參數(shù)資料
型號: AD8131ARM
廠商: Analog Devices Inc
文件頁數(shù): 10/21頁
文件大?。?/td> 0K
描述: IC AMP DIFF LDIST 60MA 8MSOP
標(biāo)準(zhǔn)包裝: 50
放大器類型: 差分
電路數(shù): 1
輸出類型: 差分
轉(zhuǎn)換速率: 2000 V/µs
-3db帶寬: 400MHz
電流 - 輸入偏壓: 500nA
電壓 - 輸入偏移: 1500µV
電流 - 電源: 11.5mA
電流 - 輸出 / 通道: 60mA
電壓 - 電源,單路/雙路(±): 2.8 V ~ 11 V,±1.4 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 8-MSOP
包裝: 管件
AD8131
Rev. B | Page 17 of 20
INPUT COMMON-MODE VOLTAGE RANGE IN
SINGLE-SUPPLY APPLICATIONS
The AD8131 is optimized for level-shifting ground referenced
input signals. For a single-ended input this would imply, for
example, that the voltage at DIN in Figure 39 would be zero
volts when the amplifier’s negative power supply voltage (at V)
was also set to zero volts.
SETTING THE OUTPUT COMMON-MODE VOLTAGE
The AD8131’s VOCM pin is internally biased at a voltage
approximately equal to the midsupply point (average value of
the voltages on V+ and V). Relying on this internal bias results
in an output common-mode voltage that is within about 25 mV
of the expected value.
In cases where more accurate control of the output common-
mode level is required, it is recommended that an external
source, or resistor divider (made up of 10 kΩ resistors), be used.
DRIVING A CAPACITIVE LOAD
A purely capacitive load can react with the pin and bondwire
inductance of the AD8131 resulting in high frequency ringing
in the pulse response. One way to minimize this effect is to
place a small resistor in series with the amplifier’s outputs as
shown in Figure 26.
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