Datasheet > AD8221BR-REEL7

AD8221BR-REEL7

更新时间： 2022-11-24 22:05:50

品牌	Logo	应用领域
亚德诺 - ADI		仪表放大器
页数	文件大小	规格书
20页	1116K
描述
Precision Instrumentation Amplifier

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数据手册

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AD8221BR-REEL7 数据手册

AD8221

180

160

140

120

100

0.80

0.75

0.70

0.65

0.60

0.55

0.50

0.45

0.40

GAIN = 1000

GAIN = 100

= ±15V

GAIN = 10

GAIN = 1

GAIN = 1000

= ±5V

0.1

100

10k

100k

–15

–10

–5

COMMON-MODE VOLTAGE (V)

FREQUENCY (Hz)

Figure 9. I_BIASvs. CMV

Figure 12. Positive PSRR vs. Frequency, RTI (G = 1 to 1000)

180

160

140

120

100

2.00

1.75

1.50

1.25

1.00

0.75

0.50

0.25

GAIN = 1000

GAIN = 100

GAIN = 10

GAIN = 1

0.1

100

10k

100k

0.01

0.1

WARM-UP TIME (min)

FREQUENCY (Hz)

Figure 10. Change in Input Offset Voltage vs. Warm-Up Time

Figure 13. Negative PSRR vs. Frequency, RTI (G = 1 to 1000)

100k

10k

5.0

4.0

3.0

= ±15V

2.0

BEST AVAILABLE FET

INPUT IN-AMP GAIN = 1

1.0

INPUT OFFSET CURRENT

INPUT BIAS CURRENT

BEST AVAILABLE FET

INPUT IN-AMP GAIN = 1000

–1.0

–2.0

–3.0

–4.0

–5.0

AD8221 GAIN = 1

100

AD8221 GAIN = 1000

100

10k

100k

10M

–40

–20

100

120

140

SOURCE RESISTANCE (Ω)

TEMPERATURE (°C)

Figure 11. Input Bias Current and Offset Current vs. Temperature

Figure 14. Total Drift vs. Source Resistance

Rev. A | Page 7 of 20

1...4 5 678 9 10...20

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