TDA7439D ST Microelectronics, TDA7439D Datasheet
TDA7439D
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TDA7439D Summary of contents
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... CBUS DECODER + LATCHES VOLUME TREBLE MIDDLE BASS MUXOUTR INR TREBLE(R) MIN(R) MOUT(R) BIN(R) TDA7439 THREE BANDS DIP28 SO28 TDA7439B (DIP28) TDA7439D (SO28) BOUT( SPKR ATT LOUT LEFT 30 SCL 1 SDA 29 DIG_GND 5 SPKR ATT ROUT RIGHT V REF ...
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... TDA7439 BLOCK DIAGRAM (TDA7439B/TDA7439D) 4 L-IN1 100K 5 L-IN2 100K 6 G L-IN3 100K 7 L-IN4 100K 0/30dB 2dB STEP 3 R-IN1 100K 2 R-IN2 100K G 1 R-IN3 100K 28 R-IN4 INPUT MULTIPLEXER 100K + GAIN PIN CONNECTION (SDIP30) SDA CREF V AGND ROUT LOUT R-IN4 R-IN3 R-IN2 R-IN1 L-IN1 ...
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PIN CONNECTION (DIP28/SO28) R_IN3 R_IN2 R_IN1 L_IN1 L_IN2 L_IN3 L_IN4 MUXOUTL MUXOUTR MIN(R) MOUT(R) BIN(R) BOUT(R) BIN(L) ABSOLUTE MAXIMUM RATINGS Symbol V Operating Supply Voltage S T Operating Ambient Temperature amb T Storage Temperature Range stg THERMAL DATA Symbol R ...
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TDA7439 ELECTRICAL CHARACTERISTICS (refer to the test circuit 600 , all controls flat (G = 0dB), unless otherwise specified) G Symbol Parameter SUPPLY V Supply Voltage S I Supply Current S SVR Ripple Rejection INPUT STAGE R ...
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ELECTRICAL CHARACTERISTICS (continued.) Symbol Parameter AUDIO OUTPUTS V Clipping Level CLIP R Output Load Resistance L R Output Impedance Voltage Level DC GENERAL E Output Noise NO E Total Tracking Error t S/N Signal to Noise Ratio ...
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TDA7439 APPLICATION SUGGESTIONS The first and the last stages are volume control blocks. The control range -47dB (mute) for the first one -79dB (mute) for the last one. Both of them have 1dB step resolution. ...
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Figure 4: Channel separation vs. frequency Figure 6: Middle response R = 25k 15nF (MIN 22nF (MOUT 2.7k Figure 8: Typical tone response Figure 5: Bass response R = 44k ...
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TDA7439 BUS INTERFACE Data transmission from microprocessor to the TDA7439 and vice versa takes place through the 2 2 wires I C BUS interface, consisting of the two lines SDA and SCL (pull-up resistors to positive supply ...
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SOFTWARE SPECIFICATION Interface Protocol The interface protocol comprises: A start condition (S) A chip address byte, containing the TDA7439 CHIP ADDRESS MSB LSB ACK D96AU420 ACK = Acknowledge S = Start ...
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TDA7439 POWER ON RESET CONDITION INPUT SELECTION INPUT GAIN VOLUME BASS MIDDLE TREBLE SPEAKER DATA BYTES Address = 88 HEX (ADDR:OPEN). FUNCTION SELECTION: First byte (subaddress) MSB ...
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DATA BYTES (continued) INPUT GAIN SELECTION MSB GAIN = 0 to 30dB VOLUME SELECTION MSB ...
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TDA7439 DATA BYTES (continued) BASS SELECTION MSB MIDDLE SELECTION MSB 12/19 LSB ...
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DATA BYTES (continued) TREBLE SELECTION MSB SPEAKER ATTENUATE SELECTION MSB ...
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TDA7439 PINS 20K CREF 20K D96AU430 PINS 10, 11, 12, 13 100K V REF PINS: 16 INL INR 33K V REF 14/19 PINS ...
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PINS: 19 25K MIN(L) MIN(R) PINS: 22 44K BOUT(L) BOUT(R) PINS SCL D96AU424 PINS: 21, BIN(L) D96AU431 BIN(R) PINS: 27 TREBLE(L) TREBLE(R) ...
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TDA7439 mm DIM. MIN. TYP. MAX. MIN. A 5.08 A1 0.51 0.020 A2 3.05 3.81 4.57 0.12 B 0.36 0.46 0.56 0.014 B1 0.76 0.99 1.40 0.030 C 0.20 0.25 0.36 0.008 D 27.43 27.94 28.45 1.08 E 10.16 10.41 ...
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DIM. MIN. TYP. MAX. MIN. TYP. a1 0.63 0.025 b 0.45 0.018 b1 0.23 0.31 0.009 b2 1.27 0.050 D 37.34 E 15.2 16.68 0.598 e 2.54 0.100 e3 33.02 1.300 F 14.1 I 4.445 0.175 L 3.3 ...
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TDA7439 mm DIM. MIN. TYP. MAX. MIN. A 2.65 a1 0.1 0.3 0.004 b 0.35 0.49 0.014 b1 0.23 0.32 0.009 C 0 (typ.) D 17.7 18.1 0.697 E 10 10.65 0.394 e 1.27 e3 16.51 F 7.4 ...
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Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. ...