AD8146 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD8146
Manufacturer

ADI
ChipWorker Part#

CW430799378
Description

Triple Differential Driver for Wideband Video
Documentation

Datasheet

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AD8146 Specifications

Attribute	Attribute Value

Part Number	AD8146
Manufacturer	ADI
ChipWorker Part#	CW430799378
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
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.
**Applications**
* QXGA or 1080p video transmission
* KVM networking
* Video over unshielded twisted pair (UTP)
* Differential signal multiplexing
Data Sheet, Rev. 0, 5/07
### Features and Benefits
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)
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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
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