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PCM1742E/2K датащи(PDF) 2 Page - Texas Instruments |
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PCM1742E/2K датащи(HTML) 2 Page - Texas Instruments |
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2 / 40 page ![]() www.ti.com ABSOLUTE MAXIMUM RATINGS (1) RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS PCM1742 SBAS176A – DECEMBER 2000 – REVISED APRIL 2005 over operating free-air temperature range (unless otherwise noted) Power supply voltage, VDD –0.3 V to 4 V Power supply voltage, VCC –0.3 V to 6.5 V Supply voltage difference, VCC, VDD VCC – VDD < 3 V Ground voltage differences ±0.1 V Digital input voltage –0.3 V to 6.5 V Input current (except power supply pins) ±10 mA Ambient temperature under bias –40°C to 125°C Storage temperature, Tstg –55°C to 150°C Junction temperature, TJ 150°C Lead temperature (soldering) 260°C, 5 s Package temperature (IR reflow, peak) 235°C (1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. over operating free-air temperature range MIN NOM MAX UNIT Digital supply voltage, VDD 3 3.3 3.6 V Analog supply voltage, VCC 4.5 5 5.5 V Digital input logic family TTL System clock 8.192 36.864 MHz Digital input clock frequency Sampling clock 32 192 kHz Analog output load resistance 5 k Ω Analog output load capacitance 50 pF Digital output load capacitance 20 pF Operating free-air temperature, TA –25 85 °C All specifications at T A = 25°C, VCC = 5 V, VDD = 3.3 V, fS = 44.1 kHz, system clock = 384 fS, and 24-bit data (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Resolution 24 Bits DATA FORMAT Audio data interface formats Standard, I2S, left-justified Audio data bit length 16-, 18-, 20-, 24-bit selectable Audio data format MSB-first, binary 2s complement fS Sampling frequency 5 200 kHz System clock frequency 128, 192, 256, 384, 512, 768 fS DIGITAL INPUT/OUTPUT Logic family TTL compatible Input Logic Level VIH High-level input votlage 2 Vdc VIL Low-level input voltage 0.8 Vdc 2 |
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