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參數(shù)資料
| 型號(hào)： | LT1260 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Low Cost Triple 130MHz Current Feedback Amplifiers with Shutdown(低價(jià)值,三通道130MHz電流反饋放大器(帶關(guān)斷)) |
| 中文描述： | 低成本與斷三130MHz的電流反饋放大器（低價(jià)值，三通道130MHz的電流反饋放大器（帶關(guān)斷）） |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 324K |
| 代理商： | LT1260 |
9
LT1259/LT1260
V
S
=
±
5V
V
IN
= 0.1V
Amplifier Disable Time, A
V
= 10
R
F
= 1k
R
G
= 110
LT1259/LT1260 AI05
EN
OUTPUT
R
L
= 150
Amplifier Enable/Disable Time, A
V
= 2
V
S
=
±
5V
V
IN
= 2VPP at 2MHz
LT1259/LT1260 AI06
OUTPUT
R
F
= R
G
= 1.6k
R
L
= 100
Differential Input Signal Swing
The differential input swing is limited to about
±
6V by an
ESD protection device connected between the inputs. In
normal operation, the differential voltage between the
input pins is small, so this clamp has no effect. In the
disabled mode however, the differential swing can be the
same as the input swing, and the clamp voltage will set the
maximum allowable input voltage.
V
S
=
±
5V
V
IN
A
= V
IN 2
= 2VPP at 2MHz
2-Input Video MUX Switching Response
LT1259/LT1260 TA03
EN A
EN B
R
F
= R
G
= 1.6k
R
L
= 100
2-Input Video MUX Cable Driver
The application on the first page shows a low cost, 2-
input video MUX cable driver. The scope photo displays
the cable output of a 30MHz square wave driving 150
.
In this circuit the active amplifier is loaded by R
F
and R
G
of the disabled amplifier, but in this case it only causes a
1.2% gain error. The gain error can be eliminated by
configuring each amplifier as a unity-gain follower. The
switching time between channels is 100ns when both
EN A and EN B are driven.
2-Input RGB MUX Cable Driver Demonstration Board
A complete 2-input RGB MUX has been fabricated on PC
Demo Board #039A. The board incorporates two LT1260s
with outputs summed through 75
back termination
resistors as shown in the schematic. There are several
things to note about Demo Board #039A:
1. The feedback resistors of the disabled LT1260 load
the enabled amplifier and cause a small (1% to 2%)
gain error depending on the values of R
F
and R
G
.
Configure the amplifiers as unity-gain followers to
eliminate this error.
2. The feedback node has minimum trace length connect-
ing R
F
and R
G
to minimize stray capacitance.
3. Ground plane is pulled away from R
F
and R
G
on both
sides of the board to minimize stray capacitance.
EN
APPLICATIOU
W
U
U
TYPICAL APPLICATIO S
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1260CN | 功能描述:IC AMP W/SHUTDOWN TRIPLE 16-DIP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR |
| LT1260CN#PBF | 功能描述:IC AMP W/SHUTDOWN TRIPLE 16-DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:MicroAmplifier™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:5pA 電壓 - 輸入偏移:1500µV 電流 - 電源:220µA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 36 V，±2.25 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:剪切帶 (CT) 其它名稱:296-29363-1 |
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