TDA4780 Datasheet, PDF (37/44 Pages) NXP Semiconductors – RGB video processor with automatic cut-off control and gamma adjust

Philips Semiconductors
RGB video processor with automatic
cut-off control and gamma adjust
PIN
PIN NAME
(DESCRIPTION)
22 green output
WAVE FORM
BCOF = 0
1st line
sawtooth
cut-off
signal
measurement
pulse
brightness
I or Z
5 mA
ultra black
MGE919
5 mA
BCOF = 1
MOD2 = 0
brightness
2.5 V
BCOF = 1
MOD2 = 1
MGE920
5 mA
23 green cut-off
storage capacitor
2.5 V
MGE921
during cut-off control or during
output clamping
OB
−300 µA to
+300 µA
Preliminary specification
TDA4780
INTERNAL CIRCUIT
22
5 mA
+
ESD
protection
22
MGE922
2.5 V
23
5 kΩ
+
ESD
protection
23
MGE923
1997 Feb 06
37