CXA1592Q/R
Pin No.
Symbol
Pin voltage
Equivalent circuit
Description
Inputs CT (chroma titler) pulse.
This signal prevents the
application of chroma
suppress during the titler
signal period.
VTH is at 2.5V. Input a pulse
with an amplitude larger than
VTH ±0.5V.
AVCC
1k
5V
140
12
12
CTBLK
0V
80µA
AGND
AVCC
Selected NTSC, PAL or
NTSC × 2, PAL × 2 modes.
0V : NTSC × 1 Normal
burst
2.5V: NTSC × 2 Analog
burst
3.5V: PAL × 2 Analog
burst
5V : PAL × 1 Normal
burst
1k
140
13
14
15
16
MODE
CSAGC
CSY
0V
13
60µA
AGND
AVCC
1k
140
Suppresses chroma signal at
the AGC gain control signal.
3V (100%) to 4.2V (50%)
14
0V
40µA
AGND
AVCC
2k
Suppresses chroma signal at
the Y signal.
200mV (100%) to 700mV
(0%)
Inputs at C cut. Clamped
internally.
1k
140
15
2.4V
140
10µA
AGND
AVCC
200
Chroma signal output pin.
Output as rectangular waves.
COUT
2.8V
16
1500µA
AGND
– 4 –
SONY [ SONY CORPORATION ]
