TDA4841 datasheet(24/60 Pages) PHILIPS

24 / 60 page

1999 Oct 25

Philips Semiconductors

Product speciﬁcation

I2C-bus autosync deﬂection controller for

PC monitors

TDA4841PS

Focus section: pin FOCUS; see Figs 15 and 28

tprecor

pre-correction of phase for

horizontal focus parabola

see Fig.28

−

300

−

see Fig.28

−

350

−

see Fig.28

−

400

−

see Fig.28

−

450

−

tW(hfb)(min)

minimum width of horizontal

ﬂyback pulse

1.9

−−µs

operation without

pre-correction

−

7.5

−µs

tW(hfb)(max)

maximum width of horizontal

ﬂyback pulse

−−

5.5

µs

VHFOCUS(p-p)

amplitude of horizontal focus

parabola (peak-to-peak value)

−

0.06

−

3.3

−

VVFOCUS(p-p)

amplitude of vertical parabola

(peak-to-peak value)

note 8

−

0.02

−

note 8

−

1.1

−

Vo(FOCUS)(max)

maximum output voltage

Io(FOCUS) = 0

6.15

6.4

6.65

Vo(FOCUS)(min)

minimum output voltage

Io(FOCUS) = 0

1.0

1.3

1.6

Io(FOCUS)(max)

maximum output current

±1.5

−−

CL(FOCUS)(max)

maximum capacitive load

−−

B+ control section; see Figs 25 and 26

TRANSCONDUCTANCE AMPLIFIER: PINS BIN AND BOP

Vi(BIN)

input voltage

−

5.25

Ii(BIN)(max)

maximum input current

−−±1

µA

Vref(int)

reference voltage at internal

non-inverting input of OTA

2.37

2.5

2.58

Vo(BOP)(min)

minimum output voltage

−−

0.5

Vo(BOP)(max)

maximum output voltage

Io(BOP) < 1 mA

5.0

5.3

5.6

Io(BOP)(max)

maximum output current

−±500

−µA

gm(OTA)

transconductance of OTA

note 11

Gv(ol)

open-loop voltage gain

note 12

−

CBOP(min)

minimum value of capacitor at

BOP (pin 3)

−−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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