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CS4237B Scheda tecnica(PDF) 6 Page - Cirrus Logic |
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CS4237B Scheda tecnica(HTML) 6 Page - Cirrus Logic |
6 / 114 page DIGITAL CHARACTERISTICS (TA = 25°C; VA, VDF1-VDF4 = 5V, VD1 = 5V/3V; AGND, DGND1, SGND1-SGND4 = 0V.) Parameter Symbol Min Max Units High-level Input Voltage Digital Inputs XTALI VIH 2.0 VD-1.0 - - V V Low-level Input Voltage VIL -0.8 V High-level Output Voltage: ISA Bus Pins (except DRQA) I0 = -24.0 mA DRQA I0 = -24.0 mA IOCHRDY, SDA/XD0 (Note 6) All Others I0 = -1.0 mA VOH 2.4 2.4 2.4 2.4 VD1 VDF VDF VDF V V V V Low-level Output Voltage: ISA Bus Pins I0 = 24.0 mA I0 = 18.0 mA IOCHRDY I0 = 8.0 mA All Others I0 = 4.0 mA VOL - - - - 0.55 0.4 0.4 0.4 V V V V Input Leakage Current (Digital Inputs) -10 10 µA Output Leakage Current (High-Z Digital Outputs) -10 10 µA Note 6. Open Collector pins. High level output voltage dependent on external pull up (required) used and number of peripherals (gates) attached. DIGITAL FILTER CHARACTERISTICS (Note 1) Parameter Symbol Min Typ Max Units Passband 0 - 0.40xFs Hz Frequency Response -1.0 - +0.5 dB Passband Ripple (0-0.40xFs) - - ±0.1 dB Transition Band 0.40xFs - 0.60xFs Hz Stop Band 0.60xFs - - Hz Stop Band Rejection 74 - - dB Group Delay 8- and 16-bit formats Stereo ADPCM format Mono ADPCM format - - - - - - 10/Fs 14/Fs 18/Fs s s s Group Delay Variation vs. Frequency ADCs DACs - - - - 0.0 0.1/Fs µs µs DS213PP4 CS4237B 6 |
Codice articolo simile - CS4237B |
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Descrizione simile - CS4237B |
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