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参数资料
| 型号： | AD8148 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Triple Differential Driver for Wideband Video |
| 中文描述： | 三差分驱动器的宽带视频 |
| 文件页数： | 17/24页 |
| 文件大小： | 438K |
| 代理商： | AD8148 |
AD8146/AD8147/AD8148
Rev. 0 | Page 17 of 24
–OUT R
+OUT R
–OUT G
+OUT G
–OUT B
+OUT B
V
OCM
WEIGHTING EQUATIONS:
RED V
OCM
=2
SYNC
– H
SYNC
) + V
MIDSUPPLY
GREEN V
OCM
=2
SYNC
) + V
MIDSUPPLY
BLUE V
OCM
=2
SYNC
+ H
SYNC
) + V
MIDSUPPLY
+IN R
–IN R
V
SYNC
H
SYNC
SYNC LEVEL
+IN G
–IN G
+IN B
–IN B
R
1k
1k
AD8147/AD8148
500
500
G
1k
1k
500
500
V
OCM
V
OCM
V
OCM
B
1k
1k
500
500
OPD
×2
0
Figure 30. AD8147/AD8148 Sync-On Common-Mode Encoding Scheme
0
0.5
1.0
1.5
2.0
4.0
3.5
4.5
2.5
3.0
5.0
0.99
1.00
1.01
1.03
1.04
1.05
1.02
TIME (μs)
1.06
1.07
H
SYNC
V
SYNC
2.0
2.1
2.2
2.3
2.4
2.9
2.8
3.0
2.5
2.6
2.7
3.1
R
G
B
0
V
V
Figure 31. AD8147 Sync-On Common-Mode Signals in Single 5 V Application
The transmitted common-mode sync signal magnitudes are
scaled by applying a dc voltage to the SYNC LEVEL input,
referenced to GND. The difference between the voltage applied
to the SYNC LEVEL input and GND sets the peak deviation of
the encoded sync signals about the midsupply, common-mode
voltage. For example, with the SYNC LEVEL input set at 500 mV
the deviation of the encoded sync pulses about the nominal
midsupply, common-mode voltage is typically ±500 mV. The
equations in Figure 30 describe how the V
SYNC
and H
SYNC
signals
are encoded on each color’s midsupply common-mode signal.
In these equations, the weights of the V
SYNC
and H
SYNC
signals
are ±1 (+1 for high and 1 for low), and the constant K is equal
to the peak deviation of the encoded sync signals.
Figure 31 shows how the sync signals appear on each common-
mode voltage in a single 5 V supply application when the voltage
applied to the SYNC LEVEL input is 500 mV, which is the
typical setting for most applications.
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| AD8148ACPZ-R2 | 功能描述:IC DRIVER TRPL DIFF VID 24LFCSP RoHS:是 类别:集成电路 (IC) >> 线性 - 放大器 - 视频放大器和频缓冲器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 应用:TFT-LCD 面板：VCOM 驱动器 输出类型:满摆幅 电路数:1 -3db带宽:35MHz 转换速率:40 V/µs 电流 - 电源:3.7mA 电流 - 输出 / 通道:1.3A 电压 - 电源，单路/双路(±):9 V ~ 20 V，±4.5 V ~ 10 V 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽）裸露焊盘 供应商设备封装:8-uMax-EP 包装:管件 |
| AD8148ACPZ-R7 | 功能描述:IC DRIVER TRIPLE DIFF 24-LFCSP RoHS:是 类别:集成电路 (IC) >> 线性 - 放大器 - 视频放大器和频缓冲器 系列:- 标准包装:1,000 系列:- 应用:驱动器 输出类型:差分 电路数:3 -3db带宽:350MHz 转换速率:1000 V/µs 电流 - 电源:14.5mA 电流 - 输出 / 通道:60mA 电压 - 电源，单路/双路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安装类型:表面贴装 封装/外壳:20-VFQFN 裸露焊盘 供应商设备封装:20-QFN 裸露焊盘（4x4） 包装:带卷 (TR) |
| AD8148ACPZ-RL | 功能描述:IC DRIVER TRIPLE DIFF 24-LFCSP RoHS:是 类别:集成电路 (IC) >> 线性 - 放大器 - 视频放大器和频缓冲器 系列:- 标准包装:1,000 系列:- 应用:驱动器 输出类型:差分 电路数:3 -3db带宽:350MHz 转换速率:1000 V/µs 电流 - 电源:14.5mA 电流 - 输出 / 通道:60mA 电压 - 电源，单路/双路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安装类型:表面贴装 封装/外壳:20-VFQFN 裸露焊盘 供应商设备封装:20-QFN 裸露焊盘（4x4） 包装:带卷 (TR) |
| AD815 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SILICON DUAL DIFFERNTIAL AMPLIFIER TRANSISTORS |
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