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CS4461-CZZR Arkusz danych(PDF) 6 Page - Cirrus Logic |
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CS4461-CZZR Arkusz danych(HTML) 6 Page - Cirrus Logic |
6 / 11 page 6 DS650F1 CS4461 2. PIN DESCRIPTIONS Pin Name # Pin Descriprion VDP 6 8 13 14 Digital Logic Power (Input) – Digital core and input/output power supply. Nominally +3.3 V or +5.0 V. Supply decoupling should placed as close as possible to pin 6. VA 19 Analog Power (Input) - Analog power supply. Nominally +5.0 V. GND 2 7 10 12 18 20 21 Ground (Input) - Ground reference for both analog and digital. PSR_RESET 1 Reset (Input) - When PSR_RESET is low, the CS4461 enters a low power mode and all internal states are reset. On initial power up, PSR_RESET must be held low until the power supply is stable, and all input clocks are stable in frequency and phase. VQ 22 Quiescent Voltage (Output) - Filter connection for the internal quiescent reference voltage. REFGND 23 Reference Ground (Input) - Ground reference for the internal sampling circuits. FILT+ 24 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuit. AIN+ AIN- 16 17 Differential PSR Analog Input (Input) - Signals are presented differentially to the delta-sigma modula- tor via the AIN+/- pins. PSR_MCLK 5 Master Clock (Input) - Clock source for the delta-sigma modulator and output data. PSR_SYNC 3 Synchronization Data Output (Output) - Used to synchronize the serial data in the PWM modulator. PSR_DATA 4 PSR Serial Data Output (Output) - Power supply modulated and formatted serial data. PSR_EN 11 PSR Enable (Input) - A high to low transition on this pin will enable the PSR feedback circuit. OVERFLOW 15 Overflow (Output, open drain) - Indicates a modulator overflow condition. TEST 9 Test (Output) - This pin may toggle during normal operation and should be pulled low through a 47 k Ω resistor to GND in order to minimize noise. PSR_RESET FILT+ GND REFGND PSR_SYNC VQ PSR_DATA GND PSR_MCLK GND VDP VA GND GND VDP AIN- TEST AIN+ GND OVERFLOW PSR_EN VDP GND VDP 1 2 3 4 5 6 7 817 18 19 20 21 22 23 24 9 10 11 12 13 14 15 16 Top-Down View 24-pin TSSOP Package |
Podobny numer części - CS4461-CZZR |
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Podobny opis - CS4461-CZZR |
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