AD811 查看數據表（PDF） - Analog Devices
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AD811 Datasheet PDF : 20 Pages
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GENERAL DESCRIPTION (continued)
The AD811 is also excellent for pulsed applications where tran-
sient response is critical. It can achieve a maximum slew rate of
greater than 2500 V/µs with a settling time of less than 25 ns to
0.1% on a 2 V step and 65 ns to 0.01% on a 10 V step.
The AD811 is ideal as an ADC or DAC buffer in data acquisi-
tion systems due to its low distortion up to 10 MHz and its wide
unity gain bandwidth. Because the AD811 is a current feedback
amplifier, this bandwidth can be maintained over a wide range
of gains. The AD811 also offers low voltage and current noise of
1.9 nV/√Hz and 20 pA/√Hz, respectively, and excellent dc accu-
racy for wide dynamic range applications.
0.10
0.20
RF = 649Ω
0.09
FC = 3.58MHz
0.18
100 IRE
0.08
MODULATED RAMP 0.16
RL = 150Ω
0.07
0.14
0.06
0.12
0.05
0.10
0.04
PHASE
0.08
0.03
0.06
0.02
0.04
GAIN
0.01
0.02
0
0
5 6 7 8 9 10 11 12 13 14 15
SUPPLY VOLTAGE (±V)
Figure 5. Differential Gain and Phase
AD811
12
G = +2
9
RL = 150Ω
RG = RFB
6
3
VS = ±15V
VS = ±5V
0
–3
–6
1
10
100
FREQUENCY (MHz)
Figure 6. Frequency Response
Rev. E | Page 3 of 20
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