Panasonic AN2458SH Datasheet

AN2458SH
Color Encoder IC (NTSC/PAL) for CCD Video Camera
Overview
The AN2458SH is a color encoder IC for NTSC/ PAL-compatible CCD video camera. It outputs chro­ma signal after modulation of inputted R–Y and B–Y color difference signals with subcarrier signals.
1
Unit:mm
24
0.50.2±0.1
6.5±0.3
Features
• Compatible with NTSC and PAL
• Carrier leak adjustment available
• Color phase adjustment available
• Improved temperature characteristics of color phase shift (within ±5˚C)
Block Diagrams
R–Y IN
V
REF
24 23 22 21 20 19 18 17 16 15 14 13
V
REF
R–Y
R–Y SC
OFF
NC
MODClamp
+
HUE Cont.
BF IN
DC.
Cont. C
DC Cont.
12
0.1±0.1
(0.5)
24-Pin SSOP Package (SSOP024-P-0300)
BLK. IN
BLK V
CP2
5.5±0.3
7.5±0.3
NC
VCCCP2. IN
BLKLim.
BLK
13
0.65±0.1
1.5±0.2
+ 0.1
– 0.05
0.15
0.65±0.1
CP2
CC
HUE
HUE.
CR
MOD GC
BURST
LEVEL
NC
Clamp MOD
CP2
123456789101112
B–Y IN
GND
NC
B–Y OFF
GC
B–YSC90.
ADJ
+
HUE.C
+
CHROMA OUT
HUE.R
Absolute Maximum Ratings
Parameter Symbol Rating Unit Supply voltage Supply current Power dissipation Operating ambient temperature Storage temperature
Note 1)
Note 1)
V
CC
I
CC
P
D
T
opr
T
stg
Note 1) Ta=25˚C except operating ambient temperature and storage temperature.
Recommended Operating Range (Ta=25˚C)
Parameter Symbol Range Operating supply voltage range
V
CC
Electrical Characteristics (Ta=25±2˚C)
Parameter minCondition typ max UnitSymbol Supply current CP2 threshold 1 CP2 threshold 2 BLK threshold
Terminal voltage Pin5 Terminal voltage Pin11 Terminal voltage Pin20
R–Y GAIN
B–Y GAIN
CHROMA CLIP
BLK CONTROL
BURST GC (1)
BURST GC (2)
BURST GC (3)
BURST PHASE (1)
BURST PHASE (2)
V V
V
I
TH (CP2–1)
TH (CP2–2)
TH (BLK)
V V V
G
G
G
G
G
G
G
CC
5
11
20
V1
V2
V3
V4
V5
V6
V7
θ1
θ2
V
4.8V, V
CC=
V
CC=
V
CC=
V
CC=
V
CC=
diffrence from V V
CC=
V
CC=
diffrence from V V
CC=
250mV V
CC=
250mV V
CC=
600mV V
CC=
250mV BLK=3V
V
CC=
V
9=
V
CC=
V
9=VREF±
V
CC=
V
9=VREF
V
CC=
V
19=VREF+
V
CC=
V
19=VREF
4.8V, V
4.8V, V
4.8V, V
4.8V, V
4.8V, V
4.8V, V
4.8V, V
P–P
4.8V, V
P–P
4.8V, V
P–P
4.8V, V
P–P
4.8V, V
V
REF
4.8V, V
4.8V, V
4.8V, V
4.8V, V
input
input
input
input
OP
0.5V
0.5V
0.5V
0.5V
REF= REF= REF=
REF= REF=
REF= REF=
REF=
REF=
REF=
REF=
REF=
REF=
REF=
REF=
REF=
1.8V
1.8V
1.8V
1.8V
1.8V
REF
1.8V
1.8V
REF
1.8V
1.8V
1.8V
1.8V
1.8V
1.8V
1.8V
1.8V
1.8V
5.5 V 25
120
–20 to +75
–55 to +125
4.6V to 5.0V
12.0
16.0020.0
1.5 1.8 2.1 V
2.0 2.4 2.8 V
1.9 2.2 2.5 V
–100
1.8 2.3 2.8 V
–100 0 100 mV
480 600 720 mV
–7.0 –5.5 –3.5 dB
0.5 3.0 4.5 dB
300 600 900 mV
290 350 430 mV
1.5 3.0 4.5 dB
–6.0 –4.5 –2.5 dB
–45 –30 –15 deg
01530deg
mA
mW
˚C ˚C
100mAmV
P–P
P–P
P–P
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