KA7307D [SAMSUNG]
GENERAL DESCRIPTION; 概述
| 型号： | KA7307D |
| 厂家： | 
SAMSUNG |
| 描述： | GENERAL DESCRIPTION |
| 文件： | 总9页 (文件大小：153K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Preliminary
KA7307D
CDS/AGC
GENERAL DESCRIPTION
20 - SOP - 300
The KA7307 is a bipolar monolithic integrated
circuit for CCD Color Video Camera, and then
if provides functions of Correlated Double
Sampling, Automatic Gain Control, Window
Function, and Iris Amplifier Gain Control.
FEATURES
. Correlated Double Sampling (CDS)
. Automatic Gain Control (AGC)
. Low-pass-filter and Sample-and-Hold
circuit after AGC for external A/D
converters
ORERING INFORMATION
Device
Package
Operating Temperature
KA7307D
20-SOP-300
- 20°C ~ + 75 °C
. Window Function
. Iris Amplifer Gain Control
. + 5V Single power supply
. Low power < 330mW
BLOCK DIAGRAM
16
14
12
11
20
19
18
17
15
13
IRISCAP
-
COMP1
+
CLP
BLK
WND
GC1
-
COMP2
+
IRIS
AGCCAP
CONT
CLP1
CLP
SH1
SH2
PBLK
AGC
LPF
AGC S/H
XRS
BLK
SH3
XSHP
XSHD
1
2
3
4
5
6
7
8
9
10
1
VID-97-D002
February 1997
Preliminary
KA7307D
CDS/AGC
PIN DESCRIPTIONS
No.
Symbol
I/O
Pin Voltage
Description
Black Level
1
PG IN
I
2.3V ~ 2.9V
CCD Signal Input
2
3
DATA IN
AVCC
I
I
( Typ. : 2.6V )
Typ. : 5.0V
Supply Voltage
4
5
AGC CONT
IRIS CONT
I
I
AGC Gain Control
IRIS Gain Control
OV ~ 5V
GAIN CONTROL
Black Level
A Pin is used to attach
IRIS Clamp Capacitor
2.05V ~ 2.55V
( Typ. : 2.27V )
Black Level
6
7
8
9
IRIS CAP
IRIS OUT
AGC CAP
AGC OUT
O
O
O
O
IRIS Signal Output
1.2V ~ 1.7V
Signal Max. : > 2.0Vp-p
( Typ. : 1.45V )
Black Level
A Pin is used to attach
IRIS Clamp Capacitor
2.15V ~ 2.65V
( Typ. : 2.37V )
Black Level
AGC Signal Output
1.2V ~ 1.7V
Signal Max. : > 2.0Vp-p
( Typ. 1.45V )
10
11
AGND
O
O
-
-
Analog Ground
DGND2
Digital Ground 2
Sample - and - Hold Sig. Input
( Active Low )
H : > 4V
12
13
14
15
16
XRS
I
I
I
I
I
L : < 1V
H : > 4V
L : < 1V
High Speed Pulse
WND
PBLK
CLP1
CLP4
Input Pin for WINDOW ( Active Low )
Pre - Blanking Pulse
Input Pin ( Active Low )
Clamping Pulse 1
H : > 4V
L : < 1V
Input Pin ( Active High )
Clamping Pulse 4
Input Pin ( Active High )
Supply Voltage
17
18
DVCC
XSHD
I
I
Typ. : 5.0V
H : > 4V
L : < 1V
High Speed Pulse Input
Pin for Sampling / Hold ( Active Low )
19
20
XSHP
I
DGND1
O
-
Digital Ground 1
2
VID-97-D002
February 1997
Preliminary
KA7307D
CDS/AGC
°C
ABSOLUTE MAXIMUM RATINGS( Vcc = 5.0 V , Ta = 25
)
Characteristics
Supply Voltage
Symbol
Value
Unit
Vcc
Vi
7
V
V
Input Voltage
4.75 ~ 5.25
530
Power Dissipation
Operating Temperature
Storage Temperature
Pd
mW
°C
Topr
Tstg
- 20 ~ + 75
- 65 ~ + 150
°C
°C
ELECTRICAL CHARACTERISTICS( Vcc = 5.0 V , Ta = 25
)
Characteristics
Supply Current
Symbol
ICC
Test Condition
ALL PIN : OPEN
Iris out / Data in
Min
23
Typ Max Unit
41
59
mA
CONT MIN
GC1C MIN
GC1C MAX
-
- 6
- 4
dB
Iris CONT = 0.0V, WND >4.0V
GC1
Iris out / Data in
CONT MAX
14
18
-
-
dB
Iris CONT = Vcc, WND > 4.0V
Dta in = 400mVp - p
GC1 Gain max.
Iris out maximum
voltage swing
CDR
2.0
2.5
V
CG1 Amp. CMRR
CMR1
15.75KHz
-
-
- 50 - 36
dB
dB
AGC out / Data in
AGC CONT = 0.0V
CONT MIN
AGC
AGC1 MIN
6
8
-
AGC out / Data in
AGC CONT = Vcc
15.75KHz
CONT MAX
AGC1 MAX
CMRA
38
-
41
dB
dB
V
AGC Amp. CMRR
AGC out maximum
voltage swing
- 50 - 36
2.5
Dta in = 100mVp - p
ADR
2.0
-
AGC Gain max.
3
VID-97-D002
February 1997
Preliminary
KA7307D
CDS/AGC
OPERATING PRINCIPLES & METHODE
SAMPLE
CCD
CLAMP
&
BLK
&
GC1
IRIS OUT
OUT PUT
HOLD
SIGNAL
XSHP
XSHD
IRIS CONT
CLP1 PBLK
1. SIGNAL FORMAT
Reset Noise Level
Precharge Level
Data Level
CCD
OUTPUT
SIGNAL
Data Level
0 ~ 600mVpp
XSHP
( Precharge
Level S/H Pulse )
H>4V
L<1V
XSHD
( Data Level
S/H Pulse )
H>4V
L<1V
OUT PUT
Level
0 ~ 2.4Vpp
IRIS OUT
AGC OUT
4
VID-97-D002
February 1997
Preliminary
KA7307D
CDS/AGC
2. TIMING CHART FOR TESTING
DATA IN
Input Signal
20 ~ 600mVpp
2us
7us
H>4V
L<1V
CLP1. CLP4
PBLK. WND
H>4V
L<1V
Output Signal
10mVpp ~ 2.9Vpp
OUT PUT
( IRIS OUT
AGC OUT )
16us
16us
32us
32us
5
VID-97-D002
February 1997
Preliminary
KA7307D
CDS/AGC
CHARACTERISTICS GRAPH
°C
( Standard Control Characteristics ; ( Vcc = 5.0 V , Ta = 25
)
Input Control Voltage : 0 ~ 5V
Output Gain : - 6dB ~ 18dB
30
20
10
0
-10
0
4
1
2
3
5
IRIS CONT VOLTAGE [ V ]
Input Control Voltage : 0 ~ 5V
Output Gain : 6dB ~ 41dB
50
40
30
20
10
0
0
4
1
2
3
5
AGC CONT VOLTAGE [ V ]
6
VID-97-D002
February 1997
Preliminary
KA7307D
CDS/AGC
TEST CIRCUIT
-
+
A
A
A
A
A
A
A
SL
SR SL
SR
SW7
18
SL
SR SL
SW6
16
SR
SW5
SL
SR
SL
SR
SW8
SW4
20
19
17
15
14
13
12
11
IRISCAP
CLP
-
COMP1
+
GC1
IRIS CONT
BLK
WND
-
COMP2
+
AGCCAP
CLP1
CLP
SH1
SH2
SH3
XSHD
XSHP
AGC
LPF
AGC S/H
XRS
BLK
1
2
3
4
5
6
7
8
9
10
A
A
A
V
V
V
V
SW2
SWS1R SL
+
-
SL
SR
A
7
VID-97-D002
February 1997
Preliminary
KA7307D
CDS/AGC
APPLICATION CIRCUIT
TIMMING
GENERATOR
KS7213
KA7307D
0.1 uF
20
19
18
17
16
15
14
13
12
DGND1
1
PG IN
CCD
I. C
2
3
4
XSHP
XSHD
DATA IN
AVCC
0.1 uF
5.0 V
5.0 V
DVCC
CLP4
CLP1
PBLK
WND
XRS
AGC CONT
IRIS CON
IRIS CAP
IRIS OUT
AGC CAP
AGC OUT
AGND
0 ~ 5 V
5
6
7
0.1uF
8
9
0.1 uF
DL
10
DGND2 11
0.1 uF
DCP
KS7306
10 bit
D / A
IRIS DET.
Video Out
BUF & CLAMP
MICOM
10 bit
D / A
PACKAGE DIMENSION
8
VID-97-D002
February 1997
Preliminary
KA7307D
CDS/AGC
20-SOP-300
unit: mm
9
VID-97-D002
February 1997
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