Product overview
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.
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All 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
- 2ndorder 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 -31 dB with 1 dB step resolution
- Soft-step control with programmable blend times
- Bass
- 2ndorder 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
- 2ndorder 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
- 2ndorder 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
- 2ndorder 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
- Input multiplexer
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STMicroelectronics - TDA7718B
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| TDA7718B | Active | TSSOP-28 | Automotive | Ecopack2 | |
| TDA7718BTR | Active | TSSOP-28 | Automotive | Ecopack2 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Order from distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| TDA7718BTR | distributors No availability of distributors reported, please contact our sales office | Active | EAR99 | NEC | Tape and Reel | TSSOP-28 | - | - | PHILIPPINES | | ||
| TDA7718B | distributors No availability of distributors reported, please contact our sales office | Active | EAR99 | NEC | Tube | TSSOP-28 | - | - | PHILIPPINES | | ||
Buy Direct at ST (*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors