TC221 Datasheet, PDF (12/14 Pages) Texas Instruments – SMALL-FORMAT CCD IMAGE SENSORS

TC221, TC225, TC227
SMALL-FORMAT CCD IMAGE SENSORS
SOCS037C – DECEMBER 1991 – REVISED AUGUST 1997
APPLICATION INFORMATION
VSS
V
+5 V
OUT _GND
Master Oscillator
C2
0.1 µF
CLK
ABH
ABM
ABL
GND
VCC
SG2
SG1
TG
IAG
VCC
C1
0.1 µF
VCC
User-Defined Timer
SN28846
1
2
VCC
3
4
5
6
7
8
9
10
C5
SEL1OUT ^VSS
GND
SEL0
PD
NC
SRG3IN
VCC
SRG2IN ^SRG3OUT
SRG1IN ^SRG2OUT
TRGIN ^SRG1OUT
NC
TRGOUT
SEL2OUT ^VCC
VSS
SEL1
20
19
18
17
16
15
14
13
12
11
+ ^{68 µF}
+
+
C4
68 µF
C3
68 µF
TRG SUB
SRG1 OUT1
SRG2 OUT2
ABG ADB
IAG
NC
TC225
C7
68 µF
VSS
+
TMS3473B
VCC
VCC
VCC
1 _IALVL
2 _I/N
3 _IAIN
4 _ABIN
5 _MIDSEL
6 _SAIN
7 _PD
8 _GND
9
10
Vabg+
VSS
VSS ²⁰
IASR ¹⁹
ABSR ¹⁸
V ¹⁷
ABLVL ¹⁶
IAOUT ¹⁵
ABOUT ¹⁴
SAOUT ¹³
VCC ¹²
Vabg– ¹¹
R1
22 kΩ
R2
22 kΩ
+
C6
68 µF
ABLVL
VABG–
VABG+
12 V
R11
100 Ω
12 V
C10
0.1 µF
C11
0.1 µF
Q1
2N3904
OUT1
R12
1 kΩ
12 V
R13
100 Ω
C12
0.1 µF
Q2
2N3904
OUT2
R14
1 kΩ
–12 V
R3
500 Ω
R4
70 Ω
R5
5 kΩ
R6
1.5 Ω
+
C10
68 µF
R9
1 kΩ
D2
D1
1N4148
1N4148
R7
200 Ω
EL2020 7
3+
2
–
1
8
6
5
4
R8
300 Ω
R10
1 kΩ
15 V
C8
0.1 µF
–15 V
C9
0.1 µF
DC VOLTAGES
ADB
VCC
VSS
V
ABLVL
VABG ₊
VABG _–
12 V
5V
– 10 V
2V
– 2.5 V
4V
–6 V
DEVICE
SN28846DW
TMS3473BDW
SUPPORT CIRCUITS
PACKAGE
APPLICATION
20 pin small outline
Serial driver
20 pin small outline
Parallel driver
Figure 8. Typical Application Circuit Diagram
FUNCTION
Driver for SRG
Driver for IAG
12
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