TDA7427D Datasheet TDA7427D | P16-P18

IF COUNTER REFERENCE CONTROL 2 (MSB) AND IF COUNTER MODE SELECT

MSB LSB FUNCTION

D7 D6 D5 D4 D3 D2 D1 D0

00000000MSB=0

0 0 0 0 0 0 0 1 MSB = 256

0 0 0 0 0 0 1 0 MSB = 512

1 1 1 1 0 1 MSB = 15616

1 1 1 1 1 0 MSB = 15872

1 1 1 1 1 1 MSB = 16128

0 0 NOT USED IN APPLICATION MODE

0 1 IF counter FM mode

1 0 IF counter AM mode

1 1 IF counter AM 10.7MHz upconversion mode

IFCM1 IFCM0 IRC13 IRC12 IRC11 IRC10 IRC9 IRC8 Bitname Subaddress = 07H

fosc/ftim = LSB + MSB + 1

IF COUNTER CONTROL 1

MSB LSB FUNCTION

D7 D6 D5 D4 D3 D2 D1 D0

0 0 0 don’t use

0 0 1 don’t use

011EWdeltaf=

6.25kHz (FM);

1kHz(AM; AM-UPC)

100EWdeltaf=±12.5kHz (FM); ±2kHz (AM; AM-UPC)

1 0 1 EW delta f = ±25kHz (FM); ±4kHz(AM; AM-UPC)

1 1 0 EW delta f = ±50Hz (FM); ±8kHz (AM; AM-UPC)

111

EW delta f =

100kHz (FM);

16kHz (AM; AM-

UPC)

X X X X don’t use

0 IF counter disabled / stand by

1 IF counter enabled

FENA FR3 FR2 FR1 FR0 EW2 EW1 EW0 Bit name Subaddress = 08H

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IF COUNTER CONTROL 2

MSB LSB FUNCTION

D7 D6 D5 D4 D3 D2 D1 D0

00000fcenter = 10.60000MHz (FM) 448KHz (AM) 10.688MHz (AM UPC)

00001fcenter = 10.60625MHz (FM) 449KHz (AM) 10.689MHz (AM UPC)

00010fcenter = 10.61250MHz (FM) 450KHz (AM) 10.690MHz (AM UPC)

00011fcenter = 10.61875MHz (FM) 451KHz (AM) 10.691MHz (AM UPC)

00100fcenter = 10.62500MHz (FM) 452KHz (AM) 10.692MHz (AM UPC)

00101fcenter = 10.63125MHz (FM) 453KHz (AM) 10.693MHz (AM UPC)

00110fcenter = 10.63750MHz (FM) 454KHz (AM) 10.694MHz (AM UPC)

00111fcenter = 10.64375MHz (FM) 455KHz (AM) 10.695MHz (AM UPC)

01000fcenter = 10.65000MHz (FM) 456KHz (AM) 10.696MHz (AM UPC)

01001fcenter = 10.65625MHz (FM) 457KHz (AM) 10.697MHz (AM UPC)

01010fcenter = 10.66250MHz (FM) 458KHz (AM) 10.698MHz (AM UPC)

01011fcenter = 10.66875MHz (FM) 459KHz (AM) 10.699MHz (AM UPC)

01100fcenter = 10.67500MHz (FM) 460KHz (AM) 10.700MHz (AM UPC)

01101fcenter = 10.68125MHz (FM) 461KHz (AM) 10.701MHz (AM UPC)

01110fcenter = 10.68750MHz (FM) 462KHz (AM) 10.702MHz (AM UPC)

01111fcenter = 10.69375MHz (FM) 463KHz (AM) 10.703MHz (AM UPC)

10000fcenter = 10.70000MHz (FM) 464KHz (AM) 10.704MHz (AM UPC)

10001fcenter = 10.70625MHz (FM) 465KHz (AM) 10.705MHz (AM UPC)

10010fcenter = 10.71250MHz (FM) 466KHz (AM) 10.706MHz (AM UPC)

10011fcenter = 10.71875MHz (FM) 467KHz (AM) 10.707MHz (AM UPC)

10100fcenter = 10.72500MHz (FM) 468KHz (AM) 10.708MHz (AM UPC)

10101fcenter = 10.73125MHz (FM) 469KHz (AM) 10.709MHz (AM UPC)

10110fcenter = 10.73750MHz (FM) 470KHz (AM) 10.710MHz (AM UPC)

10111fcenter = 10.74375MHz (FM) 471KHz (AM) 10.711MHz (AM UPC)

11000fcenter = 10.75000MHz (FM) 472KHz (AM) 10.712MHz (AM UPC)

11001fcenter = 10.75625MHz (FM) 473KHz (AM) 10.713MHz (AM UPC)

11010fcenter = 10.76250MHz (FM) 474KHz (AM) 10.714MHz (AM UPC)

11011fcenter = 10.76875MHz (FM) 475KHz (AM) 10.715MHz (AM UPC)

11100fcenter = 10.77500MHz (FM) 476KHz (AM) 10.716MHz (AM UPC)

11101fcenter = 10.78125MHz (FM) 477KHz (AM) 10.717MHz (AM UPC)

11110fcenter = 10.78750MHz (FM) 478KHz (AM) 10.718MHz (AM UPC)

11111fcenter = 10.79375MHz (FM) 479KHz (AM) 10.719MHz (AM UPC)

1 1 1 tsample = 160µs (FM mode); 1ms (AM; AM-UPC)

1 1 0 tsample = 320µs (FM mode); 2ms (AM; AM-UPC)

1 0 1 tsample = 640µs (FM mode); 4ms (AM; AM-UPC)

1 0 0 tsample = 1.280ms (FM mode); 8ms (AM; AM-UPC)

0 1 1 tsample = 2.560ms (FM mode); 16ms (AM; AM-UPC)

0 1 0 tsample = 5.120ms (FM mode); 32ms (AM; AM-UPC)

0 0 1 tsample = 10.240ms (FM mode); 64ms (AM; AM-UPC)

0 0 0 tsample = 20.480ms (FM mode); 128ms (AM; AM-UPC)

IFS2 IFS1 IFS0 CF4 CF3 CF2 CF1 CF0 bit same Subaddress = 09H

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OSCILLATORADJUST

MSB LSB FUNCTION

D7 D6 D5 D4 D3 D2 D1 D0

X X X 0 0 0 0 0 Cload 1,2 = 3pF

X X X 0 0 0 0 1 Cload 1,2 = 4.25pF

X X X 0 0 0 1 0 Cload 1,2 = 5.5pF

X X X 0 0 0 1 1 Cload 1,2 = 6.75pF

X X X 0 0 1 0 0 Cload 1,2 = 8pF

X X X 0 0 1 0 1 Cload 1,2 = 9.25pF

X X X 0 0 1 1 0 Cload 1,2 = 10.5pF

X X X 0 0 1 1 1 Cload 1,2 = 11.75pF

X X X 0 1 0 0 0 Cload 1,2 = 13pF

X X X 0 1 0 0 1 Cload 1,2 = 14.25pF

X X X 0 1 0 1 0 Cload 1,2 = 15.5pF

X X X 0 1 0 1 1 Cload 1,2 = 16.75pF

X X X 0 1 1 0 0 Cload 1,2 = 18pF

X X X 0 1 1 0 1 Cload 1,2 = 19.25pF

X X X 0 1 1 1 0 Cload 1,2 = 20.5pF

X X X 0 1 1 1 1 Cload 1,2 = 21.75pF

X X X 1 0 0 0 0 Cload 1,2 = 23pF

X X X 1 0 0 0 1 Cload 1,2 = 24.25pF

X X X 1 0 0 1 0 Cload 1,2 = 25.5pF

X X X 1 0 0 1 1 Cload 1,2 = 26.75pF

X X X 1 0 1 0 0 Cload 1,2 = 28pF

X X X 1 0 1 0 1 Cload 1,2 = 29.25pF

X X X 1 0 1 1 0 Cload 1,2 = 30.5pF

X X X 1 0 1 1 1 Cload 1,2 = 31.75pF

X X X 1 1 0 0 0 Cload 1,2 = 33pF

X X X 1 1 0 0 1 Cload 1,2 = 34.25pF

X X X 1 1 0 1 0 Cload 1,2 = 35.5pF

X X X 1 1 0 1 1 Cload 1,2 = 36.75pF

X X X 1 1 1 0 0 Cload 1,2 = 38pF

X X X 1 1 1 0 1 Cload 1,2 = 39.25pF

X X X 1 1 1 1 0 Cload 1,2 = 40.5pF

X X X 1 1 1 1 1 Cload 1,2 = 41.75pF

- - - OSC4 OSC3 OSC2 OSC1 OSC0 Bit name Subaddress = 0AH

PORT EXTENSION CONTROL

MSB LSB FUNCTION

D7 D6 D2 D0

0 CMOS push-pull DOUT1 low

1 CMOS push-pull DOUT1 high

0 NPN opencollector DOUT3 inactive

1 NPN opencollector DOUT3 active

0 0 always ”0” in application mode

- - DOUT3 DOUT1 Bit name Subaddress = 0BH

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P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21

TDA7427D

Mfr. #:

Buy TDA7427D

Manufacturer:

STMicroelectronics

Description:

Audio DSPs AM/FM Radio Freq Syn

Lifecycle:

New from this manufacturer.

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TDA7427D