View KA7302D_785738.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

KA7302D
GENERAL DISCRIPTION
CDS, AGC, GAMMA CORRECTION
30-SSOP-375
The KA7302D is a bipolar monolithic integrated circuit for CCD Color Video Camera, and then it provides functions of Correlated Double Sampling, Automatic Gain Control and Gamma Correction.
FEATURES
* CDS ( Correlated Double Sampling ) * AGC ( Automatic Gain Control ) * Gamma Compensation * +5V Single Power Supply * Low Power < 400 mW * Dual Power Down Mode - AGC Part stand by mode ( AGC OUT : GND ) * Maxmum Operational Frequency > 20 MHz
ORDERING INFORMATION
Device KA7302D Package 30-SSOP-375 Operating Temperature -20C ~ +75 C
BLOCK DIAGRAM
GAMMA OUT
CDS OUT
CDS CAP
GAM CAP
CLP1
CLP4
DGND
REFV
PBLK
30
29
28
27
REV
26
25
24
23
22
21
20
SOB
19
18
17
16
GC1
CLP
BLK
BUF
AGC
C O M P 1 C O M P 2
BLK CLP
GC2
BUF
AGC OUT
B U F CLP GC3
AGC CAP
SH3
SH2 6dB SH1
C_GAMMA
BUF CLP DLY
Y_GAMMA GAMCON
VCC
MIX
SHD
SHP
BPF
GAMCON
1
XSHD
2
XSHP
3
DATA IN
4
PG IN
5
AGND1
6
AGC CONT
7
CDS GC
8
C_GAM CONT
9
TRAP1
10
TRAP2
11
GAMMA GC
AGND2
SO
12
AGC GC
13
DLY1
14
DLY2
15
Y_GAM CONT
KA7302D
PIN DESCRIPTION
No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Symbol XSHD XSHP DATA IN PG IN AGND1 AGC CONT CDS GC1 C CONT TRAP1 TRAP2 GC3 AGC GC2 DLY1 DLY2 Y CONT AGC OUT AGND2 VCC CAP SOB SO CDS OUT OUT AGC CAP CDS CAP DGND REFV CLP4 PBLK CLP1 I/O I I I I I I I O I I I I O I O O O O O O O O O I I I
CDS, AGC, GAMMA CORRECTION
Description Sample & Hold DATA Pulse Sample & Hold Pre - Charge Pulse CCD Signal Input CCD Signal Input Analog Ground AGC Gain Control CDS Gain Control C _ Gamma Control A Luminance trap filter is tied between this pin & Trap2 Y _ Gamma Control GC3 Gain Control GC2 Gain Control Output for Delay (Chroma Signal) Input for Delay (Chroma Signal) Y Gamma Curve Control AGC Signal Output Analog Ground Power Supply Gamma Clamp Capacitor Connected to BPF Connected to BPF CDS Signal Output Gamma Signal Output AGC Clamp Capacitor CDS Clamp Capacitor Digital Ground Reference Voltage Output Clamp Pulse 4 Input Pre - Blarking Pulse Input Clamp Pulse 1 Input
* HIGH(H): 4.0V ,
Active LOW LOW
HIGH LOW HIGH
LOW(L): 4.0V
ABSOLUTE MAXIMUM RATINGS(Ta = 25C)
Characteristic
Power Source Voltage Power Dissipation Operating Temperature Storage Temperature
Symbol
Vcc Pd Topr Tstg
Value
7 900 -20 ~ 75 -65 ~ 150
Unit
V mW C C
RECOMMANDED OPERATING CONDITIONS(Ta = 25C)
Characteristic
Supply Voltage
Symbol
Vcc
Value
4.5 ~ 5.5
Unit
V
KA7302D
ELECTRICAL CHARACTERISTICS
( Vcc = 4.5 ~ 5.5 V , Ta = 25 C ) Symbol ICCR1 ICC1 GC1 CONT.Min GC1 CONT.Max CDS OUT Maximum Voltage Swing GC1 AMP CMPR GC1 AMP Bandwidth AGC CONT.Min GC1A Min GC1A Max CDR1 CMR1 FC1A AGC1 Min AGC CONT.Max AGC AMP CMRR AGC AMP Bandwidth GC3 AMP CMRR AGC AMP Bandwidth GC3 CONT.Min GC3 CONT.Max OUT Maximum Voltage Swing AGC1 Max CMRA FCA1 CMR3 FC3A GC3A Min GC3A Max GDR1
CDS, AGC, GAMMA CORRECTION
Characteristics SUPPLY CURRENT
Test Condition AGC OUT & GAM OUT OPEN VCC=5V AGC OUT GND VCC=5V CDS OUT/DATA IN CDS GC=1.5V CDS OUT/DATA IN CDS GC=4.5V DATA IN = 400mV (Peak to Peak) 15.75KHz 10MHz TRAP1 OUT/DATA IN AGC CONT =1.5V Cal :AGC Gain -6dB TRAP1 OUT/DATA IN AGC CONT = 4.5V Cal: AGC Gain -6dB 15.75KHz 20MHz 15.75KHz 10MHz OUT/SO GC=1.5V OUT/SO GC=4.5V SO Input = 400mV (Peak to Peak)
Min 61 55 14 2.0 -3 4.0
Typ 73 64 -6 18 -4.0 6.0
Max 88 78 -4 -36 8.0
Unit mA mA dB dB V dB dB dB
30 -3 -3 14 2.0
32 -40 -40 -6 18 -
-36 -36 -4 -
dB dB dB dB dB dB dB V
KA7302D
ELECTRICAL CHARACTERISTICS
( Vcc = 4.5 ~ 5.5 V , Ta = 25 C ) Characteristics Y1.0(Typ) Symbol Y T.1
CDS, AGC, GAMMA CORRECTION
Test Condition TRAP2 input=0.4VPP Gamma GC=2.6V Measure : Gamma Output TRAP2 input =0.8Vpp Gamma GC = 2.6V Cal.:Gamma Output / YT1 TRAP2 input =1.2Vpp Gamma GC = 2.6V Cal.:Gamma Output / YT1 TRAP2 input =0.2Vpp Gamma GC = 2.6V Cal.:Gamma Output / YT1 TRAP2 input =0.2/0.4Vpp Gamma GC = 2.6V Y_Gamcont = 1.8V Cal.:Gamma Output ( 0.2 Vpp / 0.4 Vpp ) TRAP2 input =0.2/0.4Vpp Gamma GC = 2.6V Y_Gamcont = 5.0V Cal.:Gamma Output ( 0.2 Vpp / 0.4 Vpp ) TRAP1 output =0.8Vpp C_GAMCONT = 0.0V Measure, : DL1 Output TRAP1 output =0.8Vpp C_GAMCONT = 1.8V Measure, : DL1 Output TRAP1 output =0.8Vpp C_GAMCONT = 5.0V Measure, : DL1 Output TRAP1 output =0.4Vpp C_GAMCONT = 0.0V Measure, : DL1 Output CAL. : DL1 output / CT1 Typ. TRAP1 output =1.6Vpp C_GAMCONT = 0.0V Measure, : DL1 Output CAL. : DL1 output / CT1 Typ.
Min 400
Typ 525
Max 650
Unit mV
Y2.0/
Y1.0
Y 2.0A
1.2
1.4
1.6
-
Y3.0/
Y1.0
Y 3.0A
1.4
1.6
1.8
-
Y0.5/ Y
Y1.0
Y 0.5A
0.68
0.74
0.80
-
Y0.5( Max )
Y Max
0.78
0.85
0.92
-
Y 0.5 ( Min )
Y Min
0.55
0.62
0.70
-
C 1.0 ( Typ )
CT1 Typ.
270
310
350
mV
C 1.0 ( Max )
CT1 Max
300
340
380
mV
C
C 1.0 ( Min )
CT1 Min
240
275
310
mV
C 0.5/ C 1.0
C 0.5 A
0.5
0.6
0.7
-
C 2.0 / C 1.0
C 2.0 A
1.38
1.55
1.72
-
CDS, AGC, GAMMA CORRECTION
Vcc
30 27
REV
29 26 23
28
25
24
22
21
20
19
18
17
16
GC1
CLP
BLK
BUF
AGC
C O M P 1 SH3 SH2 SH1 C_GAMMA GAMCON C O M P 2
BLK CLP
GC2
BUF
B U F
CLP 6dB BUF CLP DLY
Y_GAMMA GAMCON
MIX
BPF
GC3
SHD SHP
1
TEST CIRCUIT
2
3
4
5
6
7
8
9
10
11
12
13
14
ON
15
KA7302D
OFF
KA7302D
CDS, AGC, GAMMA CORRECTION
APPLICATION CIRCUIT
PBLK CLP1 CLP4 WND
SHD
SHP
DTC143TU 2.2K 3 2 1 33H
+5VA
IRIS 10K
3.3K
1K
R-OUT 4 IMT1 5 3.3K
R-OUT
TO KS7301B 6 CLP 1 CLP2 PBLK SHD SHP 33pF 2.2K KSC1623 105 10 10 104 30 29 28 27 26 25 24 23 22 21 20 CDSO ROUT CCLP GND ALCP PBLK SOB CLP1 CLP4 REP SO 19 18 17 16 AGCO RCLP GND VCC R-OUT 2.2K TO EVR IRIS AGC YR CONT CR CONT 1 2 3 4 WND WND +5VA 1 2 3 4 5
1K
1K
10F /16V
105 105
104
+
KA7302D
GND RGC AGC CRC SHD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 YRC GC1 GC2 SHP DL1 DL2 IRP YRI IN+ IN-
7 8 10pF 10pF 9 10 105 105 DATA/PG IN 105 104 10 KSA812 12K 4.7K 4.7K 11 12
6 5 4 DL1 LPF DLY 3 2 1 +5VA
10K
10 103 27K KSC1623 1K
1K
104
10K
4.7K CR CONT YR CONT
AGC
100H
10pF
KA7302D
TIMING CHART
11us 105ns
CDS, AGC, GAMMA CORRECTION
9.54MHz
35ns 17ns 5V
9.54MHz
0V
5V 70us 88ns 105ns 0V
9.54MHz
2us 1us 5V 0V 2us 8us 5V
15.748KHz
15.748KHz
0V 0.5us 5V 0V 10us 63.5us
15.748KHz
KA7302D
CDS, AGC, GAMMA CORRECTION
AMP CHARACTERISTIC GRAPHS
40 GC(1, 2, 3) Gain [ dB ] 0 1 2 3 4 5 20
30 AGC Gain [ dB ]
10
20
0
10
-10 1 2 3 4 5
AGC CONT VOLTAGE [ V ]
GC(1, 2, 3) CONT. VOLTAGE [ V ]
2
Y - OUTPUT
1 Y - CONT.=1.5 V Y - CONT.=0.0 V Y - CONT.=5.0 V
0 1.25 Y - INPUT 2.5 3.75
KA7302D
PACKAGE DIMENSION
CDS, AGC, GAMMA CORRECTION
30-SSOP-375
unit:mm

▲Up To Search▲

Price & Availability of KA7302D

	To Download KA7302D Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .