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| 型号： | LT1395CS5#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 13/20页 |
| 文件大小： | 0K |
| 描述： | IC AMP CURR FEEDBK SNGL TSOT23-5 |
| 标准包装： | 1 |
| 放大器类型： | 电流反馈 |
| 电路数： | 1 |
| 转换速率： | 800 V/µs |
| -3db带宽： | 400MHz |
| 电流 - 输入偏压： | 10µA |
| 电压 - 输入偏移： | 1000µV |
| 电流 - 电源： | 4.6mA |
| 电流 - 输出 / 通道： | 80mA |
| 电压 - 电源，单路/双路(±)： | 4 V ~ 12 V，±2 V ~ 6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 1318 (CN2011-ZH PDF) |
| 其它名称： | LT1395CS5#TRMPBFDKR |
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
LT1227/LT1229/LT1230
140MHz Single/Dual/Quad Current Feedback Amplier
1100V/μs Slew Rate, Single Adds Shutdown Pin
LT1252/LT1253/LT1254
Low Cost Video Ampliers
Single, Dual and Quad 100MHz Current Feedback Ampliers
LT1363/LT1364/LT1365
70MHz Single/Dual/Quad Op Amps
1000V/μs Slew Rate, Voltage Feedback
LT1398/LT1399
Dual/Triple Current Feedback Ampliers
300MHz Bandwidth, 0.1dB Flatness > 150MHz with Shutdown
LT1675
Triple 2:1 Buffered Video Multiplexer
2.5ns Switching Time, 250MHz Bandwidth
LT6559
Low Cost Triple Current Feedback Ampliers
300MHz Bandwidth, Specied at +5V and ±5V, 3mm
× 3mm
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1395CS5-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Single/Dual/Quad 400MHz Current Feedback Amplifier |
| LT1395CS6 | 制造商:Linear Technology 功能描述:OP Amp Single Current Fdbk ±6V/12V 6-Pin TSOT-23 |
| LT1395CS6#PBF | 制造商:Linear Technology 功能描述:OP Amp Single Current Fdbk 6V/12V 6-Pin TSOT-23 制造商:Linear Technology 功能描述:SC-Amps/High Speed, Cut Tape Single 400MHz CFA |
| LT1395CS6#TR | 功能描述:IC AMP CURR FEEDBACK SGL SOT23-6 RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:- 放大器类型:通用 电路数:1 输出类型:满摆幅 转换速率:0.11 V/µs 增益带宽积:350kHz -3db带宽:- 电流 - 输入偏压:4nA 电压 - 输入偏移:20µV 电流 - 电源:260µA 电流 - 输出 / 通道:20mA 电压 - 电源，单路/双路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SO 包装:带卷 (TR) |
| LT1395CS6#TRM | 功能描述:IC AMP CURR-FEEDBACK SGL SOT23-6 RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.6 V/µs 增益带宽积:1MHz -3db带宽:- 电流 - 输入偏压:2pA 电压 - 输入偏移:1000µV 电流 - 电源:85µA 电流 - 输出 / 通道:20mA 电压 - 电源，单路/双路(±):1.8 V ~ 6 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOICN 包装:剪切带 (CT) 产品目录页面:680 (CN2011-ZH PDF) 其它名称:MCP6L04T-E/SLCT |
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