參數(shù)資料
型號(hào)： AD8131ARZ-REEL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 13/21頁(yè)
文件大?。?/td> 0K
描述： IC AMP DIFF LDIST 60MA 8SOIC
標(biāo)準(zhǔn)包裝： 1,000
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-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SO
包裝： 帶卷 (TR)
AD8131
Rev. B | Page 19 of 20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
P
OUT
(dBm)
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
FREQUENCY (MHz)
01072-042
Figure 42. FFT Plot for AD8131/AD9203
UNITY-GAIN, SINGLE-ENDED-TO-DIFFERENTIAL
DRIVER
If it is not necessary to offset the output common-mode voltage
(via the VOCM pin), then the AD8131 can make a simple unity-
gain single-ended-to-differential amplifier that does not require
any external components. Figure 43 shows the schematic for
this circuit.
–
INPUT
OUT
+OUT
8
2
3
6
5
4
+
1
49.9
Ω
10 F
0.1 F
10 F
0.1 F
+5V
–5V
AD8131
01072-043
Figure 43. Unity Gain, Single-Ended-to-Differential Amplifier
As shown above, when DIN is left floating, there is 100%
feedback of +OUT to IN via the internal feedback resistor.
This contrasts with the typical gain of 2 operation where DIN is
grounded and one third of the +OUT is fed back to IN. The
result is a closed-loop differential gain of 1.
Upon careful observation, it can be seen that only +DIN and VOCM
are referenced to ground. The ground voltage at VOCM is the
reference for this circuit. In this unity gain configuration, if a dc
voltage is applied to VOCM to shift the common-mode voltage, a
differential dc voltage will be created at the output, along with the
common-mode voltage change. Thus, this configuration cannot
be used when it is desired to offset the common-mode voltage of
the output with respect to the input at +DIN.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD8131-EVAL 制造商:AD 制造商全稱:Analog Devices 功能描述:Low-Cost, High-Speed Differential Driver
AD8132 制造商:AD 制造商全稱:Analog Devices 功能描述:Low-Cost, High-Speed Differential Amplifier
AD8132_06 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost, High Speed Differential Amplifier
AD8132_09 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost, High Speed Differential Amplifier
AD8132AR 功能描述:IC AMP DIFF LDIST LP 70MA 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源，單路/雙路(±):2 V ~ 44 V，±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-DFN-EP（5x3） 包裝:管件
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