Datasheet AD8429 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 1 nV/√Hz Low Noise Instrumentation Amplifier |
| 页数 / 页 | 21 / 9 — AD8429. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 160. G = 1. VS = … |
| 修订版 | A |
| 文件格式/大小 | PDF / 735 Kb |
| 文件语言 | 英语 |
AD8429. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 160. G = 1. VS = ±15V. GAIN = 1000 GAIN = 100. 140. GAIN = 10. GAIN = 1. E (V)
文件文字版本
AD8429 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
T = 25°C, VS = ±15, VREF = 0, RL = 10 kΩ, unless otherwise noted.
15 160 G = 1 VS = ±15V GAIN = 1000 GAIN = 100 140 GAIN = 10 10 GAIN = 1 E (V) VS = ±12V 120 G ) A 5 B T L (d 100 R E VO 0 V D S = ±5V 80 IVE PSR -MO T N SI 60 –5 PO MMO O 40 C –10 20 –15 0 –15 –10 –5 0 5 10 15
010
1 10 100 1k 10k 100k 1M
069
OUTPUT VOLTAGE (V)
09730-
FREQUENCY (Hz)
09730- Figure 4. Input Common-Mode Voltage vs. Output Voltage, Figure 7. Positive PSRR vs. Frequency Dual Supply, VS = ±5 V, ±12 V, ±15 V (G = 1)
15 160 GAIN = 1000 G = 100 VS = ±15V GAIN = 100 140 GAIN = 10 10 GAIN = 1 120 E (V) VS = ±12V ) G B A 5 T (d L 100 R E VO 0 V D S = ±5V 80 IVE PSR -MO T N A 60 –5 EG N MMO O 40 C –10 20 –15 0 –15 –10 –5 0 5 10 15
011
1 10 100 1k 10k 100k 1M
070
OUTPUT VOLTAGE (V) FREQUENCY (Hz)
09730- 09730- Figure 5. Input Common-Mode Voltage vs. Output Voltage, Figure 8. Negative PSRR vs. Frequency Dual Supply, VS = ±5 V, ±12 V, ±15 V (G = 100)
0 70 GAIN = 1000 VS = ±15V –5 60 –10 50 A) n GAIN = 100 ( –15 40 –12.28V NT –20 30 B) d GAIN = 10 –25 20 CURRE N ( AI AS +12.60V –30 G 10 BI GAIN = 1 UT –35 0 INP –40 –10 –45 –20 –50 –30 –14 –12 –10 –8 –6 –4 –2 0 2 4 6 8 10 12 14
068
100 1k 10k 100k 1M 10M 100M
017
COMMON-MODE VOLTAGE (V) FREQUENCY (Hz)
09730- 09730- Figure 6. Input Bias Current vs. Common-Mode Voltage Figure 9. Gain vs. Frequency Rev. A | Page 8 of 20 Document Outline FEATURES APPLICATIONS PIN CONNECTION DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE RG Power Dissipation REFERENCE TERMINAL INPUT VOLTAGE RANGE LAYOUT Common-Mode Rejection Ratio over Frequency Power Supplies and Grounding 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 = 10 kΩ, unless otherwise noted.
15 160 G = 1 VS = ±15V GAIN = 1000 GAIN = 100 140 GAIN = 10 10 GAIN = 1 E (V) VS = ±12V 120 G ) A 5 B T L (d 100 R E VO 0 V D S = ±5V 80 IVE PSR -MO T N SI 60 –5 PO MMO O 40 C –10 20 –15 0 –15 –10 –5 0 5 10 15
010
1 10 100 1k 10k 100k 1M
069
OUTPUT VOLTAGE (V)
09730-
FREQUENCY (Hz)
09730- Figure 4. Input Common-Mode Voltage vs. Output Voltage, Figure 7. Positive PSRR vs. Frequency Dual Supply, VS = ±5 V, ±12 V, ±15 V (G = 1)
15 160 GAIN = 1000 G = 100 VS = ±15V GAIN = 100 140 GAIN = 10 10 GAIN = 1 120 E (V) VS = ±12V ) G B A 5 T (d L 100 R E VO 0 V D S = ±5V 80 IVE PSR -MO T N A 60 –5 EG N MMO O 40 C –10 20 –15 0 –15 –10 –5 0 5 10 15
011
1 10 100 1k 10k 100k 1M
070
OUTPUT VOLTAGE (V) FREQUENCY (Hz)
09730- 09730- Figure 5. Input Common-Mode Voltage vs. Output Voltage, Figure 8. Negative PSRR vs. Frequency Dual Supply, VS = ±5 V, ±12 V, ±15 V (G = 100)
0 70 GAIN = 1000 VS = ±15V –5 60 –10 50 A) n GAIN = 100 ( –15 40 –12.28V NT –20 30 B) d GAIN = 10 –25 20 CURRE N ( AI AS +12.60V –30 G 10 BI GAIN = 1 UT –35 0 INP –40 –10 –45 –20 –50 –30 –14 –12 –10 –8 –6 –4 –2 0 2 4 6 8 10 12 14
068
100 1k 10k 100k 1M 10M 100M
017
COMMON-MODE VOLTAGE (V) FREQUENCY (Hz)
09730- 09730- Figure 6. Input Bias Current vs. Common-Mode Voltage Figure 9. Gain vs. Frequency Rev. A | Page 8 of 20 Document Outline FEATURES APPLICATIONS PIN CONNECTION DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE RG Power Dissipation REFERENCE TERMINAL INPUT VOLTAGE RANGE LAYOUT Common-Mode Rejection Ratio over Frequency Power Supplies and Grounding 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