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參數(shù)資料
| 型號(hào)： | ADA4310-1ARHZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP CF DUAL LDIST 10MSOP |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 放大器類型： | 電流反饋 |
| 電路數(shù)： | 2 |
| 轉(zhuǎn)換速率： | 820 V/µs |
| -3db帶寬： | 190MHz |
| 電流 - 輸入偏壓： | 6µA |
| 電壓 - 輸入偏移： | 1000µV |
| 電流 - 電源： | 7.6mA |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 12 V，±2.5 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
ADA4310-1
Rev. 0 | Page 10 of 16
THEORY OF OPERATION
The ADA4310-1 is a current feedback amplifier with high
output current capability. With a current feedback amplifier, the
current into the inverting input is the feedback signal, and the
open-loop behavior is that of a transimpedance, dVO/dIIN or TZ.
The open-loop transimpedance is analogous to the open-loop
voltage gain of a voltage feedback amplifier. Figure 20 shows a
simplified model of a current feedback amplifier. Because RIN is
proportional to 1/gm, the equivalent voltage gain is just TZ × gm,
where gm is the transconductance of the input stage. Basic
analysis of the follower with gain circuit yields
()
F
IN
Z
IN
O
R
G
s
T
s
T
G
V
+
×
+
×
=
where:
G
F
R
G
+
= 1
Ω
50
1 ≈
=
m
IN
g
R
Because G × RIN << RF for low gains, a current feedback
amplifier has relatively constant bandwidth vs. gain, the 3 dB
point being set when |TZ| = RF.
Of course, for a real amplifier there are additional poles that
contribute excess phase, and there is a value for RF below which
the amplifier is unstable. Tolerance for peaking and desired
flatness determines the optimum RF in each application.
06
02
7-
0
17
RF
VOUT
RG
RN
VIN
RIN
IIN
TZ
Figure 20. Simplified Block Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADA4311-1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost, Dual, High Current Output Line Driver with Shutdown |
| ADA4311-1ARHZ | 功能描述:IC LINE DRVR DUAL HI CURR 10MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| ADA4311-1ARHZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost, Dual, High Current Output Line Driver with Shutdown |
| ADA4311-1ARHZ-R7 | 功能描述:IC LINE DRIVER DUAL HS 10-MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:0.2 V/µs 增益帶寬積:- -3db帶寬:- 電流 - 輸入偏壓:100pA 電壓 - 輸入偏移:30µV 電流 - 電源:380µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):±2 V ~ 18 V 工作溫度:0°C ~ 70°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:管件 |
| ADA4311-1ARHZ-R71 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost, Dual, High Current Output Line Driver with Shutdown |
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