Datasheet AD8295 (Analog Devices) - 17
| Manufacturer | Analog Devices |
| Description | Precision Instrumentation Amplifier with Signal Processing Amplifiers |
| Pages / Page | 28 / 17 — AD8295. ) V. 0.1 ppm/°C. p (p. ISE ( O. –10. E N. –20. IN A. O V. –30. … |
| Revision | A |
| File Format / Size | PDF / 684 Kb |
| Document Language | English |
AD8295. ) V. 0.1 ppm/°C. p (p. ISE ( O. –10. E N. –20. IN A. O V. –30. –40. –50. –60. 100. 120. 140. TIME (Sec). TEMPERATURE (°C). / Hz. R E. A G. CUR. 10k. 100k
Model Line for this Datasheet
Text Version of Document
AD8295 8 40 30 6 20 4 ) V ) 10 0.1 ppm/°C µ m 2 p (p 0 ISE ( O R 0 –10 E N RO G R A E T –20 –2 L IN A O V G –30 –4 –40 –6 –50 –8 –60 0 1 2 3 4 5 6 7 8 9 10
68 70 0
–40 –20 0 20 40 60 80 100 120 140
0 3- 3-
TIME (Sec)
34
TEMPERATURE (°C)
34 07 07 Figure 48. 0.1 Hz to 10 Hz Noise Figure 51. Gain Error vs. Temperature Using On-Chip Resistor Divider, G = −1
1k 40 30 20 ) ) 10 / Hz m fA p ( (p 0 E R IS 0.1 ppm/°C 100 –10 RO NO R E NT –20 IN RE A G –30 CUR –40 –50 10 –60
8
1 10 100 1k 10k 100k
71 07
–40 –20 0 20 40 60 80 100 120 140
0 3- 3-
FREQUENCY (Hz)
34
TEMPERATURE (°C)
34 07 07 Figure 49. Current Noise Density vs. Frequency Figure 52. Gain Error vs. Temperature Using On-Chip Resistor Divider, G = 2
14 12 10 –BIAS CURRENT 8 A) n 6 ( +BIAS CURRENT NT 4 2 CURRE 0 –2 OFFSET CURRENT –4 –6 0 10 20 30 40 50 60 70 80 90 –40 –30 –20 –10 100 110 120 130
69 -0 43
TEMPERATURE (°C)
73 0 Figure 50. Input Bias Current and Input Offset Current vs. Temperature Rev. A | Page 17 of 28 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS INSTRUMENTATION AMPLIFIER SPECIFICATIONS, SINGLE-ENDED AND DIFFERENTIAL OUTPUT CONFIGURATIONS OP AMP SPECIFICATIONS INTERNAL RESISTOR NETWORK POWER AND TEMPERATURE SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS IN-AMP OP AMPS SYSTEM THEORY OF OPERATION UNCOMMITTED OP AMPS INSTRUMENTATION AMPLIFIER Gain Selection Common-Mode Input Voltage Range Reference Terminal LAYOUT Routing and Vias Common-Mode Rejection over Frequency Unused Op Amps Reference Power Supplies INPUT PROTECTION INPUT BIAS CURRENT RETURN PATH RF INTERFERENCE DIFFERENTIAL OUTPUT APPLICATIONS INFORMATION CREATING A REFERENCE VOLTAGE AT MIDSCALE HIGH ACCURACY G = −1 CONFIGURATION WITH LOW-PASS FILTER TWO-POLE SALLEN-KEY FILTER AC-COUPLED INSTRUMENTATION AMPLIFIER DRIVING DIFFERENTIAL ADCs OUTLINE DIMENSIONS ORDERING GUIDE
68 70 0
–40 –20 0 20 40 60 80 100 120 140
0 3- 3-
TIME (Sec)
34
TEMPERATURE (°C)
34 07 07 Figure 48. 0.1 Hz to 10 Hz Noise Figure 51. Gain Error vs. Temperature Using On-Chip Resistor Divider, G = −1
1k 40 30 20 ) ) 10 / Hz m fA p ( (p 0 E R IS 0.1 ppm/°C 100 –10 RO NO R E NT –20 IN RE A G –30 CUR –40 –50 10 –60
8
1 10 100 1k 10k 100k
71 07
–40 –20 0 20 40 60 80 100 120 140
0 3- 3-
FREQUENCY (Hz)
34
TEMPERATURE (°C)
34 07 07 Figure 49. Current Noise Density vs. Frequency Figure 52. Gain Error vs. Temperature Using On-Chip Resistor Divider, G = 2
14 12 10 –BIAS CURRENT 8 A) n 6 ( +BIAS CURRENT NT 4 2 CURRE 0 –2 OFFSET CURRENT –4 –6 0 10 20 30 40 50 60 70 80 90 –40 –30 –20 –10 100 110 120 130
69 -0 43
TEMPERATURE (°C)
73 0 Figure 50. Input Bias Current and Input Offset Current vs. Temperature Rev. A | Page 17 of 28 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS INSTRUMENTATION AMPLIFIER SPECIFICATIONS, SINGLE-ENDED AND DIFFERENTIAL OUTPUT CONFIGURATIONS OP AMP SPECIFICATIONS INTERNAL RESISTOR NETWORK POWER AND TEMPERATURE SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS IN-AMP OP AMPS SYSTEM THEORY OF OPERATION UNCOMMITTED OP AMPS INSTRUMENTATION AMPLIFIER Gain Selection Common-Mode Input Voltage Range Reference Terminal LAYOUT Routing and Vias Common-Mode Rejection over Frequency Unused Op Amps Reference Power Supplies INPUT PROTECTION INPUT BIAS CURRENT RETURN PATH RF INTERFERENCE DIFFERENTIAL OUTPUT APPLICATIONS INFORMATION CREATING A REFERENCE VOLTAGE AT MIDSCALE HIGH ACCURACY G = −1 CONFIGURATION WITH LOW-PASS FILTER TWO-POLE SALLEN-KEY FILTER AC-COUPLED INSTRUMENTATION AMPLIFIER DRIVING DIFFERENTIAL ADCs OUTLINE DIMENSIONS ORDERING GUIDE
