PNX3000HL 查看數據表（PDF） - Philips Electronics

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PNX3000HL

Analog front end for digital video processors

Philips Electronics 

Philips Semiconductors

Analog front end for digital video

processors

Preliminary specification

PNX3000

SYMBOL

PARAMETER

CONDITIONS

MIN.

Video switches

CVBS AND YC SWITCHES

Vi(CVBS/Y)(p-p) CVBS or Y input voltage

−

(peak-to-peak value)

Vi(CVBS/Y)(clip) CVBS or Y clipping level black-to-peak video

−

Ii(CVBS/Y)

CVBS or Y input current outside clamp pulse

−

during clamp pulse

−10

αsup(CVBSn) suppression of

note 10

50

non-selected CVBS input

signal

Vi(C)(p-p)

chrominance input voltage 100 % colour bar; note 3

−

(peak-to-peak value)

Zi(C)

chrominance input

−

impedance

VIDEO IDENT FUNCTION

Vsync(min)

minimum sync pulse

amplitude

td(ident)

delay time of identification

70

I2C-bus status bit VID = 1; after −

the Video IF AGC has

stabilized on a new transmitter

ANALOG CVBS OUTPUTS: PINS CVBSOUTA AND CVBSOUTB

Zo

Vo(p-p)

output impedance

−

output signal amplitude at input signal of 1.0 V (p-p) −

(peak-to-peak value)

VO

DC output level

top sync

−

output muted

−

DIGITAL OUTPUTS

CVBS/Y signal

nd(black)

decimal digital output level black clamp mode

−

for black

nd(white)

decimal digital output level nominal input signal

−

for white

C signal

nd(black)

decimal digital output level

480

for black

nd(p-p)

decimal digital output

nominal input level; 100 %

−

amplitude (peak-to-peak colour bar

value)

TYP. MAX. UNIT

1.0

1.76

V

1.33

−

V

0

−

µA

−

+10

µA

−

−

dB

885

1 264

mV

50

−

kΩ

100

140

mV

−

10

ms

−

250

Ω

2.0

−

V

0.4

−

V

0.5

−

V

240

−

652

−

512

544

520

−

2004 Oct 04

30

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