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Sony Corporation |
CXL1517N/1518N
CMOS-CCD Signal Processor
Description
The CXL1517N/1518N are CMOS-CCD signal
processors developed for CCD camera complementary
color filter array processing system.
CXL1517N
452.5-bit × 2, 453.5-bit 1H CCD delay line
CXL1518N
300.5-bit × 2, 301.5-bit 1H CCD delay line
24 pin SSOP (Plastic)
Features
• Single 5V power supply
• Low power consumption (Typ.)
CXL1517N 120mW
CXL1518N 75mW
• Built-in peripheral circuits
• Built-in CDS (Correlated Double Sampling) circuit
Structure
CMOS-CCD
Functions
• Clock driver
• Autobias circuit (Center and black)
• Pedestal clamp circuit
• CDS circuit
• Overflow prevention circuit
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
VDD
• Operating temperature
Topr
• Storage temperature
Tstg
• Allowable power dissipation
PD
6
–10 to +65
–55 to +150
350
V
°C
°C
mW (SSOP package)
Recommended Operating Voltage Range (Ta = 25°C)
Supply voltage
VDD 4.6 to 5.25
V
Item
Clock voltage Low
Clock voltage High
Clock
frequency
CXL1517N
CXL1518N
Symbol
VL
VH
Min.
VSS
0.7 × VDD
fCL
Typ.
7.16
fCL 4.77
Max.
0.3 × VDD
VDD
Unit
V
V
MHz
MHz
Remarks
NTSC: 455fH
CCIR: 454fH
NTSC: 910fH/3
CCIR: 908fH/3
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E91778A78-PS
Block Diagram and Pin Configuration (Top View)
CXL1517N/1518N
ABBL 4
ABCN 21
IN-A 23
A.B.
BLACK
A.B.
CENTER
CLP
IN-B 3
CLP
IN-C 6
CLP
CLP PULSE
GEN.
7
19 18
TIMING GENERATOR
5 8 20 1 2 16 17
DRIVER
(n bit)
DL A
PRECHARGE
DRAIN
PG. GEN.
(n bit)
DL B
PG. GEN.
(n + 1 bit)
DL C
PG. GEN.
OVERFLOW
PREVENTION
CIRCUIT
POTENTIAL
CONTROL
CDS OUTPUT
CIRCUIT
CDS OUTPUT
CIRCUIT
CDS OUTPUT
CIRCUIT
CDS
22 10 15
14 OUT-A
11 OUT-B
9 OUT-C
VSS 1
VSS 2
IN-B 3
ABBL 4
VDD 5
IN-C 6
CLP 7
VDD 8
OUT-C 9
VGG 10
OUT-B 11
NC 12
24 NC
23 IN-A
22 ABOVF
21 ABCN
20 VDD
19 XDL1
18 XDL2
17 VSS
16 VSS
15 CDS
14 OUT-A
13 NC
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