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MAX4121

発売前

330MHz Buffered Video Switches Crosspoint Building Blocks

データシート (Rev. 0) 製品セレクション・テーブル

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製品情報

-3dB Bandwidth of 330MHz
0.1dB Gain Flatness of 150MHz
700V/µs Slew Rate
0.01°/0.01% Differential Phase/Gain
Low Power: 5.5mA Max
-92dB Crosstalk and -78dB Off Isolation at 30MHz
High-Z Outputs when Disabled
3pF Input Capacitance
Ultra-Low Switching Glitch
On-Board Control Logic

The MAX4111/MAX4121/MAX4221 wideband video switches are optimized for high-definition, broadcast-quality, composite (HDTV, NTSC, PAL, SECAM, and RGB) video switching arrays. Their open-loop buffer amplifiers offer 0.1dB gain flatness to 150MHz. They operate from ±5V supplies and feature differential phase and gain error of only 0.01°/0.01%, respectively. The ultra-low switching glitch (13mV) is positive to avoid confusion with any sync pulse.

Ideal as building blocks in large arrays, these devices feature a constant, high input impedance and a disable function that puts the outputs into a high-impedance state and reduces the operating current to only 250µA. The open-loop architecture allows the outputs to drive capacitive loads without oscillation. Other key features include -92dB crosstalk and -78dB isolation (MAX4121).

The MAX4111/MAX4121/MAX4221 are offered in narrow plastic DIP and SO packages. See the table below for key features:

Part	Description	Pins
MAX4111	SPST, single-input, single-output switch	8
MAX4121	SPDT, 2-input, single-output switch	8
MAX4221	Dual, SPDT, 2-input, single-output switch	16