TDA7501TR STMICROELECTRONICS [STMicroelectronics], TDA7501TR Datasheet
TDA7501TR
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TDA7501TR Summary of contents
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... C bus interface (selectable) – Direct mute for the output stages and/or high impedance mpx mute Order codes Part number TDA7501 TDA7501TR January 2007 Line driver for digital car radio Signal processor (DSPLD) Description The line driver handles all analog input and output signals for the digital car radio signal processor TDA7501 ...
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Contents Contents 1 Block diagram and pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Electrical specifications ...
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TDA7501 List of tables Table 1. Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of figures List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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TDA7501 1 Block diagram and pin connections Figure 1. Block diagram Figure 2. Pin connection (top view) Block diagram and pin connections V33 1 SIGGND 2 CassL 3 CassR ...
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Electrical specifications 2 Electrical specifications Table 1. Supply Symbol V Supply voltage dd V Output supply voltage P I Supply current Supply current V S12 SVRR Ripple rejection @ 1kHz Table 2. Absolute maximum ratings Symbol V ...
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TDA7501 Table 4. Electrical characteristcs (continued 1kHz; unless otherwise specified) Symbol V Output DC-voltage DCout Output impedance OUT1L out Output impedance OUT2L, 2R Quasi differential CD stereo input (non inverting) R Input resistance (see ...
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Electrical specifications Table 4. Electrical characteristcs (continued 1kHz; unless otherwise specified) Symbol ATT Max. attenuation MAX ATT Step resolution STEP ATT Output mute attenuation MUTE E Attenuation set error steps DC V Output ...
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TDA7501 3 Description of the input part On the input side, the TDA7501 (see signals to the four AD converters of the digital car radio signal processor TDA7500. The audio signals are adjusted by the input gain stage to the ...
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Description of the input part 3.1 Input Stages The device offers several input stages for the different signals which have to be handled by the system. A quasi differential input (see The two mono differential inputs allow the connection of ...
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TDA7501 3.2 Dual MPX mode The TDA7501 is able to support a twin tuner concept via the Dual MPX Mode. In this configuration the FM pin and the AM-pin are acting as MPX1 and MPX2 inputs. The DC Voltage at ...
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Description of the input part 3.4 Transfer function of the AM/FM level inputs In the TDA7501 two level shift stages convert a tuner level (DC) signal to a unipolar output signal with respect to the Codec Interface reference, that is ...
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TDA7501 4 Description of the output part The TDA7501 has 6 independent outputstage with volume control. The first 4 (main) outputs have an input selector which allows to select besides the DAC outputs CD direct or Phone/Navigation-mix. In addition one ...
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Description of the output part Figure 11. Level diagram. INPUT GAIN IN 2Vrms 4.15Vdc 4.2 Speaker (linedriver) outputs The Speaker outputs can be configured in three different operating modes Internal reference mode with 0dB output gain ...
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TDA7501 5 Reference concept For the input section the TDA7501 generates the internal reference voltage by multiplying the V33 voltage by 1.2575. The V33 voltage is also buffered and fed back to the CODEC where it is used to generate ...
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Digital interface 6 Digital interface The TDA7501 digital interface offers two different protocols: SPI and I2C. To select I2C-mode the SEL-pin has to beconnected to VDD. If the voltage at the SEL-pin is more than about 1V below the VDD ...
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TDA7501 7 SPI bus mode 7.1 Interface protocol The TDA7501 SPI interface protocol comprises : ● a subaddress and ● a sequence of n databytes each consisting of 8 bits (see The interface accepts both a positiv (Cpol = 1, ...
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I2C bus mode bus mode 8.1 Interface protocol The interface protocol comprises: ● a start condition (S) ● a chip address byte (write mode only) ● a subaddress byte ● a sequence of data (N-bytes + ...
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TDA7501 9 Software specification for both modes 9.1 Auto increment If bit I in the subaddress byte is set to "1", the autoincrement of the subaddress is enabled. 9.2 Reset condition A Power-On-Reset is invoked if the Supply-Voltage V dd ...
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Software specification for both modes Table 7. Input selector 1L..3R, bits D7 ..D3 (subaddresses 0..3) MSB ...
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TDA7501 Table 9. Input selector 1R, bits D2 ..D0 (subaddresses 1) MSB D7 D6 Table 10. Input selector 2L, bits D2 ..D0 (subaddresses 2) MSB D7 D6 Table 11. Input selector 2R, bits D2 ..D0 (subaddresses 3) MSB D7 D6 ...
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Software specification for both modes Table 12. Phone navigation (subaddress 4) MSB ...
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TDA7501 Table 13. Mode select (subaddress 5) MSB Table 14. Configuration (subaddress 6) MSB Software specification for both modes LSB ...
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Software specification for both modes Table 14. Configuration (subaddress 6) (continued) MSB Table 15. Output selector (subaddress 7) MSB 24/ ...
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TDA7501 Table 16. Volume speaker outputs (subaddresses 8...13) MSB Table 17. FM ...
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Software specification for both modes Figure 16. Test board diagram 10K 6.8K 3.3V 10μF 100nF CASSL 100nF CASSR 100nF CDL 100nF CDGND 100nF CDR 100nF PHONE+ 100nF PHONE- 100nF NAVI- 100nF NAVI+ 100nF FM 100nF AM 100nF MPX 100nF AM-IF ...
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TDA7501 10 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 ...
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Revision history 11 Revision history Table 18. Document revision history Date 21-Jun-2004 22-Jun-2004 9-Sep-2004 15-Dec-2004 17-Jan-2007 28/29 Revision 1 Initial release. 2 Minor revision, content edit. 3 Minor revision, content edit. 4 Minor revision, content edit. 5 Package changed, layout ...
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TDA7501 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 ...