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PDF HA118144AF Data sheet ( Hoja de datos )
| Número de pieza | HA118144AF | |
| Descripción | Video Camera CDS/AGC IC | |
| Fabricantes | ETC | |
| Logotipo |  |
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HA118144AF
Video Camera CDS/AGC IC
Description
The HA118144AF is a bipolar IC that was
developed to perform the analog signal processing
between the CCD and the ADC in a CCD camera,
and is optimal for use in CCD camera digital signal
processing systems.
Functions
• Correlated double sampling
• AGC
• Sample and hold
• Gain select
• Knee processing
• Serial interface control
Features
• Excellent suppression of CCD output lower
frequency noise by using clamp-type correlated
double sampling.
• A high S/N ration by using dual (pre- and
post-) AGC amplifiers and high sensitivity
based on increased coverage.
• Provides compensation for IC variations and
imaging device sensitivity variations with an 8
state gain select circuit.
• Allows the AGC, gain select, and knee control
to be controlled from the system micro-
processor over a serial interface.
1
1 page  
HA118144AF
HA118144AF
Pin Functions (cont)
Pin Pin
No. Name
41 SP2
Signal
Stan-
dard DC Signal Signal
Voltage Type Level
Sample & hold
pulse 2
S&H 5 VPP
pulse
42 SP1
Sample & hold
pulse 1
S&H 5 VPP
43 NC
44 INJECT IIL injector
45 NC
46 SDATA Serial data
input
47 SCK
Serial data
clock
48 NC
0.7 V DC 2.46 mA
Pulse 5 VPP
Pulse 5 VPP
Impedance Function Description
10 k Signal period sample and hold
pulse. Duty = 25%, phase
difference = 180° (with respect
to SP1).
10 k Field through period clamp
pulse. Duty = 25%, phase
difference = 180° (with respect
to SP2).
Bias current pin for internal
logic circuits. Leave open.
30 k Serial data input pin
30 k Serial clock pin. Period of
2 µs to 20 µs.
5
5 Page 
HA118144AF
HA118144AF
Electrical Characteristics (Ta = 25°C, VCC = 5 V, 9 V) (cont)
Item
AC items
AGC2 G (0)
AGC2 G (10)
AGC2 G (20)
AGC2 G (30)
AGC2 G (40)
AGC2 G (50)
AGC2 G (60)
AGC2 G (70)
SO1 gain
SO2 gain
Symbol
GA02
GA10
GA20
GA30
GA40
GA50
GA60
GA70
GS01
GS02
Min
–0.5
0.7
2.3
4.0
5.9
7.6
9.2
9.9
10.7
10.7
Gain ref pulse
BLK level
VGRP
VBLK
170
0.5
Knee compression ∆Gknee
ratio
2.6
Knee off
Knee off 0.8
Knee start point Kne start 0.15
Typ
0.5
1.5
3.1
4.8
6.7
8.4
10.0
10.7
12.2
12.2
210
0.6
3.8
0.9
0.25
Max
1.5
2.3
3.9
5.6
7.5
9.2
10.8
11.5
13.7
13.7
250
0.7
5.0
1.0
0.35
Units Test Conditions
Appli-
cable
Pins
dB Pins 21, 22, 41, 42:
5 VDC, Pins 27, 28:
dB Short knee max.
dB
28, 15
dB
dB
dB
dB
dB
dB Pins 21, 22, 41, 42:
dB 5 VDC, Pins 27, 28:
Short knee max.
28, 10
28, 9
mV Pins 41, 42: 5 VDC
2, 29
V Pins 27, 28: Short knee 21, 9
max.
dB 41, 42 pin 5 VDC
28, 15
Gknee max–Gknee min
V 41, 42 pin 5 VDC
knee min
V
11
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet HA118144AF.PDF ] | |
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