Datasheet AD628 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | High Common-Mode Voltage, Programmable Gain Difference Amplifier |
| Pages / Page | 20 / 10 — AD628. 9638 UNITS. 100. ) IV. ICE. ( E. TIME (Seconds). GAIN ERROR (ppm). … |
| Revision | G |
| File Format / Size | PDF / 361 Kb |
| Document Language | English |
AD628. 9638 UNITS. 100. ) IV. ICE. ( E. TIME (Seconds). GAIN ERROR (ppm). 150. UPPER CMV LIMIT. G = +100. –40°C. E (V. G = +10. LTA. B d. +85°C. E VO
Model Line for this Datasheet
Text Version of Document
AD628 40 9638 UNITS 1s 35 100 90 30 ) IV S /D 25 V ICE 5µ V ( E 20 DE IS F O O N 15 % 10 0 10 5 0
1
0 5 10
1 0
0 1 2 3 4 5 6 7 8 9 10
14 2- 0 2- 99
TIME (Seconds)
99 02
GAIN ERROR (ppm)
02 Figure 11. 0.1 Hz to 10 Hz Voltage Noise, RTI Figure 14. Typical Distribution of +1 Gain Error
60 150 UPPER CMV LIMIT 50 G = +100 100 40 ) –40°C E (V 30 G 50 G = +10 ) 20 LTA B d +85°C ( V 10 E VO 0 REF = 0V +25°C IN D O GA G = +1 0 -M N O –50 –40°C –10 MM G = +0.1 O –20 C +85°C –100 LOWER CMV LIMIT –30 –40 –150 100 1k 10k 100k 1M 10M
12 0
0 5 10 15
15
20
0 2- 2-
FREQUENCY (Hz)
99 99 02
VS (±V)
02 Figure 15. Common-Mode Operating Range vs. Figure 12. Small Signal Frequency Response, Power Supply Voltage for Three Temperatures VOUT = 200 mV p-p, G = +0.1, +1, +10, and +100
60 500µV V = ±15V S 50 G = +100 100 R = 1kΩ 40 L 90 ) V 30 µ R ( G = +10 ) 20 RO R = 2kΩ B L R d ( E 10 T IN U P GA G = +1 0 T U R = 10kΩ L O 10 –10 0 G = +0.1 –20 4.0V –30 –40
16 0
10 100 1k 10k 100k 1M
13 2- 0 99 2-
OUTPUT VOLTAGE (V)
02
FREQUENCY (Hz)
99 02 Figure 16. Normalized Gain Error vs. V Figure 13. Large Signal Frequency Response, OUT, VS = ±15 V VOUT = 20 V p-p, G = +0.1, +1, +10, and +100 Rev. G | Page 10 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION APPLICATIONS INFORMATION GAIN ADJUSTMENT INPUT VOLTAGE RANGE VOLTAGE LEVEL CONVERSION CURRENT LOOP RECEIVER MONITORING BATTERY VOLTAGES FILTER CAPACITOR VALUES KELVIN CONNECTION OUTLINE DIMENSIONS ORDERING GUIDE
1
0 5 10
1 0
0 1 2 3 4 5 6 7 8 9 10
14 2- 0 2- 99
TIME (Seconds)
99 02
GAIN ERROR (ppm)
02 Figure 11. 0.1 Hz to 10 Hz Voltage Noise, RTI Figure 14. Typical Distribution of +1 Gain Error
60 150 UPPER CMV LIMIT 50 G = +100 100 40 ) –40°C E (V 30 G 50 G = +10 ) 20 LTA B d +85°C ( V 10 E VO 0 REF = 0V +25°C IN D O GA G = +1 0 -M N O –50 –40°C –10 MM G = +0.1 O –20 C +85°C –100 LOWER CMV LIMIT –30 –40 –150 100 1k 10k 100k 1M 10M
12 0
0 5 10 15
15
20
0 2- 2-
FREQUENCY (Hz)
99 99 02
VS (±V)
02 Figure 15. Common-Mode Operating Range vs. Figure 12. Small Signal Frequency Response, Power Supply Voltage for Three Temperatures VOUT = 200 mV p-p, G = +0.1, +1, +10, and +100
60 500µV V = ±15V S 50 G = +100 100 R = 1kΩ 40 L 90 ) V 30 µ R ( G = +10 ) 20 RO R = 2kΩ B L R d ( E 10 T IN U P GA G = +1 0 T U R = 10kΩ L O 10 –10 0 G = +0.1 –20 4.0V –30 –40
16 0
10 100 1k 10k 100k 1M
13 2- 0 99 2-
OUTPUT VOLTAGE (V)
02
FREQUENCY (Hz)
99 02 Figure 16. Normalized Gain Error vs. V Figure 13. Large Signal Frequency Response, OUT, VS = ±15 V VOUT = 20 V p-p, G = +0.1, +1, +10, and +100 Rev. G | Page 10 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION APPLICATIONS INFORMATION GAIN ADJUSTMENT INPUT VOLTAGE RANGE VOLTAGE LEVEL CONVERSION CURRENT LOOP RECEIVER MONITORING BATTERY VOLTAGES FILTER CAPACITOR VALUES KELVIN CONNECTION OUTLINE DIMENSIONS ORDERING GUIDE
