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SHC615

Wide-Bandwidth, DC RESTORATION CIRCUIT; ● PROPAGATION DELAY: 2.2ns\n● BANDWIDTH: OTA: 750MHz Comparator: 280MHz\n● LOW INPUT BIAS CURRENT: –0.3μA\n● SAMPLE/HOLD SWITCHING TRANSIENTS: +1/–7mV\n● SAMPLE/HOLD FEEDTHROUGH REJECTION: 100dB\n● CHARGE INJECTION: 40fC\n● HOLD COMMAND DELAY TIME: 3.8ns\n● TTL/CMOS HOLD CONTROL;

DESCRIPTION\nThe SHC615 is a complete subsystem for very fast and precise DC restoration, offset clamping, and low frequency hum suppression of wideband amplifiers or buffers. Designed to stabilize the performance of video signals, it can also be used as a sample/hold amplifier, high-speed integrator, or peak detector for nanosecond pulses. A wideband Operational Transconductance Amplifier (OTA) with a high-impedance cascode current source output and fast sampling comparator set a new standard for high-speed applications. Both can be used as stand-alone circuits or combined to form a more complex signal process ing stage. The self-biased, bipolar OTA can be viewed as an ideal voltage-controlled current source and is optimized for low input bias current. The sampling comparator has two identical high-impedance inputs and a current source output optimized for low output bias current and offset voltage; it can be controlled by a TTL-compatible switching stage within a few nanoseconds. The transconductance of the OTA and sampling comparator can be adjusted by an external resistor, allowing bandwidth, quiescent current, and gain tradeoffs to be optimized.\nThe SHC615 is available in SO-14 surface mount and 14-pin plastic DIPs, and is specified over the extended temperature range of –40°C to +85°C.FEATURES\n● PROPAGATION DELAY: 2.2ns\n● BANDWIDTH: OTA: 750MHz Comparator: 280MHz\n● LOW INPUT BIAS CURRENT: –0.3μA\n● SAMPLE/HOLD SWITCHING TRANSIENTS: +1/–7mV\n● SAMPLE/HOLD FEEDTHROUGH REJECTION: 100dB\n● CHARGE INJECTION: 40fC\n● HOLD COMMAND DELAY TIME: 3.8ns\n● TTL/CMOS HOLD CONTROLAPPLICATIONS\n● BROADCAST/HDTV EQUIPMENT\n● TELECOMMUNICATIONS EQUIPMENT\n● HIGH-SPEED DATA ACQUISITION\n● CAD MONITORS/CCD IMAGE PROCESSING\n● NANO SECOND PULSE INTEGRATOR/PEAK DETECTORS\n● PULSE CODE MODULATOR/DEMODULATOR\n● COMPLETE VIDEO DC LEVEL RESTORATION\n● SAMPLE/HOLD AMPLIFIER

SHC615

Wide-Bandwidth, DC RESTORATION CIRCUIT

SHC615

Wide-Bandwidth, DC RESTORATION CIRCUIT

SHC615AP

Wide-Bandwidth, DC RESTORATION CIRCUIT

SHC615AU

Wide-Bandwidth, DC RESTORATION CIRCUIT

SHC615AU/2K5

Wide-Bandwidth, DC RESTORATION CIRCUIT

SHC615AUSLASH2K5

Wide-Bandwidth, DC RESTORATION CIRCUIT