Datasheet AD623 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | Single and Dual-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier |
| Pages / Page | 24 / 10 — AD623. 120. CH1 10mV. A 1s. 100mV VERT. 110. 100. ×1000. d ( R. ×100. … |
| Revision | F |
| File Format / Size | PDF / 1.5 Mb |
| Document Language | English |
AD623. 120. CH1 10mV. A 1s. 100mV VERT. 110. 100. ×1000. d ( R. ×100. ×10. 10k. 100k. FREQUENCY (Hz). 1µV/DIV. G = 1000. G = 100. B d (. G = 10. IN GA. G = 1
Text Version of Document
AD623 120 CH1 10mV A 1s 100mV VERT 110 100 ×1000 90 B) 80 d ( R ×100 70 CM 60 ×10 50
5
×1
01
40
8- 77 00
30 1 10 100 1k 10k 100k
18 0 8-
FREQUENCY (Hz)
77 00 Figure 15. 0.1 Hz to 10 Hz Current Noise (0.71 pA/DIV) Figure 18. CMR vs. Frequency, ±5 VS
70 1µV/DIV 1s G = 1000 60 50 G = 100 40 ) 30 B d ( G = 10 20 IN GA 10 G = 1 0 –10
6 01 8-
–20
77 00
–30 100 1k 10k 100k 1M
19 0 8-
FREQUENCY (Hz)
77 00 Figure 16. 0.1 Hz to 10 Hz RTI Voltage Noise (1 DIV = 1 μV p-p) Figure 19. Gain vs. Frequency (VS = 5 V, 0 V), VREF = 2.5 V
120 5 110 4 ) VS = ±5V V 100 3 ×1000 E ( G A 2 90 T ×100 L VS = ±2.5V 1 B) 80 VO d T ( R 0 70 TPU CM U ×10 –1 60 M O –2 50 XIMU –3 MA ×1 40 –4 30 –5 1 10 100 1k 10k 100k
17 20 0
–6 –5 –4 –3 –2 –1 0 1 2 3 4 5
0 8- 8-
FREQUENCY (Hz)
77
COMMON-MODE INPUT (V)
77 00 00 Figure 17. CMR vs. Frequency, = 5 VS, 0 VS, VREF = 2.5 V Figure 20. Maximum Output Voltage vs. Common-Mode Input, G = 1, RL = 100 kΩ Rev. D | Page 10 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS SINGLE SUPPLY DUAL SUPPLIES BOTH DUAL AND SINGLE SUPPLIES ABSOLUTE MAXIMUM RATINGS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION BASIC CONNECTION GAIN SELECTION REFERENCE TERMINAL INPUT AND OUTPUT OFFSET VOLTAGE INPUT PROTECTION RF INTERFERENCE GROUNDING Ground Returns for Input Bias Currents Output Buffering Single-Supply Data Acquisition System Amplifying Signals with Low Common-Mode Voltage INPUT DIFFERENTIAL AND COMMON-MODE RANGE vs. SUPPLY AND GAIN OUTLINE DIMENSIONS ORDERING GUIDE
5
×1
01
40
8- 77 00
30 1 10 100 1k 10k 100k
18 0 8-
FREQUENCY (Hz)
77 00 Figure 15. 0.1 Hz to 10 Hz Current Noise (0.71 pA/DIV) Figure 18. CMR vs. Frequency, ±5 VS
70 1µV/DIV 1s G = 1000 60 50 G = 100 40 ) 30 B d ( G = 10 20 IN GA 10 G = 1 0 –10
6 01 8-
–20
77 00
–30 100 1k 10k 100k 1M
19 0 8-
FREQUENCY (Hz)
77 00 Figure 16. 0.1 Hz to 10 Hz RTI Voltage Noise (1 DIV = 1 μV p-p) Figure 19. Gain vs. Frequency (VS = 5 V, 0 V), VREF = 2.5 V
120 5 110 4 ) VS = ±5V V 100 3 ×1000 E ( G A 2 90 T ×100 L VS = ±2.5V 1 B) 80 VO d T ( R 0 70 TPU CM U ×10 –1 60 M O –2 50 XIMU –3 MA ×1 40 –4 30 –5 1 10 100 1k 10k 100k
17 20 0
–6 –5 –4 –3 –2 –1 0 1 2 3 4 5
0 8- 8-
FREQUENCY (Hz)
77
COMMON-MODE INPUT (V)
77 00 00 Figure 17. CMR vs. Frequency, = 5 VS, 0 VS, VREF = 2.5 V Figure 20. Maximum Output Voltage vs. Common-Mode Input, G = 1, RL = 100 kΩ Rev. D | Page 10 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS SINGLE SUPPLY DUAL SUPPLIES BOTH DUAL AND SINGLE SUPPLIES ABSOLUTE MAXIMUM RATINGS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION BASIC CONNECTION GAIN SELECTION REFERENCE TERMINAL INPUT AND OUTPUT OFFSET VOLTAGE INPUT PROTECTION RF INTERFERENCE GROUNDING Ground Returns for Input Bias Currents Output Buffering Single-Supply Data Acquisition System Amplifying Signals with Low Common-Mode Voltage INPUT DIFFERENTIAL AND COMMON-MODE RANGE vs. SUPPLY AND GAIN OUTLINE DIMENSIONS ORDERING GUIDE
