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CP2114-B01-GM Datasheet(PDF) 9 Page - Silicon Laboratories |
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CP2114-B01-GM Datasheet(HTML) 9 Page - Silicon Laboratories |
9 / 44 page CP2114 Rev. 1.1 9 Table 10. Analog Output/Input Characteristics (CS42L55 daughtercard) 25 °C, bus-powered, USB synchronization mode: asynchronous, digital audio interface mode: I 2S, DAC/ADC gains set to 0 dB, test signal for analog output: uncompressed WAV file, full-scale sine wave at 997 Hz, measurement bandwidth 20 Hz to 20 kHz Additional parameters that apply to this table are as follows: VA = VCP = VLDO = 2.5 V Internal oscillator mode Parameter Test Condition Min Typ Max Unit Analog Output (Line Output) THD + Noise 0 dB input –20 dB input –60 dB input — — — –80 –91 –91 — — — dB dB dB Dynamic Range A-weighted — 92 — dB Noise Level Output muted — –112 — dB Frequency response 20 Hz – 20 kHz — +0.03, –0.07 —dB Analog Input THD + Noise –1 dB input –20 dB input –60 dB input — — — –85 –87 –87 — — — dB dB dB Dynamic Range A-weighted — 90 — dB Noise Level Analog input locally muted — 0* — dB *Note: When analog input is locally muted, the CP2114 transmits sample values of 0 to the host. Table 11. Analog Output Characteristics (WM8523 daughtercard) 25 °C, bus-powered, USB synchronization mode: asynchronous, digital audio interface mode: I 2S, DAC/ADC gains set to 0 dB, test signal for analog output: uncompressed WAV file, full-scale sine wave at 997 Hz, measurement bandwidth 20 Hz to 20 kHz Additional parameters that apply to this table are as follows: LINEVDD = AVDD = 3.3 V Internal oscillator mode External headphone amplifier disconnected, no lowpass filter on LINEVOUTL/LINEVOUTR Parameter Test Condition Min Typ Max Unit THD + Noise 0 dB FS input –20 dB FS input –60 dB FS input — — — –83 –91 –91 — — — dB dB dB Dynamic Range A-weighted — 94 — dB Noise Level Output muted — –99 — dB Frequency response 20 Hz – 20 kHz — +0.04, –0.05 —dB |
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