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BA7725FS Arkusz danych(PDF) 5 Page - Rohm |
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BA7725FS Arkusz danych(HTML) 5 Page - Rohm |
5 / 8 page 5 Multimedia ICs BA7725S / BA7725FS •Electrical characteristics (unless otherwise noted, Ta = 25°C, Vcc = 9V) Parameter Symbol Min. Typ. Max. Unit Conditions Supply current ICC 4.3 5.7 7.6 mA No input Line through output level VOLL – 9.0 – 8.0 – 7.0 dBV VIN = – 26.0dBV Line through output distortion THDLL — 0.15 0.5 % Line through maximum output level VOML + 5.0 + 7.2 — dBV Line through noise level VONL — – 92 – 77 dBV Microphone through output level VOML – 10.5 – 8.5 – 6.5 dBV VIN = – 52dBV Microphone through output distortion THDML — 0.2 0.5 % Microphone through input conversion noise VONM — – 114 – 104 dBV Input shorted Microphone through crosstalk CTML — – 91 – 75 dBV Compress output level VOMC – 6.5 – 4.5 – 2.5 dBV VIN = – 52dBV Compress output distortion THDMC — 0.5 2.0 % Compress noise level VONC — – 55 – 45 dBV Compress characteristics CMP — – 11.0 — dB VODL1 – 11.7 – 9.7 — dBV VIN = – 5.0dBV, V4 = 9.0V Expand output distortion THDDL — 0.25 2.0 % Expand characteristic EXP — – 19.5 — dB VODL2 — – 54 – 44 dB VODC1 – 7.5 – 5.5 — dBV VIN = – 5.0dBV, V6 = 9.0V VODC2 — – 42 – 32 dBV MIC OFF holding voltage V4OFF 0.0 — — — 1.0 V MIC ON holding voltage V4ON 2.0 — 9.0 V VIN = – 42dBV → – 62dBV Output level differential Expand output level 1 Expand output level 2 VIN = 0dBV → – 10.0dBV Output level differential VIN = – 5.0dBV, Output level differential relative to VoDL1 VIN = – 5.0dBV, Output level differential relative to VoDC1 Loop output level 1 Loop output level 2 〈LINE THROUGH〉 INPUT : LINE IN, OUTPUT : LINE OUT 〈MIC THROUGH〉 INPUT : MIC AMP IN, OUTPUT : LINE OUT 〈COMPRESS〉 INPUT : MIC AMP IN, OUTPUT : CMP BF OUT 〈EXPAND〉 INPUT : DLY BF IN, OUTPUT : LINE OUT 〈Loop〉 INPUT : DLY BF IN, OUTPUT : CMP BF OUT 〈Mode holding voltage〉 Unless otherwise noted, V4 = 9.0V (MIC ON), V6 = 9.0V (Max. LOOP GAIN) ∗1 BW = 0.4-30kHz ∗2 DIN AUDIO V6 = 2.0V (VR = Min. time) V4 = 2.0V (VR = Min. time) VIN = – 26.0dBV, MIC OFF,∗1 MIC OFF, Rg = 600 Ω,∗2 VIN = – 52dBV,∗1 VIN = – 44dBV, MIC OFF,∗2 VIN = – 52dBV,∗1 Rg = 600 Ω,∗2 VIN = – 5.0dBV, V4 = 9.0V,∗1 THD = 1%,∗1 |
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