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Sony Semiconductor Electronic Components Datasheet

CXD1172AP Datasheet

6-bit 20MSPS Video A/D Converter (CMOS)

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CXD1172AP pdf
CXD1172AM/AP
6-bit 20MSPS Video A/D Converter (CMOS)
Description
CXD1172AM/AP is a 6-bit CMOS A/D converter for
video use. The adoption of a 2-step parallel system
achieves low consumption at a maximum conversion
speed of 20MSPS minimum, 35MSPS typical.
CXD1172AM
16 pin SOP (Plastic)
CXD1172AP
16 pin DIP (Plastic)
Features
Resolution: 6-bit ± 1/2LSB
Max. sampling frequency: 20MSPS
Low power consumption: 40mW (at 20MSPS typ.)
(Reference current excluded)
Built-in sampling and hold circuit.
3-state TTL compatible output.
Power supply: 5V single
Low input capacitance: 4pF
Reference impedance: 250(typ.)
Applications
TV, VCR digital systems and a wide range of fields
where high speed A/D conversion is required.
Structure
Silicon gate CMOS monolithic IC
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage VDD
7V
• Reference voltage
VRT, VRB VDD + 0.5 to VSS – 0.5 V
• Input voltage VIN
VDD + 0.5 to VSS – 0.5 V
(Analog)
• Input voltage VCLK VDD + 0.5 to VSS – 0.5 V
(Digital)
• Output voltage VOH, VOL VDD + 0.5 to VSS – 0.5 V
(Digital)
• Storage temperature
Tstg –55 to +150 °C
Recommended Operating Conditions
• Supply voltage AVDD, AVSS 4.75 to 5.25 V
DVDD, DVSS 4.75 to 5.25
V
• Reference input voltage
VRB
0 to 4.1
V
VRT
0.9 to 5.0
V
VRT – VRB
0.9 to AVDD
V
• Analog input voltage
VIN
VRB to VRT
V
• Clock pulse width
TPW1, TPW0 23ns (min.) to 1.1µs (max.)
• Operating temperature
Topr
–20 to +75 °C
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–
E89320C78-PS


Sony Semiconductor Electronic Components Datasheet

CXD1172AP Datasheet

6-bit 20MSPS Video A/D Converter (CMOS)

No Preview Available !

CXD1172AP pdf
CXD1172AM/AP
Block Diagram and Pin Configuration
D0 1
D1 2
D2 3
D3 4
D4 5
D5 6
CLK 7
DVSS 8
Reference voltage
Lower data
latchs
Lower encoder
(3BIT)
Lower
Sampling comparators
(3BIT)
Upper data
latchs
Lower encoder
(3BIT)
Upper encoder
(3BIT)
Lower
Sampling comparators
(3BIT)
Upper
Sampling comparators
(3BIT)
Clook generator
16 AVSS
15 DVDD
14 AVDD
13 VRB
12 VIN
11 VRT
10 AVDD
9 DVDD
Pln Description and Equivalent Circuits
No. Symbol
Equivalent Circuit
1 to 6 D0 to D5
Di
Description
D0 (LSB) to D5 (MSB) output
7 CLK
8
9, 15
10, 14
11
DVSS
DVDD
AVDD
VRT
13 VRB
12 VIN
16 AVSS
DVDD
7
DVSS
AVDD
11 13
AVSS
AVDD
12
AVSS
–2–
Clock input
Digital GND
Digital +5V
Analog +5V
Reference voltage (Top)
Reference voltage (Bottom)
Analog input
Analog GND


Part Number CXD1172AP
Description 6-bit 20MSPS Video A/D Converter (CMOS)
Maker Sony Corporation
Total Page 11 Pages
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