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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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PCM1721 데이터시트(PDF) 2 Page - Burr-Brown (TI) |
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PCM1721 데이터시트(HTML) 2 Page - Burr-Brown (TI) |
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2 / 16 page  ® 2 PCM1721 SPECIFICATIONS All specifications at +25 °C, +V CC = +VDD = +5V, fS = 44.1kHz, and 16-bit input data, SYSCLK = 384fS, unless otherwise noted. PCM1721 PARAMETER CONDITIONS MIN TYP MAX UNITS RESOLUTION 16 24 Bits DATA FORMAT Audio Data Format Standard/I2S Data Bit Length 16/20/24 Selectable Sampling Frequency (fS) Standard fS 32 44.1 48 kHz One-half fS 16 22.05 24 kHz Double fS 64 88.2 96 kHz PLL PERFORMANCE Master Clock Input Frequency 27 MHz Generated Sysclk Frequency 256fS/384fS Generated Sysclk Jitter fM = 27MHz ±250 ps Generated Sysclk Transient(1) fM = 27MHz 20 ms Generated Sysclk Duty Cycle fM = 27MHz, CL = 15pF 40 50 60 % DIGITAL INPUT/OUTPUT LOGIC LEVEL TTL DYNAMIC PERFORMANCE(2) THD+N at fS (0dB) fs = 44.1kHz –89 –80 dB fs = 96kHz –87 dB THD+N at –60dB fs = 44.1kHz –31 dB fs = 96kHz –29 dB Dynamic Range (EIAJ Method) fs = 44.1kHz 90 94 dB fs = 96kHz 91 dB Signal-to-Noise Ratio(3) fs = 44.1kHz 90 94 dB fs = 96kHz 92 dB Channel Separation fs = 44.1kHz 88 92 dB DC ACCURACY Gain Error ±1.0 ±5.0 % of FSR Gain Mismatch, Channel-to-Channel ±1.0 ±5.0 % of FSR Bipolar Zero Error VOUT = VCC/2 at BPZ ±30 mV ANALOG OUTPUT Output Voltage Full Scale (–0dB) 0.62 x VCC Vp-p Center Voltage VCC/2 VDC Load Impedance AC Load 5 k Ω DIGITAL FILTER PERFORMANCE Passband 0.445 fS Stopband 0.555 fS Passband Ripple ±0.17 dB Stopband Attenuation –35 dB Delay Time 11.125/fS sec De-emphasis Error –0.2 +0.55 dB INTERNAL ANALOG FILTER –3dB Bandwidth 100 kHz Passband Response f = 20kHz –0.16 dB POWER SUPPLY REQUIREMENTS Voltage Range VCC = VDD = VCP 4.5 5 5.5 VDC Supply Current: ICC + IDD + ICP fS = 44.1kHz 36 43 mA ICC + IDD + ICP fS = 96kHz 49 58 mA TEMPERATURE RANGE Operation 0 +70 °C Storage –55 +100 °C NOTES: (1) Sysclk transient is the maximum frequency lock time when the PLL frequency is changed. (2) Dynamic performance specs are tested with 20kHz low pass filter and THD+N specs are tested with 30kHz LPF, 400Hz HPF, Average-Mode. (3) SNR is tested at Infinite Zero Detection off. The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN product for use in life support devices and/or systems. |
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