TC245 Datasheet, PDF (16/19 Pages) Texas Instruments – 786- × 488-pixel ccd image sensor

TC245
786- × 488-PIXEL CCD IMAGE SENSOR
SOCS019A – DECEMBER 1991
APPLICATION INFORMATION
V_SS
V
IALVL
V_ABG+
TMS3473B
1
20
IALVL
2
V_SS
19
I/N
IASR
3
18
IAIN
ABSR
4
17
ABIN
5
MIDSEL
V_CC
16
ABLVL
6
SAIN
15
IAOUT
7
14
PD
ABOUT
8
13
GND
SAOUT
9
V_ABG+
10
12
V_CC
11
V_SS
V_ABG–
Parallel Driver
22 kΩ
47 kΩ
ABLVL
V_{ABG –}
SN28846
1
20
SEL0OUT
2
V_SS
19
GND
3
SEL0
18
PD
4
NC
17
SRG3IN
5
V_CC
16
SRG2IN SRG3OUT
6
15
SRG1IN ^SRG2OUT
7
14
TRGIN SRG1OUT
8
13
NC
9
TRGOUT
12
SEL1OUT
10
V_CC
11
V_SS
SEL1
Serial Driver
TC245
20
1
SUB
19
SUB
2
IAG
18
IAG
3
ABG
17
ABG
4
SAG
16
SRG3
15
ADB
5
OUT3
6
SRG2
14
OUT2
7
SEG1
13
OUT1
8
NC
12
TRG
11
IDB
AMP GND
9
CDB
10
SUB
Image Sensor
DC VOLTAGES
ADB
ADB
12 V
VCC
VSS
V
5V
– 10 V
2V
ABLVL
– 2.5 V
IALVL
–5 V
VABG ₊
VABG _–
4V
–6 V
4.7 µF
+
4.7 µF
100 Ω
+
4.7 µF
100 Ω
+
100 Ω
+
4.7 µF
TL1593
1
16
2 ^{ANLG VCC}
S/H1
15
AIN1
3
S/H2
14
CIN1
4
S/H3
13
AIN2
5
CIN2
6
DIG V_{CC 12 OUT3}
OUT1
11 OUT2
AIN3
7
OUT2
10 OUT1
CIN3
8
OUT3
9
ANLG GND DGTL GND
Sample-and-Hold
V_CC
V_CC
V_CC
22 21 20 19 18 17 16 15 14 13 12
23
T
24
S1
25
S2
26
S3
27
PD
28
PS
29
GT
30
ABIN
31
PI
32
33 ^MODE
GND
SN28835
NTSC Timer
11
ABS1
10
ABS0
V_CC
9
SC(90)
8
SC
7
BF
6
CBLK
5
CSYNC
4
CP1
3
CP2
2
BCP2
1
BCP1
20 pF
15 pF
Oscillator
14.3-MHz
34 35 36 37 38 39 40 41 42 43 44
DEVICE
SN28835FS
SN28846DW
TMS3473BDW
TL1593CNS
PACKAGE
44 pin flatpack
20 pin small outline
20 pin small outline
16 pin small outline (EIAJ)
SUPPORT CIRCUITS
APPLICATION
Timing generator
Serial driver
Parallel driver
Sample and hold
FUNCTION
NTSC timing generator (CCD, S/H, processing)
Driver for TRG, SRG1, SRG2, SRG3
Driver for IAG, SAG, ABG
Three-channel sample-and-hold IC
Figure 15. Typical Application Circuit Diagram
2-16
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