Datasheet AD8229 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 1 nV/√Hz Low Noise 210°C Instrumentation Amplifier |
| 页数 / 页 | 24 / 8 — AD8229. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. N: 200. N: 201. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 941 Kb |
| 文件语言 | 英语 |
AD8229. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. N: 200. N: 201. MEAN: 12.2. σ: 8.2. MEAN: 4.0. σ: 0.7. ITS H. ITS. 0–60. –40. –20
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AD8229 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
T = 25°C, VS = ±15, VREF = 0, RL = 2 kΩ, unless otherwise noted.
60 N: 200 N: 201 60 MEAN: 12.2 σ: 8.2 MEAN: 4.0 σ: 0.7 50 50 40 40 ITS H ITS 30 30 H 20 20 10 10 0–60 –40 –20 0 20 40 60 0
004
0 2 4 6 8
007
VOSI ±15V (µV)
09412-
IBIAS OFFSET (nA)
09412- Figure 5. Typical Distribution of Input Offset Voltage Figure 8. Typical Distribution of Input Offset Current
N: 200 N: 200 MEAN: 0.9 MEAN: 10.9 35 σ: 161.2 120 σ: 3.7 30 100 25 80 ITS 20 ITS H H 60 15 40 10 20 5 0 0 –600 –400 –200 0 200 400 600 800
005
–60 –40 –20 0 20 40 60
008
VOSO ±15V (µV)
09412-
CMRR G1 (µV/V)
09412- Figure 6. Typical Distribution of Output Offset Voltage Figure 9. Typical Distribution of Common Mode Rejection, G = 1
INVERTING N: 200 N: 198 40 NONINVERTING MEAN: –6.1 35 MEAN: –9.1 σ: 6.7 σ: 9.9 35 N: 200 MEAN: –10.1 30 σ: 6.9 30 25 25 20 ITS ITS H 20 H 15 15 10 10 5 5 0 0 –50 –40 –30 –20 –10 0 10 20 30 –60 –40 –20 0 20
006 015
IBIAS (nA) NINV G ERROR G1 10K ±15V (µV/V)
09412- 09412- Figure 7. Typical Distribution of Input Bias Current Figure 10. Typical Distribution of Gain Error, G = 1 Rev. B | Page 8 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings Predicted Lifetime vs. Operating Temperature Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Architecture Gain Selection RG Power Dissipation Reference Terminal Input Voltage Range Layout Common-Mode Rejection Ratio over Frequency Power Supplies Reference Pin Input Bias Current Return Path Input Protection Input Voltages Beyond the Rails Large Differential Input Voltage at High Gain IMAX Radio Frequency Interference (RFI) Calculating the Noise of the Input Stage Source Resistance Noise Voltage Noise of the Instrumentation Amplifier Current Noise of the Instrumentation Amplifier Total Noise Density Calculation Outline Dimensions Ordering Guide
T = 25°C, VS = ±15, VREF = 0, RL = 2 kΩ, unless otherwise noted.
60 N: 200 N: 201 60 MEAN: 12.2 σ: 8.2 MEAN: 4.0 σ: 0.7 50 50 40 40 ITS H ITS 30 30 H 20 20 10 10 0–60 –40 –20 0 20 40 60 0
004
0 2 4 6 8
007
VOSI ±15V (µV)
09412-
IBIAS OFFSET (nA)
09412- Figure 5. Typical Distribution of Input Offset Voltage Figure 8. Typical Distribution of Input Offset Current
N: 200 N: 200 MEAN: 0.9 MEAN: 10.9 35 σ: 161.2 120 σ: 3.7 30 100 25 80 ITS 20 ITS H H 60 15 40 10 20 5 0 0 –600 –400 –200 0 200 400 600 800
005
–60 –40 –20 0 20 40 60
008
VOSO ±15V (µV)
09412-
CMRR G1 (µV/V)
09412- Figure 6. Typical Distribution of Output Offset Voltage Figure 9. Typical Distribution of Common Mode Rejection, G = 1
INVERTING N: 200 N: 198 40 NONINVERTING MEAN: –6.1 35 MEAN: –9.1 σ: 6.7 σ: 9.9 35 N: 200 MEAN: –10.1 30 σ: 6.9 30 25 25 20 ITS ITS H 20 H 15 15 10 10 5 5 0 0 –50 –40 –30 –20 –10 0 10 20 30 –60 –40 –20 0 20
006 015
IBIAS (nA) NINV G ERROR G1 10K ±15V (µV/V)
09412- 09412- Figure 7. Typical Distribution of Input Bias Current Figure 10. Typical Distribution of Gain Error, G = 1 Rev. B | Page 8 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings Predicted Lifetime vs. Operating Temperature Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Architecture Gain Selection RG Power Dissipation Reference Terminal Input Voltage Range Layout Common-Mode Rejection Ratio over Frequency Power Supplies Reference Pin Input Bias Current Return Path Input Protection Input Voltages Beyond the Rails Large Differential Input Voltage at High Gain IMAX Radio Frequency Interference (RFI) Calculating the Noise of the Input Stage Source Resistance Noise Voltage Noise of the Instrumentation Amplifier Current Noise of the Instrumentation Amplifier Total Noise Density Calculation Outline Dimensions Ordering Guide