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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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PCM1760P 데이터시트(PDF) 2 Page - Texas Instruments |
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PCM1760P 데이터시트(HTML) 2 Page - Texas Instruments |
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2 / 17 page  ® PCM1760P/U DF1760P/U 2 SPECIFICATIONS ELECTRICAL At T A = +25°C, ±VCC, ±Vdd = +5V, +VDD = +5V, fS = 48kHz and ext. components = ±2% unless otherwise noted. PCM1760/DF1760 PARAMETER CONDITIONS MIN TYP MAX UNITS RESOLUTION 20 Bits ANALOG INPUT Input Range RIN1 = 2.2kΩ±2.5 Vp-p Input Impedance RIN1 = 2.2kΩ RIN1 Ω SAMPLING FREQUENCY Cover Range of fs Integrator Constants: Application(1) 30 48 50 kHz ACCURACY Gain Error ±0.5 ±1.0 dB Gain Mismatch ±0.5 dB Bipolar Zero Error VIN = 0 at 20s After Power-On ±0.4 % FSR(2) Gain Drift 0 °C to +70°C ±100 ppmfs/ °C Bipolar Zero Drift 0 °C to +70°C ±20 ppmfs/ °C DYNAMIC CHARACTERISTICS(4) THD+N/(0dBFS) P, U fIN = 1kHz –92 –90 dB P-L, U-L –90 –88 dB THD+N/(–20dBFS) P, U fIN = 1kHz –76 –70 dB P-L, U-L –76 –70 dB THD+N/(–60dBFS) P, U fIN = 1kHz –44 –42 dB P-L, U-L –44 –42 dB Dynamic Range P, U fIN = 1kHz, VIN = –60dBFS, A Filter 104 108 dB P-L, U-L 104 108 dB SNR P, U VIN = 0, A Filter 108 110 dB P-L, U-L 106 110 dB Frequency Response fIN = 20kHz ±0.1 dB Channel Separation fIN = 1kHz, A Filter 94 98 dB DIGITAL FILTER Over Sample Rate 64 fs Ripple in Band 0 - 0.04535fs ±0.0001 dB Stopband Attenuation –1 0.5465fs - 63.4535fs –94 dB Stopband Attenuation –2 0.5465fs - 3.4535fs –100 dB LOGIC INPUTS AND OUTPUTS Logic Family Input TTL Level Compatible CMOS Frequency (System Clock 1) 256fs 12.288 MHz Frequency (System Clock 2) 384fs 18.432 MHz Duty Cycle (System Clock 1) 256fs 40 50 60 % Duty Cycle (System Clock 2) 384fs 45 50 55 % Data Clock Input 32 48 64 fs Logic Family Output CMOS Data Clock Output 64 fs Data Coding Two's Complement Data Bit Length 16 20 Bits Data Format Selectable Output Data Delay fs = 48kHz 1.5 ms POWER SUPPLY REQUIREMENTS Supply Voltage ±V CC PCM1760 ±4.75 ±5.0 ±5.25 V ±V dd PCM1760 ±4.75 ±5.0 ±5.25 V +VDD DF1760 4.75 5.0 5.25 V Supply Current +ICC PCM1760 24 36 mA –ICC PCM1760 –30 –45 mA +Idd PCM1760 12 18 mA –IDD PCM1760 –8 –12 mA +IDD –1 DF1760, Normal Mode 40 55 mA +IDD –2 DF1760, Power-Down Mode 4 6.6 mA Power Consumption PCM1760 370 500 mW DF1760, Normal Mode 200 275 mW DF1760, Power-Down Mode 20 33 mW TEMPERATURE RANGE Operating PCM1760/DF1760 0 +25 +70 °C Storage PCM1760/DF1760 –50 +125 °C NOTES: (1) Integrator Constants are determined by the external components shown in the block diagram. (2) FSR means Full Scale Range, digital output code is from 90000H to 70000H, FSR = 5.0V. (3) Use 20-bit DAC, 20kHz LPF, 400Hz HPF, average response. (4) Average response using a 20-bit reconstruction DAC with 20kHz low-pass filter and 400Hz high-pass filter. |
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