Datasheet AD8417 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Bidirectional, Zero Drift, Current Sense Amplifier |
| 页数 / 页 | 17 / 7 — AD8417. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. E (µ G A. LT O. … |
| 修订版 | D |
| 文件格式/大小 | PDF / 409 Kb |
| 文件语言 | 英语 |
AD8417. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. E (µ G A. LT O. N ( AI. T V. –10. OFFS. –20. –30. –40. –25. 110. 125. 1000. 10k. 100k. 10M
文件文字版本
AD8417 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 14 50 40 12 30 V) 10 20 E (µ G A 8 B) 10 d LT O N ( AI T V 6 0 E G –10 OFFS 4 –20 2 –30 0 –40 –40 –25 –10 5 20 35 50 65 80 95 110 125
003
1000 10k 100k 1M 10M
006
TEMPERATURE (°C)
1882- 1
FREQUENCY (Hz)
1882- 1 Figure 3. Typical Offset Voltage Drift vs. Temperature Figure 6. Typical Small Signal Bandwidth (VOUT = 200 mV p-p)
120 10 9 110 8 100 %) 7 R ( B) 90 RRO 6 d E RR ( UT 5 P 80 CM UT 4 O L 70 A T 3 O T 2 60 1 50 0 10 100 1k 10k 100k 1M
004
0 5 10 15 20 25 30 35 40
007
FREQUENCY (Hz)
1882- 1
DIFFERENTIAL INPUT VOLTAGE (mV)
1882- 1 Figure 4. Typical CMRR vs. Frequency Figure 7. Total Output Error vs. Differential Input Voltage
500 0.5 NORMALIZED AT 25°C 400 0.4 300 mA) 0.3 IN ( +IN ) 200 P 0.2 /V V UT µ 100 0.1 NP R ( R I 0 E 0 –IN RRO P N E –100 NT –0.1 AI G –200 –0.2 CURRE –300 –0.3 AS BI –400 –0.4 VS = 2.7V –500 –0.5 –40 –25 –10 5 20 35 50 65 80 95 110 125
005
–4 0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68
008
TEMPERATURE (°C)
1882- 1
VCM (V)
1882- 1 Figure 5. Typical Gain Error vs. Temperature Figure 8. Bias Current per Input Pin vs. Common-Mode Voltage (VCM) Rev. B | Page 6 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION OUTPUT OFFSET ADJUSTMENT UNIDIRECTIONAL OPERATION Ground Referenced Output Mode VS Referenced Output Mode BIDIRECTIONAL OPERATION EXTERNAL REFERENCED OUTPUT SPLITTING THE SUPPLY SPLITTING AN EXTERNAL REFERENCE APPLICATIONS INFORMATION MOTOR CONTROL 3-Phase Motor Control H-Bridge Motor Control SOLENOID CONTROL High-Side Current Sense with a Low-Side Switch High-Side Current Sense with a High-Side Switch High Rail Current Sensing OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS
003
1000 10k 100k 1M 10M
006
TEMPERATURE (°C)
1882- 1
FREQUENCY (Hz)
1882- 1 Figure 3. Typical Offset Voltage Drift vs. Temperature Figure 6. Typical Small Signal Bandwidth (VOUT = 200 mV p-p)
120 10 9 110 8 100 %) 7 R ( B) 90 RRO 6 d E RR ( UT 5 P 80 CM UT 4 O L 70 A T 3 O T 2 60 1 50 0 10 100 1k 10k 100k 1M
004
0 5 10 15 20 25 30 35 40
007
FREQUENCY (Hz)
1882- 1
DIFFERENTIAL INPUT VOLTAGE (mV)
1882- 1 Figure 4. Typical CMRR vs. Frequency Figure 7. Total Output Error vs. Differential Input Voltage
500 0.5 NORMALIZED AT 25°C 400 0.4 300 mA) 0.3 IN ( +IN ) 200 P 0.2 /V V UT µ 100 0.1 NP R ( R I 0 E 0 –IN RRO P N E –100 NT –0.1 AI G –200 –0.2 CURRE –300 –0.3 AS BI –400 –0.4 VS = 2.7V –500 –0.5 –40 –25 –10 5 20 35 50 65 80 95 110 125
005
–4 0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68
008
TEMPERATURE (°C)
1882- 1
VCM (V)
1882- 1 Figure 5. Typical Gain Error vs. Temperature Figure 8. Bias Current per Input Pin vs. Common-Mode Voltage (VCM) Rev. B | Page 6 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION OUTPUT OFFSET ADJUSTMENT UNIDIRECTIONAL OPERATION Ground Referenced Output Mode VS Referenced Output Mode BIDIRECTIONAL OPERATION EXTERNAL REFERENCED OUTPUT SPLITTING THE SUPPLY SPLITTING AN EXTERNAL REFERENCE APPLICATIONS INFORMATION MOTOR CONTROL 3-Phase Motor Control H-Bridge Motor Control SOLENOID CONTROL High-Side Current Sense with a Low-Side Switch High-Side Current Sense with a High-Side Switch High Rail Current Sensing OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS