Datasheet AD795 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Low Power, Low Noise Precision FET Op Amp |
| Pages / Page | 20 / 8 — AD795. Data Sheet. 120. 100. A) 25. B) (d. +PSRR. –OUTPUT CURRENT. –PSRR. … |
| Revision | D |
| File Format / Size | PDF / 440 Kb |
| Document Language | English |
AD795. Data Sheet. 120. 100. A) 25. B) (d. +PSRR. –OUTPUT CURRENT. –PSRR. CUR. +OUTPUT CURRENT. Y L P. RCU. P U. -CI. O H. O P. –60. –40. –20. 140. 10k. 100k. 10M
Model Line for this Datasheet
Text Version of Document
AD795 Data Sheet 30 120 100 A) 25 B) (d (m N +PSRR NT IO 80 RE –OUTPUT CURRENT CT 20 JE –PSRR CUR RE IT 60 +OUTPUT CURRENT Y L P 15 RCU P U -CI S 40 R RT E O H W 10 S O P 20 5 0
16
–60 –40 –20 0 20 40 60 80 100 120 140
0 019 5-
1 10 100 1k 10k 100k 1M 10M
5-
TEMPERATURE (°C)
84 84 00
FREQUENCY (Hz)
00 Figure 16. Short-Circuit Current Limit vs. Temperature Figure 19. Power Supply Rejection vs. Frequency
10 120 8 ) 100 V 6 B 0.1% (d N TO ± 4 0 IO 0.01% T 80 M C O 2 JE FR E 0 G ERROR R 60 E D WIN –2 S T 0.01% -MO U N –4 40 TP 0.1% MMO OU –6 O C 20 –8 –10 0 3 4 5 6 7 8 9 10 11
017 020 5-
1 10 100 1k 10k 100k 1M 10M
5-
SETTLING TIME (µs)
84 84 00
FREQUENCY (Hz)
00 Figure 17. Output Swing and Error vs. Settling Time Figure 20. Common-Mode Rejection vs. Frequency
1000 120 120 900 (µV) 100 100 E 800 PHASE G A T ) L 700 80 80 B d rees) VO ( R 600 IN eg O 60 60 (D R R GA 500 IN G E GAIN T R OOP A 400 40 40 PU -L M IN N E SE E 300 A T OP 20 20 U L PH 200 SO B 0 0 A 100 0
18
–20 –20 –15 –10 –5 0 5 10 15
0 21 5-
10 100 1k 10k 100k 1M 10M
0 5-
INPUT COMMON-MODE VOLTAGE (V)
84 84 00
FREQUENCY (Hz)
00 Figure 18. Absolute Input Error Voltage vs. Input Common-Mode Voltage Figure 21. Open-Loop Gain and Phase Margin vs. Frequency Rev. D | Page 8 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
16
–60 –40 –20 0 20 40 60 80 100 120 140
0 019 5-
1 10 100 1k 10k 100k 1M 10M
5-
TEMPERATURE (°C)
84 84 00
FREQUENCY (Hz)
00 Figure 16. Short-Circuit Current Limit vs. Temperature Figure 19. Power Supply Rejection vs. Frequency
10 120 8 ) 100 V 6 B 0.1% (d N TO ± 4 0 IO 0.01% T 80 M C O 2 JE FR E 0 G ERROR R 60 E D WIN –2 S T 0.01% -MO U N –4 40 TP 0.1% MMO OU –6 O C 20 –8 –10 0 3 4 5 6 7 8 9 10 11
017 020 5-
1 10 100 1k 10k 100k 1M 10M
5-
SETTLING TIME (µs)
84 84 00
FREQUENCY (Hz)
00 Figure 17. Output Swing and Error vs. Settling Time Figure 20. Common-Mode Rejection vs. Frequency
1000 120 120 900 (µV) 100 100 E 800 PHASE G A T ) L 700 80 80 B d rees) VO ( R 600 IN eg O 60 60 (D R R GA 500 IN G E GAIN T R OOP A 400 40 40 PU -L M IN N E SE E 300 A T OP 20 20 U L PH 200 SO B 0 0 A 100 0
18
–20 –20 –15 –10 –5 0 5 10 15
0 21 5-
10 100 1k 10k 100k 1M 10M
0 5-
INPUT COMMON-MODE VOLTAGE (V)
84 84 00
FREQUENCY (Hz)
00 Figure 18. Absolute Input Error Voltage vs. Input Common-Mode Voltage Figure 21. Open-Loop Gain and Phase Margin vs. Frequency Rev. D | Page 8 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
