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BA7787FS Datasheet(PDF) 6 Page - Rohm |
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BA7787FS Datasheet(HTML) 6 Page - Rohm |
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6 / 24 page  6 Multimedia ICs BA7786FP-Y / BA7787FS Parameter Symbol Unit Conditions Min. Typ. Max. 〈Supply current〉 Supply current Supply current SUSPEND Output voltage level Maximum output level Output residual noise Interchannel crosstalk Muting level Output voltage level Input threshold level Output voltage level Distortion Maximum output level Output residual noise Interchannel crosstalk LINE MIX OFF level Output level 〈MUTE CTRL〉 (pin 3) HP MUTE ON holding voltage HP MUTE OFF holding voltage 〈HP SUSPEND〉 (pin 9) HP SUSPEND holding voltage HP SUSPEND holding voltage 〈SP SUSPEND〉 (pin 10) SP SUSPEND holding voltage SP SUSPEND holding voltage 〈LINE MIX ON / OFF〉 (pin 12) LINE MIX OFF holding voltage LINE MIX ON holding voltage EVR variation range Distortion Measurement circuit 3.10 4.25 6.74 No input, SP OUT = no load Fig.2 ICC mA 175 240 410 No input, VH = VS = H Fig.2 ICCS µA 〈HP AMP 1〉 INPUT: LINE IN L / R, OUTPUT: HP OUT L / R 〈HP AMP 2〉 INPUT: SYSTEM BEEP IN, OUTPUT: HP OUT L / R 〈SP AMP 2〉 INPUT: PM BEEP IN, OUTPUT: SP OUT L / R – 7.4 – 4.0 – 1.5 VIN = – 10.0dBV VIN = – 10.0dBV∗1 VIN = – 10.0dBV∗2 VE = HP VCC →VE = ground level differential Fig.2 VOHP dBV — 0.1 1.0 Fig.2 THDHP % – 1.6 + 0.6 — THD = 1%∗1 Fig.2 VOMHP dBV dBV dBV dBV VP-P VP-P dBV 70 90 — Fig.2 GEVR dB — – 80 – 73 Rg = 1k Ω∗2 VIN = – 7.0dBV∗2 VIN = – 7.0dBV∗2, VM = L VIN = – 10.0dBV VIN = – 10.0dBV∗1 VIN = – 12.0dBV∗2 VIN = – 12.0dBV∗2, VL = L VIN = – 10.0dBV Fig.2 VONHP — – 79 – 70 Fig.2 CTHP — – 94 – 83 Fig.2 MTHP 0.22 0.32 0.42 VIN = 5.0VP-P Fig.2 4.5 — 5.0 Fig.2 VHBH VOSP THDSP VOHB – 1.4 + 2.0 + 4.5 Fig.2 — 0.4 1.5 Fig.2 % + 3.5 + 5.7 — THD = 1%∗1 Fig.2 VOMSP dBV — – 90 – 80 Rg = 1k Ω∗2 Fig.2 VONSP dBV dBV dBV dBV — – 78 – 70 Fig.2 CTSP — – 78 – 70 Fig.2 VOOFFSP – 7.4 – 4.0 – 1.5 Fig.2 Fig.2 Fig.2 VOSB GND — 0.4 VML V 4.3 — VCC VMH V GND — 0.4 Fig.2 VHL V 4.3 — VCC Fig.2 VHH V 4.3 — VCC Fig.2 VSH V GND — 0.4 Fig.2 VSL V GND — 0.4 Fig.2 VLL V 4.3 — — — — — — — — — VCC Fig.2 VLH V 〈SP AMP 1〉 INPUT: SP IN L / R, OUTPUT: SP OUT L / R ∗1: B.W. = 0.4 ~ 30kHz ∗2: DIN audio mode settings are as follows, unless otherwise noted: VE = HP VCC (EVR = Max.), VM = H (HP MUTE OFF), VH = L (HP SUSPEND), VS = L (SP SUSPEND), VL = H (LINE MIX ON), VN = H (STEREO) BA7787FS 〈Control threshold voltage〉 |
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