VOUT, dm R" />
參數(shù)資料
型號(hào): AD8476BCPZ-RL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 8/24頁(yè)
文件大小: 0K
描述: IC AMP DIFF ADC DVR 16LFCSP
標(biāo)準(zhǔn)包裝: 5,000
放大器類(lèi)型: 差分
電路數(shù): 1
輸出類(lèi)型: 差分,滿(mǎn)擺幅
轉(zhuǎn)換速率: 10 V/µs
-3db帶寬: 5MHz
電流 - 電源: 330µA
電流 - 輸出 / 通道: 35mA
電壓 - 電源,單路/雙路(±): 3 V ~ 18 V,±1.5 V ~ 9 V
工作溫度: -40°C ~ 125°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-WFQFN 裸露焊盤(pán),CSP
供應(yīng)商設(shè)備封裝: 16-LFCSP-WQ(3x3)
包裝: 帶卷 (TR)
AD8476
Data Sheet
Rev. B | Page 16 of 24
TERMINOLOGY
+IN
VOCM
–IN
+OUT
–OUT
VOUT, dm
RL, dm
AD8476
10k
10195-
057
Figure 50. Signal and Circuit Definitions
Differential Voltage
Differential voltage refers to the difference between two
node voltages. For example, the output differential voltage (or
equivalently, output differential mode voltage) is defined as
VOUT, dm = (V+OUT VOUT)
where V+OUT and VOUT refer to the voltages at the +OUT and
OUT terminals with respect to a common ground reference.
Similarly, the differential input voltage is defined as
VIN, dm = (V+IN VIN)
Common-Mode Voltage
Common-mode voltage refers to the average of two node voltages
with respect to the local ground reference. The output common-
mode voltage is defined as
VOUT, cm = (V+OUT + VOUT)/2
Balance
Output balance is a measure of how close the output differential
signals are to being equal in amplitude and opposite in phase.
Output balance is most easily determined by placing a well-
matched resistor divider between the differential voltage nodes
and comparing the magnitude of the signal at the divider midpoint
with the magnitude of the differential signal. By this definition,
output balance is the magnitude of the output common-mode
voltage divided by the magnitude of the output differential
mode voltage.
dm
OUT
cm
OUT
V
Error
Balance
Output
,
=
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