(408) 432-1900
參數(shù)資料
型號(hào)： LT1395CS8#TR
廠商： Linear Technology
文件頁(yè)數(shù)： 13/20頁(yè)
文件大?。?/td> 0K
描述： IC AMP CURR FEEDBACK SGL 8SOIC
標(biāo)準(zhǔn)包裝： 2,500
放大器類型： 電流反饋
電路數(shù)： 1
轉(zhuǎn)換速率： 800 V/µs
-3db帶寬： 400MHz
電流 - 輸入偏壓： 10µA
電壓 - 輸入偏移： 1000µV
電流 - 電源： 4.6mA
電流 - 輸出 / 通道： 80mA
電壓 - 電源，單路/雙路(±)： 4 V ~ 12 V，±2 V ~ 6 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： 帶卷 (TR)
LT1395/LT1396/LT1397
20
139567fd
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 1999
LT 0709 REV D PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER
DESCRIPTION
COMMENTS
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140MHz Single/Dual/Quad Current Feedback Amplier
1100V/μs Slew Rate, Single Adds Shutdown Pin
LT1252/LT1253/LT1254
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LT1363/LT1364/LT1365
70MHz Single/Dual/Quad Op Amps
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300MHz Bandwidth, 0.1dB Flatness > 150MHz with Shutdown
LT1675
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LT6559
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QFN Package
Single Supply RGB Video Amplier
The LT1395 can be used with a single supply voltage of
6V or more to drive ground-referenced RGB video. In
Figure 6, two 1N4148 diodes D1 and D2 have been placed
in series with the output of the LT1395 amplier A1 but
within the feedback loop formed by resistor R8. These
diodes effectively level-shift A1’s output downward by 2
diodes, allowing the circuit output to swing to ground.
Amplier A1 is used in a positive gain conguration.
The feedback resistor R8 is 255Ω. The gain resistor
is created from the parallel combination of R6 and R7,
giving a Thevenin equivalent 63.5Ω connected to 3.75V.
This gives an AC gain of + 5 from the noninverting input
of amplier A1 to the cathode of D2. However, the video
input is also attenuated before arriving at A1’s positive
input. Assuming a 75Ω source impedance for the signal
driving VIN, the Thevenin equivalent signal arriving at A1’s
positive input is 3V + 0.4VIN, with a source impedance
of 714Ω. The combination of these two inputs gives an
output at the cathode of D2 of 2 VIN with no additional
DC offset. The 75Ω back termination resistor R9 halves
the signal again such that VOUT equals a buffered ver-
sion of VIN.
It is important to note that the 4.7μF capacitor C1 has
been added to provide enough current to maintain the
voltage drop across diodes D1 and D2 when the circuit
output drops low enough that the diodes might other-
wise turn off. This means that this circuit works ne for
continuous video input, but will require that C1 charge
up after a period of inactivity at the input.
–
+
A1
LT1395
D1
1N4148
C1
4.7μF
D2
1N4148
R9
75Ω
R8
255Ω
VS
6V TO 12V
R7
255Ω
R5
2.32Ω
R4
75Ω
VIN
R2
1300Ω
R1
1000Ω
5V
R6
84.5Ω
R3
160Ω
VOUT
1395/6/7 TA03
Figure 6. Single Supply RGB Video Amplier (1 of 4 Channels)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1395CS8-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Single/Dual/Quad 400MHz Current Feedback Amplifier
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LT1396CDD 功能描述:IC AMP CURRNT FEEDBCK DUAL 8DFN RoHS:否 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
LT1396CDD#PBF 功能描述:IC AMP CURRNT FEEDBCK DUAL 8DFN 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
LT1396CDD#TR 功能描述:IC AMP CUR FDBK DUAL 400MHZ 8DFN RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 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:帶卷 (TR)
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