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Series Information for AD8123ACPZ - Analog Devices


  • feature
    Compensates cables to 300 meters for wideband video Fast rise and fall times 4.9 ns with 2 V step at 150 meters of UTP cable 8.0 ns with 2 V step at 300 meters of UTP cable 55 dB peak gain at 100 MHz Two frequency response gain adjustment pins High frequency peaking adjustment (VPEAK) Broadband flat gain adjustment (VGAIN) Pole location adjustment pin (VPOLE) Compensates for variations between cables Can be optimized for either UTP or coaxial cable DC output offset adjust (VOFFSET) Low output offset voltage: 24 mV Compensates both RGB and YPbPr Two on-chip comparators with hysteresis Can be used for common-mode sync extraction Available in 40-lead, 6 mm u00d7 6 mm LFCSP



The AD8123 is a triple, high speed, differential receiver and equalizer that compensates for the transmission losses of UTP and coaxial cables up to 300 meters in length. Various gain stages are summed together to best approximate the inverse frequency response of the cable. Logic circuitry inside the AD8123 controls the gain functions of the individual stages so that the lowest noise can be achieved at short-to-medium cable lengths. This technique optimizes its performance for low noise, short- to-medium range applications, while at the same time provides the high gain bandwidth required for long cable equalization (up to 300 meters). Each channel features a high impedance differential input that is ideal for interfacing directly with the cable. The AD8123 has three control pins for optimal cable compensation, as well as an output offset adjust pin. Two voltage-controlled pins are used to compensate for different cable lengths; the VPEAK pin controls the amount of high frequency peaking and the VGAIN pin adjusts the broadband flat gain, which compensates for the low frequency flat cable loss. For added flexibility, an optional pole adjustment pin, VPOLE, allows movement of the pole locations, allowing for the compensation of different gauges and types of cable as well as variations between different cables and/or equalizers. The VOFFSET pin allows the dc voltage at the output to be adjusted, adding flexibility for dc-coupled systems. The AD8123 is available in a 6 mm × 6 mm, 40-lead LFCSP and is rated to operate over the extended temperature range of −40°C to +85°C. 06814-019 UXGA RESOLUTION IMAGE AFTER 300 METER CAT-5 CABLE AFTER AD8123. UXGA RESOLUTION IMAGE AFTER 300 METER CAT-5 CABLE BEFORE AD8123.


Video Processor Application:
Keyboard Video Mouse Digital Signage RGB HD & Security Video Video Projection & Distribution
Supply Voltage Min:
Supply Voltage Max:
IC Mounting:
TV / Video Case Style:
No. of Pins:
Product Range:
RoHS Phthalates Compliant:
MSL 3 - 168 hours
No SVHC (07-Jul-2017)

Alternate Descriptions

RS Components
Analog Devices, AD8123ACPZ
Newark Electronics
VIDEO, DIFFERENTIAL RECEIVER, LFCSP-40; Video Processor Application:Keyboard Video Mouse, Digital Signage, RGB, HD & Security Video, Video Projection & Distribution; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; IC Mounting:SMD RoHS Compliant: Yes
RS Components UK
Analog Devices, AD8123ACPZ
RS Components DE
Line Receiver differenzial AD8123ACPZ, 3-Kanal LFCSP VQ 40-Pin Stromversorgungs-Typ : Dual Versorgungsspannung bipolar typ. : ±4.5 → ±5.5V Eingangswiderstand max. : 3.7 (Differential) MΩ, 4.4 (Common Mode) MΩ Spannungsverstärkung max. : 1V/V Gleichtaktunterdrückung min. : -86dB Montage-Typ : SMD Versorgungsstrom max. : 1,1 μA Abmessungen : 6 x 6 x 0.95mm Länge : 6mm Betriebstemperatur max. : +85 °C Betriebstemperatur min. : –40 °C, Analog Devices
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Analog Devices, AD8123ACPZ
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Analog Devices, AD8123ACPZ