PT12916
PT12916 is 3 Band EQ Car Audio Processor manufactured by PTC.
DESCRIPTION
The PT12916 is a car audio processor with 10 input sources selector and 3-band equalizer, which includes a fully integrated high performance audio filters that are built into a single chip to provide audio system having the highest audio performance and reliability. Digital control allows programming in a wide range of filter characteristics.
APPLICATION
- Car Audio System
FEATURES
- Controlled by I²C Bus Micro-Processor Interface
- Input Gain from 0 to +15d B with 1d B/step
BLOCK DIAGRAM
- 8 stereo Inputs for audio sources
- 1 Quasi-Differential input for external auxiliary input.
- 1 Fully-Differential input for auxiliary input or disc changer.
- 2 mono mixing inputs for GPS navigation system and mobilephone.
- 2 Channels electronic volume with soft step, from +15 to -79d B with 1d B/step
- Soft mute
- 1 mono output with soft step volume for subwoofer, from +15 to -79d B with 1d B/step
- 3 band equalizer with gain, Q-factor and center frequency programmable, bass and middle band with soft step gain.
- Frequency and gain programmable loudness : 0 to -15d B with 1d B/step and soft step
- 4 independent speaker outputs volume with soft step: from +15 to -79d B with 1d B/step
- 36-pin SSOP package
MONO1 MONO2
FDL+ FDLFDR+ FDRSE1 SE2 SE3 SE4 SE5 SE6 SE7 SE8 QDL QDG QDR
Soft Step Mixing Volume
Soft Step Mixing Volume
In Gain
Soft Step Loudness
Soft Mute
Soft Step Volume
Treble
Soft Step Middle
Soft Step Bass
INPUT MULTIPLEXER
L+R
SUPPLY
28 19 18 VDD GND CREF
25 Mute
DIGITAL CONTROL
I2C BUS
26 27 SCL SDA
Soft Step Mono Fader
Soft Step Mono...
