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AD8244ARMZ-R7 Folha de dados(PDF) 18 Page - Analog Devices

Nome de Peças AD8244ARMZ-R7
Descrição Electrónicos  Single-Supply, Low Power, Precision FET Input Quad Buffer
PDF  20 Pages
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

AD8244ARMZ-R7 Folha de dados(HTML) 18 Page - Analog Devices

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AD8244
Data Sheet
LOW NOISE, JFET INPUT BUFFER
The voltage noise of the AD8244 can be reduced by placing
multiple buffers in parallel. For example, two buffers in parallel
reduce the voltage noise by √2, or all four buffers placed in
parallel act as a buffer with ½ the noise. The trade-offs to this
method are increased bias current, current noise, and input
capacitance. Place a small resistor, such as 50 Ω, between the
outputs to avoid extra current flow due to the slight differences
between each output. For less power sensitive applications, these
50 Ω resistors can be omitted to boost the available output current.
VOUT
VIN
RS
AD8244
RO
1/4
AD8244
RO
1/4
AD8244
RO
1/4
AD8244
RO
1/4
Figure 47. Reducing the Voltage Noise
Rev. 0 | Page 18 of 20



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