Datasheet for AD8122-EVALZ:
- Manufacturer Part Number : AD8122-EVALZ
- Manufacturer : AD
- Description : Triple Differential Receiver with 300m Adjustable Cable Equalization IC
- Series : AD8122
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Video Amplifiers & Analog Video Functions
- Function : CAT-5 Cable Equalizers
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : Evaluation Board
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : AD8122-EVALZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Compensates cables to 300 meters for wideband video
60 MHz Equalized BW @ 300 meters of UTP Cable
120 MHz Equalized BW @ 150 meters of UTP Cable - Fast time domain performance
70 nsec settling time to 1% with 300 meters of UTP cable
7 ns rise/fall times with 2 V step @ 300 meters of UTP cable - 3 frequency response gain adjustment pins
High frequency peaking adjustment (VPEAK)
Output lowpass filter cutoff adjustment (VFILTER)
Broadband flat gain adjustment (VGAIN)
- Selectable for UTP or coax compensation
- DC output offset adjust (VOFFSET)
- Low output offset voltage:
±4 mV @ G = 1 - 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 × 6 mm LFCSP
The AD8122 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. Each channel features a high impedance differential input that is ideal for interfacing directly with the cable.
The AD8122 has two control inputs for optimal cable compensation, one LPF control input, an input to select between UTP and coax cable, and an output offset adjust input. The cable compensation inputs are used to compensate for different cable lengths; the VPEAK input controls the amount of high frequency peaking and the VGAIN input adjusts the broadband flat gain, which compensates for the flat cable loss. The VFILTER input controls the cutoff frequency of output lowpass filters on each channel. Selection between UTP and coaxial cable compensation responses is determined by the binary COAX/UTPinput, which can be left floating in UTP applications. The VOFFSET pin allows the dc voltage at the output to be adjusted, which can be useful in dc-coupled systems.
For added flexibility, the gains of each channel can be set to x1 or x2 using the associated GAIN control pins.
The AD8122 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.
Applications
- Keyboard-video-mouse (KVM)
- Digital signage
- RGB video over UTP cables
- Professional video projection and distribution
- HD video
- Security video
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
