DEMO MANUAL DC393 LTC1564 FILTER BOARD Evaluation Board for LTC1564 Digitally Controlled Antialiasing Filter and 4-Bit P.G.A.
●This demonstration circuit allows the user to evaluate the LTC®1564 digitally controlled antialiasing filter. The cutoff frequency (fC) and passband gain are fully programmable while the shape of the lowpass response is fixed. Alatching digital interface stores fC and gain settings or itcan be bypassed for control directly from the pins through either the on-board toggle switches or using the optional connector to control the pins externally. The LTC1564operates from 2.7V to 10V total supply voltage (single orsplit supplies) and comes in a 16 pin surface mount SSOP.This board demonstrates proper layout, bypassing and optional buffering to achieve best performance. Applications include DSP antialiasing and reconstruction filtering,communications and instruments with high dynamic range,up to 20 bits, and sampling rates to 300+ kilosamples per second.
●Some key features of this demo circuit include:
■4-bit digitally controlled 8th order lowpass filter
■fC = 10kHz to 150kHz in 10kHz steps
■4-bit digitally controlled programmable gain amplifier
■G = 1 to 16 in 1V/V steps
■100dB attenuation at 2.5 • fC
■Rail-to-rail input and output range
■Miniature 16-Pin SSOP package
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LTC1564 、 2501-2 、 0805ZC104MAT1A 、 0805ZC105MAT1A 、 EMK325BJ106MN 、 112404 、 3801S-3G2 、 3801S-2G2 、 CCIJ230-G 、 CJ10-000M 、 CR10-103JM 、 CR10-221JM 、 76STC04 、 76STC02 、 LTC1564CGN |
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FILTER BOARD 、 Evaluation Board 、 digitally controlled antialiasing filter |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2017/12/05 |
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DC393 |
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365 KB |
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