參數(shù)資料
型號: AD8063ART-R2
廠商: ANALOG DEVICES INC
元件分類: 運動控制電子
英文描述: Low Cost, 300 MHz Rail-to-Rail Amplifiers
中文描述: OP-AMP, 6000 uV OFFSET-MAX, PDSO6
封裝: MO-178AB, SOT-23, 6 PIN
文件頁數(shù): 18/20頁
文件大?。?/td> 302K
代理商: AD8063ART-R2
AD8061/AD8062/AD8063
MULTIPLEXER
The AD8063 has a disable pin used to power down the ampli-
fier to save power or to create a mux circuit. If two (or more)
AD8063 outputs are connected together, and only one is enabled,
then only the signal of the enabled amplifier will appear at the
output. This configuration is used to select from various input
signal sources. Additionally, the same input signal is applied to
different gain stages, or differently tuned filters, to make a gain-
step amplifier or a selectable frequency amplifier.
Rev. D | Page 18 of 20
The SELECT signal and the output waveforms for this circuit
are shown in Figure 57. For synchronization clarity, two differ-
ent frequency synthesizers, whose time bases are locked to each
other, generate the signals.
1V
2V
2
μ
s
SELECT
OUTPUT
0
Figure 56 shows a schematic of two AD8063s used to create a
mux that selects between two inputs. One of these is a 1 V p-p,
3 MHz sine wave; the other is a 2 V p-p, 1 MHz sine wave.
49.9
Ω
1k
Ω
+4V
1
–4V
49.9
Ω
TIME
BASE
OUT
TIME
BASE
IN
1V p-p
3MHz
2V p-p
1MHz
V
OUT
49.9
Ω
SELECT
HCO4
1k
Ω
10
μ
F
0.1
μ
F
10
μ
F
0.1
μ
F
AD8063
49.9
Ω
1k
Ω
+4V
1
4V
1k
Ω
10
μ
F
0.1
μ
F
10
μ
F
0.1
μ
F
AD8063
0
Figure 57. AD8063 Mux Output
Figure 56. Two-to-One Multiplexer Using Two AD8063s
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PDF描述
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