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PDF AN2125FHS Data sheet ( Hoja de datos )
| Número de pieza | AN2125FHS | |
| Descripción | Analog signal processing super single-chip IC | |
| Fabricantes | Panasonic | |
| Logotipo |  |
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ICs for Video Camera
AN2125FHS
Analog signal processing super single-chip IC for CCD camera
I Overview
The AN2125FHS is a super single-chip IC,
working as an image signal processing circuit for
CCD camera including Y/C mix, 75-Ω driver, and
sub-carrier generation functions as well as luminance
signal processing, color difference signal process-
ing functions and an encoder.
Moreover, the AN2125FHS includes auto-white-
balance control circuits, operational amplifiers for
AGC, and automatic read-out function from
EEPROM at power-on sequence, and DACs for ad-
justment, therefore a CCD camera system without a
microcomputer can be constructed by only additional
EEPROM.
I Features
• For 510H (250 000 pixels) CCD
• NTSC/PAL compatible
• On-chip FH lock system (sub-carrier generation)
• On-chip automatic read-out function from
EEPROM data at power-on
• On-chip DAC for adjustment (8 bits, 32 channels)
• On-chip circuit for external synchronization
• On-chip comparator for electronic iris
102
103
23.20±0.30
20.00±0.20
65
64
Unit: mm
128
1
(0.75)
39
38
0.50
0.18+–00..105
Seating plane
QFH128-P-1420
0° to 10°
0.80±0.20
Note) The package of this product will be changed to lead-free type
(QFH128-P-1420E). See the new package dimensions section
later of this datasheet.
I Applications
• General CCD cameras including monitor cameras,
board cameras, video cameras, videophones, video
conference systems, and PC input camera
Publication date: December 2001
SDB00046BEB
1
1 page  
AN2125FHS
I Recommended Operating Range
Parameter
Symbol
Supply voltage
VCC
Range
4.5 to 5.1
Unit
V
I Electrical Characteristics at Ta = 25°C ± 2°C
Parameter
Symbol
Conditions
Min Typ Max
Circuit current
Reference voltage 1
ITOT
VREF
VCC = 4.8 V
VCC = 4.8 V
Output voltage of pin 115
90 120 150
1.66 1.76 1.86
Reference voltage 2
Pulse separation CPOB
Pulse separation PBLK
VDD VCC = 4.8 V
3.21 3.38 3.55
VCPOB VCC = 4.8 V
3.3 3.6 3.9
Voltage of pin 124 is increased from
0 V. Voltage of pin 124 when the
voltage of pin 100 changes from the
low-level to VREF .
VPBLK VCC = 4.8 V
1.55 1.8 2.05
Voltage of pin 100 and voltage of pin
125 are increased from VREF + 1 V
and from 0 V, respectively.
Voltage of pin 125 when the voltage
of pin 99 is reduced by 1 V from the
high-level.
Pulse separation CP2
Pulse separation CBLK
Pulse separation FH/2
VCP2 VCC = 4.8 V
3.6 3.9 4.2
Voltage of pin 125 is increased from
0 V. Voltage of pin 125 when the
voltage of pin 92 changes from the
low-level to VREF .
VCBLK VCC = 4.8 V
0.6 0.8 1.0
Voltage of pin 92 and voltage of pin
125 are increased from VREF + 1 V
and from 0 V, respectively. Voltage
of pin 125 when the voltage of pin 83
is reduced by 0.5 V or more from
the high-level. (VREF + 1 V)
VFH2 VCC = 4.8 V
1.15 1.4 1.65
Voltage of pin 103, voltage of pin 100
and voltage of pin 8 are increased
from VREF , VREF + 1 V, and 0 V,
respectively.
Voltage of pin 8 when the voltage of
pin 99 is reduced by 1 V from the
high-level.
Unit
mA
V
V
V
V
V
V
V
SDB00046BEB
5
5 Page 
I Terminal Equivalent Circuits
Pin No. Pin name
1 N.C.
2 N.C.
3 N.C.
4 ELCDET IN
Equivalent circuit
15 µA
7.4 kΩ
4
AN2125FHS
Description
Comparator detection signal input for ELC
5 ALCOUT
6 WBLK IN
7 GND
8 FH2 IN
Output for iris detection
× 20 × 2
5 40 µA
350 Ω
6
7 kΩ
120 µA
120 µA
Iris signal gate pulse input
VDD
6 kΩ
8
Ground for signal processing system
Color-difference-signal synchronizing-
pulse input
9 ELC −H
350 Ω
9
15 µA
Comparator "H" threshold for ELC
SDB00046BEB
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AN2125FHS.PDF ] | |
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