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TDA7718B 数据表(PDF) 1 Page - STMicroelectronics |
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TDA7718B 数据表(HTML) 1 Page - STMicroelectronics |
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1 / 40 page  This is information on a product in full production. September 2013 DocID18305 Rev 3 1/40 1 TDA7718B 3 band car audio processor Datasheet - production data Features Input multiplexer – QD1: quasi-differential stereo inputs – SE1: stereo single-ended input – SE2: stereo single-ended input – SE3: stereo single-ended input – FD full-differential or quasi-differential input Loudness –2nd order frequency response – Programmable center frequency (400 Hz / 800 Hz / 2400 Hz) – 15dB with 1dB steps – Selectable high frequency boost – Selectable flat-mode (constant attenuation) Volume – +23 dB to -31 dB with 1 dB step resolution – Soft-step control with programmable blend times Bass –2nd order frequency response – Center frequency programmable in 4 steps (60 Hz / 80 Hz / 100 Hz / 200 Hz) – Q programmable 1.0/1.25/1.5/2.0 – DC gain programmable – -15 dB to 15 dB range with 1 dB resolution Middle –2nd order frequency response – Center frequency programmable in 4 steps (500 Hz / 1 kHz / 1.5 kHz / 2.5 kHz) – Q programmable 0.75/1.0/1.25 – -15 dB to 15 dB range with 1 dB resolution Treble –2nd order frequency response (10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz) – Center frequency programmable in 4 steps (10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz) – -15 dB to 15 dB with 1 dB resolution Speaker – 4 independent soft-step speaker controls – +15 dB to -79 dB with 1 dB steps – Direct mute Subwoofer –2nd order low pass filter with programmable cut off frequency (55 Hz / 85 Hz / 120 Hz / 160 Hz) – 2 independent soft-step level control, +15 dB to –79 dB with 1 dB steps Mute functions – Direct mute – Digitally controlled soft-mute with 4 programmable mute-times (0.48 ms/0.96 ms/8 ms/16 ms) Offset detection – Offset voltage detection circuit for on-board power amplifier failure diagnosis Description The TDA7718B is a high performance signal processor specifically designed for car radio applications. The device includes a high performance audioprocessor with fully integrated audio filters and new soft-step architecture. The digital control allows programming in a wide range of filter characteristics. TSSOP28 Table 1. Device summary Order code Package Packing TDA7718B TSSOP28 Tube TDA7718BTR TSSOP28 Tape and reel www.st.com |
类似零件编号 - TDA7718B |
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类似说明 - TDA7718B |
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