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AK4711EN Datasheet(PDF) 8 Page - Asahi Kasei Microsystems |
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AK4711EN Datasheet(HTML) 8 Page - Asahi Kasei Microsystems |
8 / 34 page [AK4711] Rev. 0.4 2011/07 - 8 - ANALOG CHARACTERISTICS (AUDIO) (Ta=25 °C; VP=12V, VD1=VD2=VVD=HDVVD= 3.3V; Signal Frequency=1kHz; Measurement frequency=20Hz ∼ 20kHz; RL ≥4.5kΩ; 0dB=2Vrms output; Volume =0dB, unless otherwise specified) Parameter min typ max Units Analog Input: (AINL+/AINL-/AINR-/AINR+ pins) Analog Input Characteristics Input Voltage (AIN+) − (AIN−) (Note 7) 2.0 Vrms Input Resistance (AINL+, AINR+ pins) 85 120 k Ω Input Resistance (AINL-, AINR- pins) 85 120 - k Ω Stereo/Mono Output: (TVOUTL/TVOUTR pins) (Note 8) Analog Output Characteristics Volume Step Width TBD 3.0 TBD dB THD+N (at 2Vrms output, Note 10,Note 12) −92 TBD dB Dynamic Rang ( −60dB Output, A-weighted, Note 10) TBD 96 dB S/N (A-weighted, Note 10, Note 14) TBD 96 dB Interchannel Isolation (Note 10, Note 11) TBD 90 dB Interchannel Gain Mismatch (Note 10, Note 11) -0.5 0 +0.5 dB DC offset (Note 13) -5 0 +5 mV Gain Drift - 200 - ppm/ °C Load Resistance TVOUTL/R 4.5 k Ω Load Capacitance TVOUTL/R 20 pF Output Voltage (Note 9) 1.8 2 2.2 Vrms Power Supply Rejection (PSR) (Note 15) - 50 dB Note 7. f = 1kHz, THD+N < -80dB, gain = 0dB(Volume=0dB) Note 8. Measured by Audio Precision System Two Cascade. Note 9. The output level of the internal AMP with volume should be less than 2Vrms. Note 10. Analog In to TVOUT. Path : AINL+/ − → TVOUTL, AINR+/− → TVOUTR, Volume=0dB. At 2Vrms single input, TDH+N is -91dB (typ), on path AINL+ → TVOUTL, AINR+ → TVOUTR, Volume=0dB Note 11. Between TVOUTL and TVOUTR with analog inputs AINL+/ −, AINL/R+/−, 1kHz/0dB. Inter-channel crosstalk is -80dB (typ), at 20Hz~20kHz other than 1kHz. Note 12. -79dB (typ) referred to 0.5Vrms output level at Volume=+24dB : path = AIN+/- → TVOUT. Note 13. Analog In to TVOUT. Volume=0dB Path : AINL+/ − → TVOUTL, AINR+/− → TVOUTR Note 14. 82dB (typ) referred to 0.5Vrms output level at Volume=+24dB 84dB (typ), referred to 0.5Vrm output level at Volume = +21dB. : path = AIN+/- → TVOUT. Note 15. The PSR is applied to VD1 and VD2 with 1kHz, 100mV. |
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