L L O 1.0 V PP T U SU 10 T TP EN OU SC 0.5 5 IE U Q 0
2
1k 10k 100k 1M
02
0
25 5-
0 5 10 15 20
05-
FREQUENCY (Hz)
84 00
SUPPLY VOLTAGE (±V)
84 00 Figure 22. Large Signal Frequency Response Figure 25. Quiescent Supply Current vs. Supply Voltage
1000 50 ) SAMPLE SIZE = 1419 (Ω 100 40 DANCE E S P T IM UNI F 30 UT P 10 O E UT O AG P NT O 20 O L RCE D- 1 E E P S O 10 CL 0.11k 10k 100k 1M 10M
023
0
6 5- 02 84
–500 –400 –300 –200 –100 0 100 200 300 400 500 FREQUENCY (Hz)
4- 00
INPUT OFFSET VOLTAGE (µV)
82 00 Figure 23. Closed-Loop Output Impedance vs. Frequency Figure 26. Typical Distribution of Input Offset Voltage
–60 VIN = 3V rms RL = 10kΩ –70 –80 B) 10kΩ (d –90 +VS HD T 0.1µF –100 10kΩ 7 V 2 IN 6 VOUT –110 AD795 3 R C L L 4 10kΩ 100pF 0.1µF –120
4 7
100 1k 10k 100k
025- 02 5-
FREQUENCY (Hz)
84 84 00
–VS
00 Figure 24. Total Harmonic Distortion vs. Frequency Figure 27. Unity Gain Inverter Rev. D | Page 9 of 20 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS MINIMIZING INPUT CURRENT CIRCUIT BOARD NOTES OFFSET NULLING AC RESPONSE WITH HIGH VALUE SOURCE AND FEEDBACK RESISTANCE OVERLOAD ISSUES INPUT PROTECTION PREAMPLIFIER APPLICATIONS MINIMIZING NOISE CONTRIBUTIONS USING A T NETWORK A pH PROBE BUFFER AMPLIFIER OUTLINE DIMENSIONS ORDERING GUIDE