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TDA7553STN/a9avaiDIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS


TDA7553 ,DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONSAPPLICATIONSPRODUCT PREVIEW24-BIT, FIXED POINT, 50 MIPS DSP CORELARGE ON-BOARD PROGRAM ROM ANDDATA ..
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TDA7562 ,MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURESELECTRICAL CHARACTERISTICS (Refer to the test circuit, VS = 14.4V; RL = 4Ω; f = 1KHz;Tamb = 25°C; u ..
THS4120IDGN ,3.3 V, 100 MHz, 43 V/us, Fully Differential CMOS Amplifier w/Shutdownmaximum ratings” may cause permanent damage to the device. These are stress ratingsonly, and functi ..
THS4120IDGNR ,3.3 V, 100 MHz, 43 V/us, Fully Differential CMOS Amplifier w/ShutdownSLOS319D–FEBRUARY 2001–REVISED OCTOBER 2004
THS4120IDR ,3.3 V, 100 MHz, 43 V/us, Fully Differential CMOS Amplifier w/ShutdownELECTRICAL CHARACTERISTICS(1)V = 3.3 V, R = 800 Ω, T = 25°C (unless otherwise noted)DD L APARAMETER ..
THS4121CD ,3.3 V, 100 MHz, 43 V/us, Fully Differential CMOS AmplifierMAXIMUM RATINGS(1)over operating free-air temperature range (unless otherwise noted)UNITSupply volt ..
THS4121CDGK ,3.3 V, 100 MHz, 43 V/us, Fully Differential CMOS Amplifiermaximum ratings” may cause permanent damage to the device. These are stress ratingsonly, and functi ..
THS4121IDGK ,3.3 V, 100 MHz, 43 V/us, Fully Differential CMOS AmplifierSLOS319D–FEBRUARY 2001–REVISED OCTOBER 2004These devices have limited built-in ESD protection. The ..


TDA7553
DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS
girrg;=ra'
TDA7550/R TDA7551
TDA7552 TDA7553
DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND
AUDIO APPLICATIONS
n 24-BIT, FIXED POINT, 50 MIPS DSP CORE
tr LARGE ON-BOARD PROGRAM ROM AND
DATA RAM (UP TO 16Kw ROM/RAM AND
16Kw RAM)
a INTEGRATED STEREO AID AND D/A, 16-BIT
SIGMA-DELTA
n PROGRAMMABLE CODEC SAMPLE RATE
FROM4TO 48 kHz
gr ON-BOARD PLL FOR CORE CLOCK AND
CONVERTERS
n MANAGEMENT OF EXTERNAL
FLASH/SRAM/DRAM MEMORY BANK
n ft OR SPI SERIAL INTERFACE FOR EX-
TERNAL CONTROL
n 80-PIN TQFP, 0.65 mm PITCH
n AUTOMOTIVE GRADE (FROM MO'' C to
+85°C)
DESCRIPTION
The TDA755X family is a high performances, fully
programmable 24-bit, 50 MIPS Digital Signal
BLOCK DIAGRAM
PRODUCT PREVIEW
'iittt,t,3sjis'
TQFP80
Processor (DSP), designed to support several
speech and audio applications, as Automatic
Speech Recognition, Speech Synthesis, Speaker
Verification, Echo and Noise Cancellation. Soft-
ware for these applications is licenced by Lernout
& Hauspie and NCTI.
It offers an effective solution for this kind of appli-
cations because of the A/D and D/A converters
and the big amount of memory integrated on chip.
MULTIPLEXED BUS
I2C/SPI FLASH
PORT INTERFACE
ROM/RAM
ANALOG OUT
ANALOG IN
D99AU 1020A
September 1999
This is preliminary information on a new product now in development. Details are subject to change without notice.
TDA7550R - TDA7550 - TDA7551 - TDA7552 - TDA7553
APPLICATIONS compression, echo cancelling, noise cancelling,
. . . . . speakerverification.
Real time digital speech and audio processmg:
speech recognition, speech synthesis, speech
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VDDP Pads DC Supply Voltage -0.3 to VDD +0.3 V
VD, VIN Digital or Analog Input Voltage -02 to VDD.» +0.3 V
Top Operating Temperature Range -40 to +85 °C
Tstg Storage Temperature Range -55 to +150 °C
Ptot Total Maximum Power Dissipation mW
PIN CONNECTION
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EMI_ADsE 1 C) 60 Cl CGNDA
EMI_AD6 E 2 59 Cl VINL
VDD E 3 58 Cl VINR
GND E 4 57 Cl GND
EMI_AD7 E 5 56 Cl VDD
EMI_A8 L 6 55 Cl VOUTL
EMI_A7 E 7 54 Cl VOUTR
EMI_A10 E 8 53 Cl CVDD
EMI_A11 E 9 52 :ICGND
EMI_A12 E 10 51 Cl GPIO3
EMI_A13 E 11 50 Cl GPIOG
EMI_A14 L 12 49 Cl GPIO2
EMI_A15 E 13 48 Cl GND
VDD E 14 47 Cl VDD
GND E 15 46 Cl SDA/SS
EMI_A16 E 16 45 Cl SCL/SCK
EMI_A17 E 17 44 Cl INTN
EMI_A18 E 18 43 Cl NRESET
EMI_A19 E 19 42 Cl DBRQN
EMI_A20 E 20 41 J DBOUT
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