TDA7409D STMicroelectronics, TDA7409D Datasheet
TDA7409D
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TDA7409D Summary of contents
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... MUTE GAIN/ AUTO ZERO MIXING SOFT LOUDNESS VOLUME STAGE MUTE BEEP DIGITAL CONTROL I TDA7409 SO20 ORDERING NUMBER: TDA7409D MONO FADER MONO FADER MONO FADER TREBLE BASS MONO FADER MONO FADER MONO FADER ZERO ...
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TDA7409 SUPPLY Symbol Parameter V Supply Voltage s I Supply Current s SVRR Ripple Rejection @ 1KHz THERMAL DATA Symbol R Thermal Resistance Junction-pins max Th j-pins ABSOLUTE MAXIMUM RATINGS Symbol V Operating Supply Voltage s T Operating Temperature Range ...
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FEATURES: Input Multiplexer 4 single-end stereo inputs In-Gain 0..14dB, 1dB steps, 14..20dB, 2dB steps Auto Zero Beep internal Beep with 3 frequencies 781Hz/1.56KHz/1.8KHz Mixing stage 4 step-mixing-stage with mono or beep as mix-signals Loudness second order frequenciy response programmable center ...
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TDA7409 ELECTRICAL CHARACTERISTICS (V specified) Symbol Parameter INPUT SELECTOR R Input Resistance in V Clipping Level CL S Input Separation IN G Min. Input Gain IN MIN G Max. Input Gain IN MAX G Step Resolution STEP V DC Steps ...
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ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter V DC Steps DC LOUDNESS CONTROL A Step Resolution STEP A Max. Attenuation MAX f Center Frequency C SOFT MUTE A Mute Attenuation MUTE T Delay Time low Low Threshold for SM-Pin ...
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TDA7409 ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Q Quality Factor BASS DC Bass-DC-Gain GAIN TREBLE CONTROL C Control Range RANGE A Step Resolution STEP f Center Frequency C SPEAKER ATTENUATORS C Control Range RANGE A Step Resolution STEP A Output Mute ...
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ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter E Attenuation Set Error Steps DC GENERAL e Output Noise NO S/N Signal to Noise Ratio d Distortion S Channel Separation left/right C E Total Tracking Error T 1.0 DESCRIPTION OF FUNCTIONALITY ...
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TDA7409 1.2 AutoZero In order to reduce the number of pins there coupling between the In-Gain and the following stage, so that any offset generated by or before the In-Gain-stage would be transferred or even amplified to ...
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Figure 3. Loudness Attenuation @ 1.4.2 Center Frequency Figure 4 shows the three possible peak-frequencies 400Hz , 800Hz and 2.4kHz. Figure 4. Loudness Center ...
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TDA7409 1.4.3 Low & High Frequency Boost Figure 5 shows the different Loudness-shapes in low & high frequency boost. Figure 5. Loudness Attenuation , ...
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SoftStep-Volume When the volume-level is changed audible clicks could appear at the output. The root cause of those clicks could either be a DC-Offset before the volume-stage or the sudden change of the envelope of the audiosignal. With the ...
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TDA7409 1.7.2 Center Frequency Figure 9 shows the four possible center frequencies 60, 80 ,100 and 200Hz. Figure 9. Bass center Frequencies @ Gain = 15dB ...
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DC Mode In this mode the DC-gain is increased by 4.4dB. In addition the programmed center frequency and quality factor is decreased by 25% which can be used to reach alternative center frequencies or quality factors. Figure 11. Bass ...
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TDA7409 1.8.2 Center Frequency Figure 13 shows the four possible center frequencies 10k, 12.5k, 15k and 17.5kHz. Figure 13. Treble Center Frequencies @ Gain = 15dB 1.9 Speaker ...
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I C BUS INTERFACE 2.1 Interface Protocol The interface protocol comprises: a start condition (S) a chip address byte (the LSB bit determines read / write transmission) a subaddress byte a sequence of data (N-bytes + acknowledge) a ...
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TDA7409 2.4 SUBADDRESS (receive mode) MSB For more information see Soft Mute-section 2 For more information see AutoZero-section 3 For more information see ...
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DATA BYTE SPECIFICATION 2.5.1 Input Selector / Gain MSB ...
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TDA7409 2.5.3 Volume MSB ...
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Bass Programming MSB Note 3: For more information please refer to section Bass description 2.5.6 Speaker Attenuator Left Front ...
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TDA7409 2.5.7 Speaker Attenuator Right Front MSB ...
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Speaker Attenuator Right Rear MSB ...
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TDA7409 2.5.11 SoftMute and Mixing MSB 2.5.12 Others MSB ...
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Testing MSB Figure 14. TDA7409 Application Circuit MUTE 100nF TAPEL 100nF TAPER 100nF FM_L 100nF FM_R 100nF ...
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TDA7409 mm DIM. MIN. TYP. MAX. A 2.35 2.65 0.093 A1 0.1 0.3 0.004 B 0.33 0.51 0.013 C 0.23 0.32 0.009 D 12.6 13 0.496 E 7.4 7.6 0.291 e 1. 10.65 0.394 h 0.25 0.75 0.010 ...
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... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...