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AD5780 데이터시트(PDF) 26 Page - Analog Devices

부품명 AD5780
상세설명  Ultra Stable, 16-Bit 짹0.5 LSB INL
PDF  32 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD5780 데이터시트(HTML) 26 Page - Analog Devices

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AD5760
Data Sheet
Rev. B | Page 26 of 32
Gain of Two Configuration (×2 Gain Mode)
Figure 54 shows an output amplifier configured for a gain of
two. The gain is set by the internal matched 6.8 kΩ resistors,
which are exactly twice the DAC resistance, having the effect
of removing an offset from the input bias current of the external
amplifier. In this configuration, the output spans from 2 × VREFN −
VREFP to VREFP. This configuration is used to generate a bipolar
output span from a single-ended reference input, with VREFN =
0 V. For this mode of operation, the RBUF bit of the control
register must be cleared to Logic 0.
A1
6.8kΩ 6.8kΩ
R1
RFB
VREFP
RFB
INV
VOUT
VOUT
10pF
16-BIT
DAC
VREFN
AD5760
AD8675
ADA4898-1
ADA4004-1
Figure 54. Output Amplifier in Gain of Two Configuration



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