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CXD2724AQ-3 Datasheet(PDF) 8 Page - Sony Corporation |
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CXD2724AQ-3 Datasheet(HTML) 8 Page - Sony Corporation |
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8 / 65 page  – 8 – CXD2724AQ-3 Analog Characteristics (AVD0 to 6 = VDD0 to 2 = AVDX = 5.0V, AVS0 to 6 = VSS0 to 7 = AVSX = 0.0V, fs = 44.1kHz, Ta = 25°C) When Pro Logic mode is on, the input signal level while measuring the center (C) and surround (S) channels should be –3dB smaller than the input level while measuring the left (L) and right (R) channels. Note that the C channel is input in-phase to the L channel, and the S channel is input at reversed phase to the R channel. The input level is the same for all measurement items when Pro Logic mode is off. 1. ADC + DAC Connection Total Characteristics In addition to the ADC and DAC, the total characteristics include the prefilter with built-in operational amplifier, built-in post filter, and trim volume. Use the analog I/O circuits in the Application Circuit for the measurement circuit. 1-1. When Pro Logic mode is on Unless otherwise specified, the measurement conditions are as given below. • VIN (L, R) = 300mVrms, VIN (C, S) = 212mVrms (= 0dB) • fIN = 1kHz ∗1 When V IN = 200mVrms (= –3.52dB), the S/N ratio is 3.52dB smaller than the values noted in the table above. ∗2 V IN (L, R) = 2.0Vrms, VIN (C, S) = 1.414Vrms ∗3 V IN (L, R) = 300mVrms, VIN (C, S) = 212mVrms ∗4 V IN (L, R) = 200mVrms, VIN (C, S) = 141mVrms ∗5 When the L and R channel gain deviation is 0.1dB or less for the ADC front-end prefilter output. ∗6 Includes the amplification (L/Rch...5.27dB, C/Sch...13.72dB) of the external amplifier. ∗7 The trim volume is set to 0dB. L, R C, S L, R C S L, R C, S L, R C, S L, R C, S L, R C S L, R C, S (all) (all) L, R C, S∗7 70 65 25 25 250 80 72 60 56 64 0.04 0.007 0.015 0.03 0.02 0.04 0.12 0.18 0.04 16.5 60 40 280 ±0.2 36 91 3.9 –13.2 1.00 1.00 310 dB % dB dB Vrms dB mA dB S/N ratio∗1 THD + N Head room Matrix rejection Output level Level difference between channels Current consumption Power supply rejection ratio∗6 CCIR/ARM filter 10Hz to 500kHz 10Hz to 20kHz VIN = 16.5dB∗2 10Hz to 20kHz VIN = 0dB∗3 10Hz to 20kHz VIN = –3.52dB∗4 10Hz to 500kHz 10Hz to 20kHz, THD + N = 1% ∗5 Analog system (including oscillator circuit) Digital system 1mVrms, 100Hz sine wave Channels Min. Typ. Max. Unit Item Measurement conditions |
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Similar Description - CXD2724AQ-3 |
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