TDA7718N - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TDA7718N
Manufacturer

ST Microelectronics
ChipWorker Part#

CW85968618
Category

Microprocessor IC
Package

TSSOP-28
Description

Audio Processor Bass/Middle/Treble 0.4MHz Automotive 28Pin TSSOP
Documentation

Datasheet

TDA7718N Global Supplier

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TDA7718N Specifications

Attribute	Attribute Value

Part Number	TDA7718N
Manufacturer	ST Microelectronics
ChipWorker Part#	CW85968618
Category	Microprocessor IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	28 Pin
Case/Package	TSSOP-28
Number of Channels	3 Channel
Common Mode Rejection Ratio	44 dB
Gain	23 dB
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	7.5V ~ 10V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The TDA7718N 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.
**Key Features**
Offset detectionOffset voltage detection circuit for on-board power amplifier failure diagnosis
Mute functionsDirect muteDigitally controlled SoftMute with 4 programmable mute-times (0.48 ms/0.96 ms/8 ms/16 ms)
Speaker4 independent soft step speaker controls+15 dB to -79 dB with 1 dB stepsDirect mute
Treble2nd 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
Input multiplexerQD1: quasi-differential stereo inputsSE1: stereo single-ended inputSE2: stereo single-ended inputSE3: stereo single-ended inputFD1 / SE4+SE5: 1 full-differential input or 2 stereo single-ended inputs
Volume+23 dB to -31 dB with 1 dB step resolutionSoft-step control with programmable blend times
Loudness2nd order frequency responseProgrammable center frequency (400 Hz / 800 Hz / 2400 Hz)15 dB with 1 dB stepsSelectable high frequency boostSelectable flat-mode (constant attenuation)
Middle2nd order frequency responseCenter 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
Subwoofer2nd 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
Bass2nd order frequency responseCenter frequency programmable in 4 steps (60 Hz / 80 Hz / 100 Hz / 200 Hz)Q programmable 1.0/1.25/1.5/2.0DC gain programmable-15 dB to 15 dB range with 1 dB resolution

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