TDA8961 datasheet(26/36 Pages) PHILIPS

26 / 36 page

2000 May 19

Philips Semiconductors

Objective speciﬁcation

ATSC Digital Terrestrial TV

demodulator/decoder

TDA8961

AC CHARACTERISTICS

VDD = 3.3 V; VSS =0V; Tamb =25 °C; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

System clock (pin XTALI)

fclk(sys)

system clock frequency

note 1

−

MHz

clk(sys)

system clock duty factor

note 1

−

A/D interface (pins ADIN[9 to 0] and ADCLK); see Fig.11

tsu(A/D)

A/D interface set-up time

−−

th(A/D)

A/D interface hold time

−−

Tcy(ADCLK)

ADCLK cycle time

27.8

−−

Transport stream interface (pins PDOCLK, PDO[7 to 0], PDOSYNC, PDOERR and PDOVAL)

tPDOCLKL(par)

transport stream interface

PDOCLK LOW time; parallel format

notes 2 and 3

166.7

−−

tPDOCLKH(par)

transport stream interface

PDOCLK HIGH time;

parallel format

notes 2 and 3

166.7

−−

Tcy(PDOCLK)(par) transport stream interface

PDOCLK cycle time; parallel format

notes 2 and 3

333.3

−−

tPDOVALH(par)

transport stream interface PDOVAL

HIGH time; parallel format

notes 3 and 4

62666.7

−−

tPDOVALL(par)

transport stream interface PDOVAL

LOW time; parallel format

note 3

−−

−

t

d(o)(par)

delay between transport stream

interface outputs PDO to PDOVAL,

PDOERR and PDOSYNC;

parallel format

note 3

−−

tPDOCLKL(ser)

transport stream interface

PDOCLK LOW time; serial format

notes 5 and 6

18.5

−−

tPDOCLKH(ser)

transport stream interface

PDOCLK HIGH time; serial format

notes 5 and 6

18.5

−−

Tcy(PDOCLK)(ser) transport stream interface

PDOCLK cycle time; serial format

notes 5 and 6

37.0

−−

tPDOSYNCH(ser)

transport stream interface

PDOSYNC HIGH time;

serial format

note 5

296.3

−−

tPDOVALH(ser)

transport stream interface PDOVAL

HIGH; serial format

notes 5 and 7

55703.7

−−

tPDOVALL(ser)

transport stream interface PDOVAL

LOW; serial format

note 5

−−

−

td(o)(ser)

delay between transport stream

interface outputs PDO to PDOVAL,

PDOERR and PDOSYNC;

serial format

note 5

−−

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