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AD8610ARM-R2 数据表(PDF) 17 Page - Analog Devices

部件名 AD8610ARM-R2
功能描述  Precision, Very Low Noise, Low Input Bias Current, Wide Bandwidth JFET Operational Amplifier
PDF  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8610ARM-R2 数据表(HTML) 17 Page - Analog Devices

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AD8610/AD8620
THD Readings vs. Common-Mode Voltage
Total harmonic distortion of the AD8610/AD8620 is well below
0.0006% with any load down to 600 Ω. The AD8610/AD8620
outperform the OPA627 for distortion, especially at frequencies
above 20 kHz.
0.1
Settling Time
The AD8610/AD8620 have a very fast settling time, even to a
very tight error band, as can be seen from Figure 60. The AD8610/
AD8620 are configured in an inverting gain of +1 with 2 kΩ input
and feedback resistors. The output is monitored with a 10 X,
10 MΩ, 11.2 pF scope probe.
10
100
1k
10k
80k
0.01
0.001
0.0001
OPA627
AD8610
VS = ±13V
VIN = 5V rms
BW = 80kHz
0.001
0.01
0.1
1
10
1.2k
1.0k
800
600
400
200
0
FREQUENCY (Hz)
ERROR BAND (%)
Figure 58. AD8610 vs. OPA627 THD + Noise @ VCM = 0 V
Figure 60. AD8610/AD8620 Settling Time vs. Error Band
0.1
FREQUENCY (Hz)
OPA627
0.001
0.01
0.1
1
10
ERROR BAND (%)
1.2k
1.0k
800
600
400
200
0
Figure 59. THD + Noise vs. Frequency
Figure 61. OPA627 Settling Time vs. Error Band
Noise vs. Common-Mode Voltage
AD8610/AD8620 noise density varies only 10% over the input
range as shown in Table 5.
Table 5. Noise vs. Common-Mode Voltage
10
100
1k
10k
20k
0.01
0.001
4V rms
6V rms
2V rms
VS = ±13V
RL = 600Ω
VCM at F = 1 kHz (V)
Noise Reading (nV/√Hz)
−10
7.21
−5
6.89
0
6.73
+5
6.41
+10
7.21
Rev. E | Page 17 of 24



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