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Partname: | MAX3822U/D |
Description: | +3.3 V, 2.5 Gbps, quad limiting amplifier |
Manufacturer: | Maxim Integrated Products |
Package: | Dice |
Oper. temp.: | 0 to 85 |
Datasheet: | PDF (1.43M). Click here to download *) |
The MAX3822 quad limiting amplifier is ideal for multichannel systems with data rates up to 2.5Gbps. The MAX3822 operates from a single +3.3V supply, over temperatures ranging from 0C to +85C. A channelselect (CS) pin is provided to program single-, dual-, or quad-channel operation. The disabled channels are shut down to reduce power consumption. The output interface for all four channels is CML. The input can be driven from 20mVp-p to 1000mVp-p differentially. The threshold voltage control is common for all four channels and is programmable by an external resistor. Four separate power detectors are incorporated to monitor the received signal level for each channel. Individual TTL-compatible loss-of-power (LOP) indicators assert low if the channel signal input is below the programmed threshold. Typically 4dB LOP hysteresis (2dB optical) is provided to prevent chattering when the input signal level is close to the threshold. A general LOP indicator is also provided which asserts low if one or more of the four inputs is in the LOP condition. |
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