产品概述
描述
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.
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所有功能
- Offset detection
Offset voltage detection circuit for on-board power amplifier failure diagnosis - Mute functions
Direct mute Digitally controlled SoftMute with 4 programmable mute-times (0.48 ms/0.96 ms/8 ms/16 ms) - Speaker
4 independent soft step speaker controls +15 dB to -79 dB with 1 dB steps Direct mute - 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 - Input multiplexer
QD1: quasi-differential stereo inputs SE1: stereo single-ended input SE2: stereo single-ended input SE3: stereo single-ended input FD1 / SE4+SE5: 1 full-differential input or 2 stereo single-ended inputs - Volume
+23 dB to -31 dB with 1 dB step resolution Soft-step control with programmable blend times - 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) - 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 - 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 - 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
- Offset detection
电路原理图
EDA符号、封装和3D模型
STMicroelectronics - TDA7718N
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符号
封装
3D模型
质量与可靠性
| 产品型号 | Marketing Status | 封装 | 等级规格 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|---|
| TDA7718N | NRND | TSSOP-28 | 汽车应用 | Ecopack2 | |
| TDA7718NTR | NRND | TSSOP-28 | 汽车应用 | Ecopack2 |
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
样片和购买
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| 产品型号 | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | 封装 | 包装类型 | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | 温度（ºC） | Operating Temperature (°C) (min) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||||||
| TDA7718N | | | distributors 无法联系到经销商，请联系我们的销售办事处 | TSSOP-28 | Tube | PHILIPPINES | EAR99 | NEC | - | - | - | |||
| TDA7718NTR | | | distributors 无法联系到经销商，请联系我们的销售办事处 | TSSOP-28 | Tape and Reel | PHILIPPINES | EAR99 | NEC | - | - | - | |||
TDA7718N NRND
Budgetary Price (US$)*/Qty:
-
distributors
无法联系到经销商，请联系我们的销售办事处
封装:
TSSOP-28
包装类型:
Tube
RoHS:
-
Country of Origin:
PHILIPPINES
ECCN (US):
EAR99
ECCN (EU):
NEC
TDA7718NTR NRND
Budgetary Price (US$)*/Qty:
-
distributors
无法联系到经销商，请联系我们的销售办事处
封装:
TSSOP-28
包装类型:
Tape and Reel
RoHS:
-
Country of Origin:
PHILIPPINES
ECCN (US):
EAR99
ECCN (EU):
NEC
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