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參數資料
| 型號： | AD8148ACPZ-R7 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Triple Differential Driver for Wideband Video |
| 中文描述： | 三差分驅動器的寬帶視頻 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 438K |
| 代理商： | AD8148ACPZ-R7 |
Triple Differential Driver
for Wideband Video
AD8146/AD8147/AD8148
FEATURES
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2007 Analog Devices, Inc. All rights reserved.
www.analog.com
Triple high speed fully differential driver
700 MHz, 3 dB, 2 V p-p bandwidth (AD8146/AD8148)
600 MHz, 3 dB, 2 V p-p bandwidth (AD8147)
200 MHz, 0.1 dB, 2 V p-p bandwidth
3000 V/μs slew rate
Fixed gain (AD8146/AD8147: G = 2, AD8148: G = 4)
Differential or single-ended input to differential output
Can be used as differential-to-differential receiver
Drives one or two 100 Ω UTP cables
Adjustable output common-mode voltage (AD8146)
Internal common-mode feedback network
Output balance error 50 dB @ 50 MHz
On-chip, sync-on common-mode encoding (AD8147/AD8148)
Output pull-down feature for line isolation
Low power: 57 mA @ 5 V for 3 drivers (AD8146)
Wide supply voltage range: +5 V to ±5 V
Available in a small 4 mm × 4 mm LFCSP
APPLICATIONS
QXGA or 1080p video transmission
KVM networking
Video over unshielded twisted pair (UTP)
Differential signal multiplexing
FUNCTIONAL BLOCK DIAGRAMS
AD8146
OPD
1
V
S–
2
–IN A
3
+IN A
4
V
S–
5
V
OCM
C
V
S+
–IN C
+IN C
V
S–
18
17
16
15
14
–OUT A
6
–OUT C
13
V
S
–
+
V
S
V
O
A
24
23
22
21
20
V
O
B
19
+
V
S
+
–
V
S
7
8
9
10
11
+
12
A
B
C
0
Figure 1.
AD8147/
AD8148
OPD
1
V
S–
2
–IN R
3
+IN R
4
V
S–
5
SYNC LEVEL
V
S+
(SYNC)
–IN B
+IN B
V
S–
18
17
16
15
14
–OUT R
6
–OUT B
13
V
S
–
+
V
S
V
S
24
23
22
21
20
H
S
19
+
V
S
+
–
V
S
7
8
9
10
11
+
12
A
B
C
×2
0
Figure 2.
GENERAL DESCRIPTION
The AD8146/AD8147/AD8148 are high speed triple, differential or
single-ended input to differential output drivers. The AD8146
and AD8147 have a fixed gain of 2, and the AD8148 has a fixed
gain of 4. They are all specifically designed for the highest
resolution component video signals but can be used for any
type of analog signals or high speed data transmission over
either Category 5 UTP cable or differential printed circuit
board (PCB) transmission lines.
These drivers can be used with the
AD8145
triple differential-
to-singled-ended receiver, and the
AD8117
crosspoint switch to
produce a video distribution system capable of supporting
UXGA or 1080p signals.
Manufactured on the Analog Devices, Inc. second generation
XFCB bipolar process, the drivers have large signal bandwidths
of 700 MHz and fast slew rates. They have an internal common-
mode feedback feature that provides output amplitude and
phase matching that is balanced to 60 dB at 50 MHz,
suppressing even-order harmonics and minimizing radiated
electromagnetic interference (EMI).
The common-mode voltage of each AD8146 output can be set
to any level, allowing transmission of signals over the common-
mode voltages. The AD8147 and AD8148 encode the vertical
and horizontal sync signals on the common-mode voltages of
the outputs. All outputs can be independently set to low voltage
states to be used with series diodes for line isolation, allowing
easy differential multiplexing over the same twisted pair cable.
The AD8146/AD8147/AD8148 are available in a 24-lead LFCSP
and operate over a temperature range of 40°C to +85°C.
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| AD8148ACPZ-RL | 功能描述:IC DRIVER TRIPLE DIFF 24-LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標準包裝:1,000 系列:- 應用:驅動器 輸出類型:差分 電路數:3 -3db帶寬:350MHz 轉換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應商設備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
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