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TSH122 Datasheet(PDF) 1 Page - STMicroelectronics |
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TSH122 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 16 page  August 2008 Rev 1 1/16 16 TSH122 Ultra low power video buffer/filter with power-down Features ■ Very low consumption: 1.7 mA ■ Ultra low power-down mode: 4 nA typ., 500 nA max. ■ Internal 6th order reconstruction filter ■ Internal gain of 6 dB ■ Rail-to-rail output buffer for 75 Ω video line ■ Excellent video performance – Differential gain 0.5% – Differential phase 0.10° – Group delay of 10 ns ■ SAG correction ■ Bottom of video signal close to 0 V ■ Tested with 2.5 V and 3.3 V single supply ■ Data min. and max. are physically tested and guaranteed during production (consumption, gain, filtering, and other parameters are guaranteed) Applications ■ Mobile phones ■ Digital still camera ■ Digital video camera ■ Portable DVD players Description The TSH122 is a video buffer that uses a voltage feedback amplifier, with an internal gain of 6 dB, an output rail-to-rail, an internal input DC-shift and a SAG correction. A power-down function allows switching to a sleep mode with an ultra-low consumption. The TSH122 features a 6th-order internal reconstruction filter to attenuate the parasitic frequency of 27 MHz from the clock of the video DAC. The TSH122 operates from 2.25 to 5 V single power supplies and is tested at 2.5 V and 3.3 V. The TSH122 is a single operator available in a tiny SC70 plastic package for space saving. 1 2 4 3 6 5 OUT SAG IN GND Vcc EN (enable) Top view 1 2 4 3 6 5 OUT SAG IN GND Vcc EN (enable) Top view SC70 www.st.com |
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