Datasheet AD8295 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Precision Instrumentation Amplifier with Signal Processing Amplifiers |
| 页数 / 页 | 28 / 9 — AD8295. TYPICAL PERFORMANCE CHARACTERISTICS IN-AMP. 800. 600. 400. 200. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 684 Kb |
| 文件语言 | 英语 |
AD8295. TYPICAL PERFORMANCE CHARACTERISTICS IN-AMP. 800. 600. 400. 200. –100. –50. 100. –1.0. –0.5. 0.5. 1.0. CMRR (µV/V)
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AD8295 TYPICAL PERFORMANCE CHARACTERISTICS IN-AMP
VS = ±15 V, VREF = 0 V, TA = 25°C, RL = 10 kΩ, unless otherwise noted.
800 800 600 600 S S T T HI HI 400 400 200 200 0 0 –100 –50 0 50 100
57 0 0
–1.0 –0.5 0 0.5 1.0
06 3- 3-
CMRR (µV/V)
34
INPUT OFFSET CURRENT (nA)
34 07 07 Figure 3. Typical Distribution for CMRR, G = 1 Figure 6. Typical Distribution of Input Offset Current
800 5 G = 1 V 4 S = ±2.5V, ±5V 700 ) V ( E 3 600 AG T L 2 O 500 V S DE 1 T 400 O HI M N- 0 O 300 M M –1 200 CO –2 UT 100 INP –3 0 –4 –100 –50 0 50 100
8 5 05
–5 –4 –3 –2 –1 0 1 2 3 4 5
3- 04
V
3-
OSI (µV)
34 34 07
OUTPUT VOLTAGE (V)
07 Figure 4. Typical Distribution of Input Offset Voltage Figure 7. Input Common-Mode Voltage Range vs. Output Voltage, G = 1, VS = ±2.5 V, ±5 V, VREF = 0 V
700 15 G = 1 VS = ±15V ) 600 V 10 ( E G A 500 LT 5 O V 400 E S T OD 0 HI -M 300 ON M M –5 O 200 C T U P –10 100 IN 0 –15
6
–2 –1 0 1 2
9
–15 –10 –5 0 5 10 15
05 04 3- 3-
INPUT BIAS CURRENT (nA)
34 34
OUTPUT VOLTAGE (V)
07 07 Figure 5. Typical Distribution of Input Bias Current Figure 8. Input Common-Mode Voltage Range vs. Output Voltage, G = 1, VS = ±15 V, VREF = 0 V Rev. A | Page 9 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
VS = ±15 V, VREF = 0 V, TA = 25°C, RL = 10 kΩ, unless otherwise noted.
800 800 600 600 S S T T HI HI 400 400 200 200 0 0 –100 –50 0 50 100
57 0 0
–1.0 –0.5 0 0.5 1.0
06 3- 3-
CMRR (µV/V)
34
INPUT OFFSET CURRENT (nA)
34 07 07 Figure 3. Typical Distribution for CMRR, G = 1 Figure 6. Typical Distribution of Input Offset Current
800 5 G = 1 V 4 S = ±2.5V, ±5V 700 ) V ( E 3 600 AG T L 2 O 500 V S DE 1 T 400 O HI M N- 0 O 300 M M –1 200 CO –2 UT 100 INP –3 0 –4 –100 –50 0 50 100
8 5 05
–5 –4 –3 –2 –1 0 1 2 3 4 5
3- 04
V
3-
OSI (µV)
34 34 07
OUTPUT VOLTAGE (V)
07 Figure 4. Typical Distribution of Input Offset Voltage Figure 7. Input Common-Mode Voltage Range vs. Output Voltage, G = 1, VS = ±2.5 V, ±5 V, VREF = 0 V
700 15 G = 1 VS = ±15V ) 600 V 10 ( E G A 500 LT 5 O V 400 E S T OD 0 HI -M 300 ON M M –5 O 200 C T U P –10 100 IN 0 –15
6
–2 –1 0 1 2
9
–15 –10 –5 0 5 10 15
05 04 3- 3-
INPUT BIAS CURRENT (nA)
34 34
OUTPUT VOLTAGE (V)
07 07 Figure 5. Typical Distribution of Input Bias Current Figure 8. Input Common-Mode Voltage Range vs. Output Voltage, G = 1, VS = ±15 V, VREF = 0 V Rev. A | Page 9 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