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BA3838FE2 Datasheet(PDF) 6 Page - Rohm |
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BA3838FE2 Datasheet(HTML) 6 Page - Rohm |
6 / 11 page 6 Multimedia ICs BA3837 / BA3837F / BA3838F Parameter Symbol Min. Typ. Max. Unit Conditions IQ 1.6 2.4 3.3 mA Vom 2.3 2.8 — GVT 10 14 17 dB GVF 10 14 17 dB GVM 5 8 11 dB CT 54 70 — dB fIN = 1kHz MU 73 80 — dB fIN = 1kHz SV 28 33 — dB THD — 0.02 0.07 % VN — 15 22 RIN 35 50 65 k Ω VthH 4.7 —— V VthL — — 0.3 V ∆DC — 726 mV µVrms Vrms — — — Quiescent current Maximum output voltage L / R gain Low frequency gain Microphone gain Crosstalk Mute attenuation Vocal suppression rate Total harmonic distortion Noise level Input impedance Output switching DC differential Control pin threshold (high) Control pin threshold (low) Not designed for radiation resistance. Through mode THD = 1%, through mode Through mode fin = 50kHz, vocal fader mode Vocal fader mode Through mode, BW : 400Hz - 30kHz Rg = 0, DIN AUDIO LIN, RIN, MICIN, FK Maximum output voltage differential between L, R and TK modes 0 : 0V 1 : 5V A B C LOUT ROUT TK 0 0 0 MUTE MUTE MUTE 0 0 1 VF VF VF 0 1 0 L L L 0 1 1 L R L 1 0 0 MUTE MUTE MUTE • • • • 1 0 1 KC KC VF 1 1 0 KC KC L 1 1 1 KC KC L + R — — — — Mute Vocal fader mode Sound multiplexing mode Through mode Mute Vocal fader mode Sound multiplexing mode L + R Key controller mode Mode VF : vocal fader output KC : signal passed through key controller 1. L / R input and output in the through mode are synchronous with a gain of 14dB. 2. L / R input and TK output in the key controller mode are synchronous with a gain of 8dB. 3. FK input and L / R output in the key controller mode are synchronous with a gain of 6dB. 4.MIC input and L / R output are negative phase with a gain of 8dB. (1) Microphone output is not muted during muting (ABC = 000 or 100). (2) Gain and relative phase: See block diagram. Mode table (A = pin14, B = pin15, C = pin16) •Electrical characteristics BA3837 / F (unless otherwise noted, Ta = 25°C, Vcc = 10V, fIN = 1kHz, VIN = 150mV, RL = 100k Ω) |
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