TDA4887PS datasheet(19/68 Pages) PHILIPS

19 / 68 page

2001 Oct 19

Philips Semiconductors

Product speciﬁcation

160 MHz bus-controlled monitor video

preampliﬁer

TDA4887PS

Output clamping; internal feedback (of signal outputs) reference voltage for AC coupling;

see Fig.13 and note 28

Vbl(n)(ref)

reference black level

voltage/pedestal black level

voltage (pins 22, 19 and 16)

VHFB > 3.5 V; FPOL = 1

00H (minimum)

0.47

0.53

0.59

0FH (maximum)

1.83

1.89

1.95

DAC output voltages for AC coupling; FB/R1, FB/R2 and FB/R3 (pins 23, 20 and 17); see Fig.14 and note 29

VFB/Rn

DAC output voltage (without

brightness control)

FFH; FPOL = 1; BRI = 0

3.7

3.95

4.1

00H; FPOL = 1; BRI = 0

5.6

5.75

5.9

DAC output voltage (with

brightness control, see also

brightness control

∆V

DA(n))

FFH; FPOL = 1; BRI = 1;

maximum brightness

2.3

2.55

2.7

00H; FPOL = 1; BRI = 1;

minimum brightness

5.6

5.75

5.9

RFB/Rn

output resistance

FPOL = 1

−

100

−Ω

IFB/Rn(sink)(max)

maximum sink current

FPOL = 1

−−

400

µA

IFB/Rn(source)(max)

maximum source current

FPOL = 1

−−200

−µA

I2C-bus inputs; SDA (pin 12), SCL (pin 13); note 30

fSCL

SCL clock frequency

−−

100

kHz

VIL

LOW-level input voltage

−

1.5

VIH

HIGH-level input voltage

−

IIL

LOW-level input current

VIL =0V

−10

−−

µA

IIH

HIGH-level input current

VIH =5V

−10

−−

µA

VOL

LOW-level output voltage

during acknowledge

−

0.4

ISDA(ack)

SDA output current (pin 12)

during acknowledge

VOL = 0.4 V

−−

VOL = 0.6 V

−−

to(f)

output fall time

VSDA = 3 to 1.5 V; bus

capacitance CSDA = 400 pF

−−

250

Vth(POR)(r)

threshold for Power-on reset

rising supply voltage

−

1.5

2.0

falling supply voltage

−

3.5

−

Vth(POR)(f)

threshold for Power-on reset

off

rising supply voltage

−−

falling supply voltage

−

1.5

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

TDA4887PS Datasheet(PDF) 19 Page - NXP Semiconductors

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