Product overview
Description
The TDA7715 is a high performance signal processor specifically designed for car radio applications.
The device includes a high performance audio processor with fully integrated audio filters and new soft-step architecture.
The digital control allows programming in a wide range of filter characteristics.
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All features
- Input multiplexer
- QD0 to QD3: quasi-differential stereo input
- SE0 to SE4: stereo single-ended input
- Loudness
- 2nd order frequency response
- Programmable center frequency (400 Hz/800 Hz/2400 Hz)
- 15 dB with 1 dB steps
- Selectable high frequency boost
- Selectable flat-mode (constant attenuation)
- Volume
- +23 dB to –23 dB with 1 dB step resolution
- Soft-step control with programmable blend times
- Bass
- 2nd order frequency response
- Programmable center frequency (60/70/80/100//110/120/130/150 Hz)
- Q programmable 1.0/1.25/1.5/2.0
- DC gain programmable
- -15 to 15 dB range with 1 dB resolution
- Soft-step control with programmable blend times
- Middle
- 2nd order frequency response
- Programmable center frequency (500 Hz/1 kHz/1.5 kHz/2 kHz)
- Q programmable 1.0/2.0
- -15 to 15 dB range with 1 dB resolution
- Soft-step control with programmable blend times
- Treble
- 2nd order frequency response
- Center frequency programmable in 4 steps (10/12.5 /15/17.5 kHz)
- -15 to 15 dB range with 1 dB resolution
- Soft-step control with programmable blend times
- High pass filter
- 2nd order frequency response
- Programmable cut off frequency (50/60/80/100/120/150/180/220 Hz)
- Low pass filter
- 2nd order low pass filter
- Programmable cut off frequency
- (50 Hz/60 Hz/80 Hz/100 Hz/120 Hz)
- Speaker
- 6 independent soft-step speaker controls
- +23 dB to –79 dB with 1 dB steps
- Soft-step control with programmable blend times
- Output driver
- Four dedicated outputs for an internal (on-board) power amplifier.
- Six 3.55 VRMS line-driver outputs for an external (remote) power amplifier
- Mute functions
- Direct mute
- Main/Sub channel: digitally controlled soft-mute with 4 programmable mute-times
- (0.5 ms/4 ms/8 ms/16 ms)
- Speaker: digitally controlled soft-mute with 4 programmable mute-times (4 ms/8 ms/32 ms/64 ms)
- Spectrum analyzer
- 7-band, fully integrated 2nd order band-pass filter with programmable filter quality for different visual behavior
- Selectable In-gain 0/2/4/6dB
- AC coupling
- Three AC-coupling input
- One AC-coupling output
- Offset detection
- Offset voltage detection circuit for on-board power amplifier failure diagnosis
- Input multiplexer
EDA Symbols, Footprints and 3D Models
STMicroelectronics - TDA7715
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