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AD1888JCPZ Folha de dados(PDF) 3 Page - Analog Devices |
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AD1888JCPZ Folha de dados(HTML) 3 Page - Analog Devices |
3 / 32 page AD1888 Rev. A | Page 3 of 32 SPECIFICATIONS TEST CONDITIONS Standard Test Conditions Unless otherwise noted: • Temperature 25°C • Digital Supply (DVDD) 3.3 V • Analog Supply (AVDD) 5.0 V • Sample Rate (fS) 48 kHz • Input Signal 1 kHz • Analog Output Pass Band 20 Hz to 20 kHz DAC Test Conditions • Calibrated • −3 dB attenuation relative to full scale • 0 dB input • 10 kΩ output load LINE_OUT, MONO_OUT, CENTER_OUT, and LFE_OUT • 32 Ω output load (HP_OUT) ADC Test Conditions • Calibrated • 0 dB gain • Input −3.0 dB relative to full scale Table 1. Parameter Min Typ Max Unit ANALOG INPUT Input Voltage (RMS Values Assume Sine Wave Input) LINE_IN, CD, AUX, PHONE_IN 1 V rms 2.83 V p-p MIC_IN with 30 dB Preamp 0.032 V rms 0.089 V p-p MIC_IN with 20 dB Preamp 0.1 V rms 0.283 V p-p MIC_IN with 10 dB Preamp 0.316 V rms 0.894 V p-p MIC_IN with 0 dB Gain 1 V rms 2.83 V p-p Input Impedance1 20 KΩ Input Capacitance1 5 7.5 pF MASTER VOLUME Step Size (Line Out, Mono Out, Surround Out, Center, LFE) 1.5 dB Output Attenuation Range Span1 46.5 dB Mute Attenuation of 0 dB Fundamental1 80 dB PROGRAMMABLE GAIN AMPLIFIER—ADC Step Size (0 dB to 22.5 dB) 1.5 dB PGA Gain Range Span 22.5 dB ANALOG MIXER—INPUT GAIN/AMPLIFIERS/ATTENUATORS Signal-to-Noise Ratio (SNR) CD to LINE_OUT 90 dB LINE, AUX, or PHONE to LINE_OUT1 90 dB MIC1 or MIC2 (Note: MIC Gain of 0 dB) to LINE_OUT1 90 dB Step Size All Mixer Inputs 1.5 dB Input Gain/Attenuation Range: All Mixer Inputs 46.5 dB DIGITAL DECIMATION AND INTERPOLATION FILTERS1 Pass Band 0 0.4 × fS Hz Pass-Band Ripple ±0.09 dB Transition Band 0.4 × fS 0.6 × fS Hz Stop Band 0.6 × fS ∞ Hz Stop-Band Rejection −74 dB Group Delay 16/fS sec Group Delay Variation over Pass Band 0 μs |
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