Datasheet AD8203 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | High Common-Mode Voltage, Single-Supply Difference Amplifier |
| 页数 / 页 | 20 / 6 — AD8203. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. –55. –10. –40. … |
| 修订版 | D |
| 文件格式/大小 | PDF / 293 Kb |
| 文件语言 | 英语 |
AD8203. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. –55. –10. –40. –15. +25. PSRR (dB). –20. +125. COMMON-MODE VOLTAGE (V). –25. +150. –30. 100
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AD8203 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VS = 5 V, VCM = 0 V, RL = 10 kΩ, unless otherwise noted.
90 0 80 –5 –55
°
C 70 60 –10 –40
°
C 50 –15 +25
°
C 40 PSRR (dB) 30 –20 +125
°
C 20 COMMON-MODE VOLTAGE (V) –25 10 +150
°
C 0
05013-006
–30
05013-009
10 100 1k 10k 100k 3 4 5 6 7 8 9 10 11 12 FREQUENCY (Hz) POWER SUPPLY (V)
Figure 6. Power Supply Rejection Ratio vs. Frequency Figure 9. Negative Common-Mode Voltage vs. Voltage Supply for Common-Mode Range −6 V to +30 V
25 40 35 20 +25
°
C 30 –55
°
C 15 25 +150
°
C OUTPUT (dB) 10 20 5 COMMON-MODE VOLTAGE (V) 15 +125
°
C –40
°
C 0
05013-007
10
05013-010
100 1k 10k 100k 1M 3 4 5 6 7 8 9 10 11 12 FREQUENCY (Hz) POWER SUPPLY (V)
Figure 7. Bandwidth Figure 10. Positive Common-Mode Voltage vs. Voltage Supply
100 5.0 95 90 4.0 85 80 3.0 75 CMRR (dB) 70 2.0 65 OUTPUT VOLTAGE (dB) 60 1.0 55 50
05013-008
0
05013-011
10 100 1k 10k 100k 10 100 1k 10k FREQUENCY (Hz) LOAD RESISTANCE (
Ω
)
Figure 8. Common-Mode Rejection Ratio vs. Frequency Figure 11. Output Swing vs. Load Resistance for Common-Mode Range −6 V to +30 V Rev. D | Page 6 of 20 Document Outline Features Applications Functional Block Diagrams Revision History Specifications Single Supply Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Current Sensing High Line, High Current Sensing Low Current Sensing Gain Adjustment Gains Less Than 14 Gains Greater Than 14 Gain Trim Internal Signal Overload Considerations Low-Pass Filtering High Line Current Sensing with LPF and Gain Adjustment Driving Charge Redistribution ADCs Outline Dimensions Ordering Guide
TA = 25°C, VS = 5 V, VCM = 0 V, RL = 10 kΩ, unless otherwise noted.
90 0 80 –5 –55
°
C 70 60 –10 –40
°
C 50 –15 +25
°
C 40 PSRR (dB) 30 –20 +125
°
C 20 COMMON-MODE VOLTAGE (V) –25 10 +150
°
C 0
05013-006
–30
05013-009
10 100 1k 10k 100k 3 4 5 6 7 8 9 10 11 12 FREQUENCY (Hz) POWER SUPPLY (V)
Figure 6. Power Supply Rejection Ratio vs. Frequency Figure 9. Negative Common-Mode Voltage vs. Voltage Supply for Common-Mode Range −6 V to +30 V
25 40 35 20 +25
°
C 30 –55
°
C 15 25 +150
°
C OUTPUT (dB) 10 20 5 COMMON-MODE VOLTAGE (V) 15 +125
°
C –40
°
C 0
05013-007
10
05013-010
100 1k 10k 100k 1M 3 4 5 6 7 8 9 10 11 12 FREQUENCY (Hz) POWER SUPPLY (V)
Figure 7. Bandwidth Figure 10. Positive Common-Mode Voltage vs. Voltage Supply
100 5.0 95 90 4.0 85 80 3.0 75 CMRR (dB) 70 2.0 65 OUTPUT VOLTAGE (dB) 60 1.0 55 50
05013-008
0
05013-011
10 100 1k 10k 100k 10 100 1k 10k FREQUENCY (Hz) LOAD RESISTANCE (
Ω
)
Figure 8. Common-Mode Rejection Ratio vs. Frequency Figure 11. Output Swing vs. Load Resistance for Common-Mode Range −6 V to +30 V Rev. D | Page 6 of 20 Document Outline Features Applications Functional Block Diagrams Revision History Specifications Single Supply Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Current Sensing High Line, High Current Sensing Low Current Sensing Gain Adjustment Gains Less Than 14 Gains Greater Than 14 Gain Trim Internal Signal Overload Considerations Low-Pass Filtering High Line Current Sensing with LPF and Gain Adjustment Driving Charge Redistribution ADCs Outline Dimensions Ordering Guide