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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TLV320ADC3101 датащи(PDF) 6 Page - Texas Instruments |
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TLV320ADC3101 датащи(HTML) 6 Page - Texas Instruments |
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6 / 92 page  TLV320ADC3101 SLAS553B – NOVEMBER 2008 – REVISED AUGUST 2015 www.ti.com 8.4 Thermal Information TLV320ADC3101 THERMAL METRIC(1) RGE (VQFN) UNIT 24 PINS RθJA Junction-to-ambient thermal resistance 33.9 °C/W RθJC(top) Junction-to-case (top) thermal resistance 34.1 °C/W RθJB Junction-to-board thermal resistance 11.5 °C/W ψJT Junction-to-top characterization parameter 0.4 °C/W ψJB Junction-to-board characterization parameter 11.5 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 3.2 °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. 8.5 Electrical Characteristics At 25°C, AVDD = 3.3 V, IOVDD = 1.8 V, DVDD = 1.8 V, fS = 48-kHz, 16-bit audio data (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT AUDIO ADC Input signal level (0-dB) Single-ended input 0.707 Vrms Input common-mode voltage Single-ended input 1.35 Vrms Signal-to-noise ratio, fS = 48 kHz, 0-dB PGA gain, IN1 inputs selected SNR 80 92 dB A-weighted(1) (2) and AC-shorted to ground Dynamic range, fS = 48 kHz, 1-kHz –60-dB full-scale input 92 dB A-weighted(1) (2) applied at IN1 inputs, 0-dB PGA gain –90 –75 dB fS = 48 kHz, 1-kHz –2-dB full-scale input applied THD Total harmonic distortion at IN1 inputs, 0-dB PGA gain 0.003% 0.017% 234 Hz, 100 mVPP on AVDD, single-ended input 46 PSRR Power supply rejection ratio dB 234 Hz, 100 mVPP on AVDD, differential input 68 ADC channel separation 1 kHz, –2 dB IN1L to IN1R –73 dB ADC gain error 1 kHz input, 0-dB PGA gain 0.7 dB ADC programmable-gain 1-kHz input tone, RSOURCE < 50 Ω 40 dB amplifier maximum gain ADC programmable-gain 0.502 dB amplifier step size IN1 inputs, routed to single ADC 35 Input mix attenuation = 0 dB IN2 inputs, input mix attenuation = 0 dB 35 Input resistance k Ω IN1 inputs, input mix attenuation = –6 dB 62.5 IN2 inputs, input mix attenuation = –6 dB 62.5 Input capacitance 10 pF Input level control minimum 0 dB attenuation setting Input level control maximum 6 dB attenuation setting Input level control attenuation 6 dB step size (1) Ratio of output level with 1-kHz full-scale sine-wave input, to the output level with the inputs short-circuited, measured A-weighted over a 20-Hz to 20-kHz bandwidth using an audio analyzer. (2) All performance measurements done with 20-kHz low-pass filter and, where noted, A-weighted filter. Failure to use such a filter may result in higher THD and lower SNR and dynamic range readings than shown in the Electrical Characteristics. The low-pass filter removes out-of-band noise, which, although not audible, may affect dynamic specification values. 6 Submit Documentation Feedback Copyright © 2008–2015, Texas Instruments Incorporated Product Folder Links: TLV320ADC3101 |
Аналогичный номер детали - TLV320ADC3101 |
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Аналогичное описание - TLV320ADC3101 |
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