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參數資料
| 型號： | LT1396CS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Single/Dual/Quad 400MHz Current Feedback Amplifier |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SOP-8 |
| 文件頁數： | 12/12頁 |
| 文件大?。?/td> | 196K |
| 代理商： | LT1396CS8 |
12
LT1395/LT1396/LT1397
LINEAR TECHNOLOGY CORPORATION 1999
139567f LT/TP 0100 4K PRINTED IN USA
U
A
O
PPLICATI
TYPICAL
Single Supply RGB Video Amplifier
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
LT1227/LT1229/LT1230
LT1252/LT1253/LT1254
LT1398/LT1399
LT1675
LT1363/LT1364/LT1365
DESCRIPTION
140MHz Single/Dual/Quad Current Feedback Amplifier
Low Cost Video Amplifiers
Dual/Triple Current Feedback Amplifiers
Triple 2:1 Buffered Video Mulitplexer
70MHz Single/Dual/Quad Op Amps
COMMENTS
1100V/
μ
s Slew Rate, Single Adds Shutdown Pin
Single, Dual and Quad 100MHz Current Feedback Amplifiers
300MHz Bandwidth, 0.1dB Flatness > 150MHz with Shutdown
2.5ns Switching Time, 250MHz Bandwidth
1000V/
μ
s Slew Rate, Voltage Feedback
RELATED PARTS
Figure 3. Single Supply RGB Video Amplifier (1 of 4 Channels)
–
+
A1
LT1395
D1
1N4148
C1
4.7
μ
F
D2
1N4148
R9
75
R8
255
V
6V TO 12V
R7
255
R5
2.32
R4
75
V
IN
R2
1300
R3
160
R1
1000
5V
R6
84.5
V
OUT
1395/6/7 TA03
The LT1395 can be used with a single supply voltage of
6V or more to drive ground-referenced RGB video. In
Figure 3, two 1N4148 diodes D1 and D2 have been placed
in series with the output of the LT1395 amplifier 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.
Amplifier A1 is used in a positive gain configuration. The
feedback resistor R8 is 255
. The gain resistor is cre-
ated from the parallel combination of R6 and R7, giving
a Thevenin equivalent 63.5
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
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
turn off. 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.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LT1396CS8#PBF | 功能描述:IC CURRNT FEEDBCK AMP DUAL 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1,000 系列:- 放大器類型:電壓反饋 電路數:4 輸出類型:滿擺幅 轉換速率: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） 供應商設備封裝:14-SOIC 包裝:帶卷 (TR) |
| LT1396CS8#TR | 功能描述:IC AMP CURR FEEDBACK DUAL 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1,000 系列:- 放大器類型:電壓反饋 電路數:4 輸出類型:滿擺幅 轉換速率: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） 供應商設備封裝:14-SOIC 包裝:帶卷 (TR) |
| LT1396CS8#TRPBF | 功能描述:IC CURRNT FEEDBCK AMP DUAL 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1,000 系列:- 放大器類型:電壓反饋 電路數:4 輸出類型:滿擺幅 轉換速率: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） 供應商設備封裝:14-SOIC 包裝:帶卷 (TR) |
| LT1396CS8-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Single/Dual/Quad 400MHz Current Feedback Amplifier |
| LT1396CS8-TR | 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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