tda7342eq2n STMicroelectronics, tda7342eq2n Datasheet
tda7342eq2n
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tda7342eq2n Summary of contents
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... Four speaker attenuators – Four independent speakers control in 1.25dB steps for balance and fader facilities – Independent mute function ■ All functions programmable via serial I Description The audioprocessor TDA7342EQ2N is an upgrade of the TDA731X audioprocessor family. Order codes Part number TDA7342EQ2N TDA7342EQ2NTR August 2006 ...
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... Quick reference data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.3 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 I2C bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.1 Data Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.2 Start and Stop Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.3 Byte Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.4 Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.5 Transmission without Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5 Software specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5.1 Interface Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5.2 Auto increment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5.3 Transmitted data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.4 Data byte specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2/21 TDA7342EQ2N ...
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... TDA7342EQ2N List of tables Table 1. Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 2. Quick reference data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 3. Thermal data Table 4. Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 5. SUBADDRESS (receive mode Table 6. Send mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 7. Input selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 8. Loudness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 9. Mute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 10. Speaker attenuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 11. Bass/Treble Table 12. Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Table 13. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 ...
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... List of figures List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2. Pin connection (Top view Figure 3. Data Validity on the I2C BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 4. Timing Diagram of I2C BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 5. Acknowledge on the I2C BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 6. TQFP32 Mechanical Data & Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 4/21 TDA7342EQ2N ...
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... TDA7342EQ2N 1 Block diagram Figure 1. Block diagram Block diagram 5/21 ...
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... Pin connection (Top view) 6/ OUT R 4 LOUD MONO TDA7342EQ2N 24 OUT LF 23 OUT RF 22 OUT LR 21 OUT RR 20 BOUT R 19 BIN R 18 BOUT L 17 BIN L D94AU060A ...
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... TDA7342EQ2N 3 Electrical specifications 3.1 Absolute maximum ratings Table 1. Absolute Maximum Ratings Symbol V Operating Supply Voltage S T Operating Ambient Temperature amb T Storage Temperature Range stg 3.2 Quick reference data Table 2. Quick reference data Symbol V Supply Voltage S V Max. input signal handling CL THD Total Harmonic Distortion V = 1Vrms f = 1KHz ...
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... Input selector BIT (0dB) Input selector BIT D6 = 1(-6dB =1KHz CM RMS f = 10KHz RMS 20Hz to 20KHz; Flat -20dB G = -20 to -58dB Adiacent Attenuation Steps From 0dB to A MAX TDA7342EQ2N Min. Typ. Max. Unit 70 100 130 KΩ 2.1 2.6 V RMS 80 100 dB 2 KΩ -0.75 0 ...
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... TDA7342EQ2N Table 4. Electrical characteristics (continued 9V 10KΩ circuit, unless otherwise specified.) Symbol Parameter LOUDNESS CONTROL R Internal Resistor I A Maximum Attenuation MAX A Step Resolution step ZERO CROSSING MUTE V Zero Crossing Threshold TH A Mute Attenuation MUTE V DC Step DC SOFT MUTE A Mute Attenuation ...
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... 20kHz "A" weighted Output Muted ( 20kHz flat) All Gains 0dB ( 20kHz flat -20dB -20 to -60dB V All Gains = 0dB 1Vrms 1.6mA O TDA7342EQ2N Min. Typ. Max. Unit 2.1 2.6 Vrms 2 KΩ Ω 30 100 3.5 3 ...
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... TDA7342EQ2N bus interface Data transmission from microprocessor to the TDA7342EQ2N and viceversa takes place 2 thru the 2 wires I resistors to positive supply voltage must be externally connected). 4.1 Data Validity As shown in Figure clock. The HIGH and LOW state of the data line can only change when the clock signal on the SCL line is LOW ...
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... START 2 C BUS MSB D99AU1033 2 Purchase Components of STMicrolectronics, conveys a license under the Philips I use these components system conforms to the I defined by Philips. TDA7342EQ2N D99AU1031 2 I CBUS STOP ACKNOWLEDGMENT FROM RECEIVER 2 C Patent Rights system, provided that the ...
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... TDA7342EQ2N 5 Software specification 5.1 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 stop condition (P) CHIP ADDRESS MSB D06AU1650 ACK = Acknowledge ...
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... TDA7342EQ2N LSB FUNCTION not used mono 0 0 not used 0 1 not used 1 0 not allowed 1 1 not allowed 11 ...
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... TDA7342EQ2N Table 8. Loudness MSB the loudness is switched OFF, the loudness stage is acting like a volume attenuator with flat frequency response determine the attenuation level. ...
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... LSB TDA7342EQ2N FUNCTION 80mV ZC Window Threshold (WIN = 01) 40mV ZC Window Threshold (WIN = 10) 20mV ZC Window Threshold (WIN = 11) (1) Nonsymmetrical Bass Cut Symmetrical Bass Cut SPEAKER ATTENUATOR LF, LR, RF, RR 1.25dB step 0dB -1.25dB -2.5dB -3.75dB -5dB -6.25dB -7 ...
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... TDA7342EQ2N Table 11. Bass/Treble (continued) MSB For example 12dB Treble and -8dB Bass give the following DATA BYTE ...
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... TDA7342EQ2N FUNCTION 0.31dB Fine Attenuation Steps 0dB -0.31dB -0.62dB -0.94dB 1.25dB Coarse Attenuation Steps 0dB -1.25dB -2.5dB -3.75dB -5dB -6.25dB -7.5dB -8.75dB 10dB Gain / Attenuation Steps 20dB 10dB 0dB -10dB -20dB ...
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... TDA7342EQ2N 6 Package information In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label ...
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... Revision history 7 Revision history Table 13. Document revision history Date 03-Aug-2006 20/21 Revision 1 Initial release. TDA7342EQ2N Changes ...
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... TDA7342EQ2N Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...