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| TDA4857PS Datasheet, PDF (42/56 Pages) NXP Semiconductors – I2C-bus autosync deflection controller for PC monitors | |||
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Philips Semiconductors
I2C-bus autosync deï¬ection controller for
PC monitors
Product speciï¬cation
TDA4857PS
handbook, full pagewidth
VXRAY
X-ray latch triggered
VHUNLOCK
BDRV duty cycle
HDRV duty cycle
floating
floating
MHB657
Fig.26 Activation of the soft-down sequence via pin XRAY.
Vertical linearity error
handbook, halfpIaVgOe UT(1)
(µA)
+415
I1(2)
MBG551
0
I2(3)
â415
(1) IVOUT = IVOUT1 â IVOUT2.
(2) I1 = IVOUT at VVCAP = 1.9 V.
(3) I2 = IVOUT at VVCAP = 2.6 V.
(4) I3 = IVOUT at VVCAP = 3.3 V.
Which means: I0 = I--1----2â-----I--3-
Vertical linearity error =
1 â max

ï£
-I-1----Iâ--0---I--2-
or
I--2----Iâ--0---I--3-
I3(4)
VVCAP
Fig.27 Definition of vertical linearity error.
2000 Jan 31
42
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