參數(shù)資料
型號(hào)： LT1399HVCS
廠商： LINEAR TECHNOLOGY CORP
元件分類： 運(yùn)動(dòng)控制電子
英文描述： Low Cost Dual and Triple 300MHz Current Feedback Amplifiers with Shutdown
中文描述： TRIPLE OP-AMP, 12000 uV OFFSET-MAX, 300 MHz BAND WIDTH, PDSO16
封裝： 0.150 INCH, PLASTIC, SO-16
文件頁(yè)數(shù)： 16/16頁(yè)
文件大?。?/td> 229K
代理商： LT1399HVCS
16
LT1398/LT1399/LT1399HV
LINEAR TECHNOLOGY CORPORATION 1998
13989f LT/TP 0699 4K PRINTED IN USA
U
A
O
PPLICATI
TYPICAL
Single Supply RGB Video Amplifier
The LT1399 can be used with a single supply voltage of
6V or more to drive ground-referenced RGB video. In
Figure 10, two 1N4148 diodes D1 and D2 have been
placed in series with the output of the LT1399 amplifier
A1 but within the feedback loop formed by resistor R8.
These diodes effectively level-shift A1’s output down-
ward by 2 diodes, allowing the circuit output to swing to
ground.
Amplifier A1 is used in a positive gain configuration. The
feedback resistor R8 is 324
. The gain resistor is created
from the parallel combination of R6 and R7, giving a
Thevenin equivalent 80.4
connected to 3.75V. This
gives an AC gain of +5 from the noninverting input of
amplifier A1 to the cathode of D2. However, the video
input is also attenuated before arriving at A1’s positive
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
PART NUMBER
LT1203/LT1205
LT1204
LT1227
LT1252/LT1253/LT1254
LT1259/LT1260
LT1675
DESCRIPTION
150MHz Video Multiplexers
4-Input Video MUX with Current Feedback Amplifier
140MHz Current Feedback Amplifier
Low Cost Video Amplifiers
Dual/Triple Current Feedback Amplifier
Triple 2:1 Buffered Video Mulitplexer
COMMENTS
2:1 and Dual 2:1 MUXs with 25ns Switch Time
Cascadable Enable 64:1 Multiplexing
1100V/
μ
s Slew Rate, Shutdown Mode
Single, Dual and Quad Current Feedback Amplifiers
130MHz Bandwidth, 0.1dB Flatness > 30MHz
2.5ns Switching Time, 250MHz Bandwidth
RELATED PARTS
input. Assuming a 75
source impedance for the signal
driving V
IN
, the Thevenin equivalent signal arriving at
A1’s positive input is 3V + 0.4V
IN
, with a source imped-
ance of 714
. The combination of these two inputs gives
an output at the cathode of D2 of 2 V
IN
with no additional
DC offset. The 75
back termination resistor R9 halves
the signal again such that V
OUT
equals a buffered version
of V
IN
.
It is important to note that the 4.7
μ
F 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 otherwise
reverse bias. This means that this circuit works fine for
continuous video input, but will require that C1 charge up
after a period of inactivity at the input.
–
+
A1
1/3 LT1399
D1
1N4148
C1
4.7
μ
F
D2
1N4148
R9
75
R8
324
V
S
6V TO 12V
R7
324
R5
2.32
R4
75
V
IN
R2
1300
R3
160
R1
1000
5V
R6
107
V
OUT
1398/99 F10
Figure 10. Single Supply RGB Video Amplifier (1 of 3 Channels)
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1399HVCS#PBF 功能描述:IC CURRNT FEEDBK AMP TRPL 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:350 V/µs 增益帶寬積:180MHz -3db帶寬:320MHz 電流 - 輸入偏壓:12.5µA 電壓 - 輸入偏移:800µV 電流 - 電源:15mA 電流 - 輸出 / 通道:85mA 電壓 - 電源，單路/雙路(±):2.5 V ~ 12.6 V，±1.25 V ~ 6.3 V 工作溫度:-40°C ~ 85°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:帶卷 (TR)
LT1399HVCS#TR 功能描述:IC AMP CURR FEEDBACK TRPL 16SOIC 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
LT1399HVCS#TRPBF 功能描述:IC CURRNT FEEDBK AMP TRPL 16SOIC 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
LT1399IGN 功能描述:IC CURRNT FEEDBK AMP TRPL 16SSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:350 V/µs 增益帶寬積:180MHz -3db帶寬:320MHz 電流 - 輸入偏壓:12.5µA 電壓 - 輸入偏移:800µV 電流 - 電源:15mA 電流 - 輸出 / 通道:85mA 電壓 - 電源，單路/雙路(±):2.5 V ~ 12.6 V，±1.25 V ~ 6.3 V 工作溫度:-40°C ~ 85°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:帶卷 (TR)
LT1399IGN#PBF 功能描述:IC CURRNT FEEDBK AMP TRPL 16SSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 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:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°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)
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