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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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PCM2702E/2K bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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PCM2702E/2K bảng dữ liệu(HTML) 3 Page - Texas Instruments |
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3 / 17 page  PCM2702 3 SBAS142A www.ti.com ELECTRICAL CHARACTERISTICS At TA = +25°C, VCC = VCCL = VCCR = VCCP = 5.0V, VDD = VDDC = 3.3V, fS = 44.1MHz, signal frequency = 1kHz and 16-bit data, unless otherwise specified. PCM2702E PARAMETER CONDITIONS MIN TYP MAX UNITS RESOLUTION 16 Bits HOST INTERFACE Supports USB revision 1.0, Full Speed DIGITAL FORMAT Audio Data Format USB ISOCHRONOUS OUT Audio Data Bit Length 16 Audio Data Channel 1, 2 Sampling Frequency (fS) 32, 44.1, 48 DIGITAL INPUT/OUTPUT Input Logic Level VIH(1) 2.0 VDC VIL(1) 0.8 VDC VIH(2) 0.7 VDD VDC VIL(2) 0.7 VDD VDC Input Logic Current IIH(1) VIN = VDD +65 +100 µA IIL(1) VIN = 0V ±10 µA IIH(2) VIN = VDD ±10 µA IIL(2) VIN = 0V ±10 µA Output Logic Level VOH(3) IOH = –1mA 2.8 VDC VOL(3) IOL = +1mA 0.5 VDC DYNAMIC PERFORMANCE(4) THD+N at VOUT = 0dB 0.002 0.005 % THD+N at VOUT = –60dB 1.2 % Dynamic Range EIAJ, A-Weighted 96 100 dB SIgnal-to-Noise Ratio EIAJ, A-Weighted 100 105 dB Channel Seperation 98 103 dB DC ACCURACY Gain Error ±1.0 ±3.0 % of FSR Gain Mismatch, Channel-to-Channel ±1.0 ±3.0 % of FSR Bipolar Zero Error VOUT = 0.5 VCC at BPZ ±30 ±60 mV ANALOG OUTPUT Output Voltage Full-Scale(–0dB) 62% of VCC VPP Center Voltage 50% of VCC VDC Load Impedance AC-Load 5 k Ω DIGITAL FILTER PERFORMANCE Passband ±0.002dB 0.454fS Passband –3dB 0.490fS Stopband 0.546fS Passband Ripple ±0.002 dB Stopband Attenuation Stopband = 0.546fS –75 dB Stopband Attenuation Stopband = 0.567fS –82 dB Delay Time 34/fS 11 s ANALOG FILTER PERFORMANCE Frequency Response at 20kHz ≠0.02 dB POWER SUPPLY REQUIREMENTS Voltage Range VDD, VDDC +3.0 +3.3 +3.6 VDC VCC, VCCL, VCCR, VCCP +4.5 +5.0 +5.5 VDC Supply Current IDD VDD = VDDC = 3.3V 22 30 mA ICC VCC = VCCL = VCCR = VCCP = 5.0V 18 25 mA Power Dissipation VDD = VDDC = 3.3V, and VCC = VCCL = VCCR = VCCP = 5.0V 165 225 mW TEMPERATURE RANGE Operation Temperature 070 °C Storage Temperature –55 +125 °C Thermal Resistance, θ JA SSOP-28 100 °C/W NOTES: (1) Pins 8, 13, 14, 15, 16: VBUS, TEST3 TEST2 TEST1, TEST0. (2) Pin1: XTI. (3) Pins 10, 11, 12, 28: PLYBCK, SSPND, ZERO, XTO. (4) The dynamic performance is based upon ideal host signal quality, and may vary according to the system. Dynamic performance specifications are tested using a Shibasoku #725 THD Meter with 400Hz HPF, 30kHz LPF, Average Mode, and 20kHz Bandwidth limiting. The load connected to the analog output is 5k Ω, or larger, via AC coupling. |
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