CA3306, CA3306A,
CA3306C
August 1997
6-Bit, 15 MSPS,
Flash A/D Converters
Description
The CA3306 family are CMOS parallel (FLASH) analog-to-digital
converters designed for applications demanding both low power
consumption and high speed digitization. Digitizing at 15MHz, for
example, requires only about 50mW.
The CA3306 family operates over a wide, full scale signal input volt-
age range of 1V up to the supply voltage. Power consumption is as
low as 15mW, depending upon the clock frequency selected. The
CA3306 types may be directly retro鏗乼ted into CA3300 sockets, offer-
ing improved linearity at a lower reference voltage and high operat-
ing speed with a 5V supply.
The intrinsic high conversion rate makes the CA3306 types ideally
suited for digitizing high speed signals. The over鏗俹w bit makes pos-
sible the connection of two or more CA3306s in series to increase
the resolution of the conversion system. A series connection of two
CA3306s may be used to produce a 7-bit high speed converter.
Operation of two CA3306s in parallel doubles the conversion speed
(i.e., increases the sampling rate from 15MHz to 30MHz).
Sixty-four paralleled auto balanced comparators measure the input
voltage with respect to a known reference to produce the parallel bit
outputs in the CA3306. Sixty-three comparators are required to
quantize all input voltage levels in this 6-bit converter, and the addi-
tional comparator is required for the over鏗俹w bit.
Features
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CMOS Low Power with Video Speed (Typ) . . . . .70mW
Parallel Conversion Technique
Signal Power Supply Voltage . . . . . . . . . . . . 3V to 7.5V
15MHz Sampling Rate with Single 5V Supply
6-Bit Latched Three-State Output with Over鏗俹w Bit
Pin-for-Pin Retro鏗乼 for the CA3300
Applications
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TV Video Digitizing
Ultrasound Signature Analysis
Transient Signal Analysis
High Energy Physics Research
High Speed Oscilloscope Storage/Display
General Purpose Hybrid ADCs
Optical Character Recognition
Radar Pulse Analysis
Motion Signature Analysis
Robot Vision
Ordering Information
PART NUMBER LINEARITY (INL, DNL)
CA3306E
CA3306CE
CA3306M
CA3306CM
CA3306D
CA3306CD
CA3306J3
CA3306J3
鹵0.5
LSB
鹵0.5
LSB
鹵0.5
LSB
鹵0.5
LSB
鹵0.5
LSB
鹵0.5
LSB
鹵0.5
LSB
鹵0.5
LSB
SAMPLING RATE
15MHz (67ns)
10MHz (100ns)
15MHz (67ns)
10MHz (100ns)
15MHz (67ns)
10MHz (100ns)
15MHz (67ns)
10MHz (100ns)
TEMP. RANGE (
o
C)
-40 to 85
-40 to 85
-40 to 85
-40 to 85
-55 to 125
-55 to 125
-55 to 125
-55 to 125
PACKAGE
18 Ld PDIP
18 Ld PDIP
20 Ld SOIC
20 Ld SOIC
18 Ld SBDIP
18 Ld SBDIP
20 Ld CLCC
20 Ld CLCC
PKG. NO.
E18.3
E18.3
M20.3
M20.3
D18.3
D18.3
J20.B
J20.B
Pinouts
CA3306 (PDIP, SBDIP)
TOP VIEW
CA3306 (SOIC)
TOP VIEW
(MSB) B6 1
OVERFLOW 2
V
SS
3
NC 4
V
Z
5
CE2 6
CE1 7
CLK 8
PHASE 9
V
REF
+ 10
20 B5
19 B4
18 REF
CENTER
17 B3
16 B2
15 B1 (LSB)
14 V
DD
13 NC
12 V
IN
11 V
REF
-
CA3306 (CLCC)
TOP VIEW
OVER-
FLOW
B6
(MSB)
NC
3
V
SS
4
V
Z
5
NC 6
CE2 7
CE1 8
9 10 11 12 13
V
REF
+
V
REF
-
PHASE
CLK
V
IN
2
B5
OVERFLOW 2
V
SS
3
V
Z
4
CE2 5
CE2 6
CLK 7
PHASE 8
V
REF
+ 9
17 B4
REF
16
CENTER
15 B3
14 B2
13 B1 (LSB)
12 V
DD
11 V
IN
10 V
REF
-
1 20 19
18 REF
CENTER
17 B3
16 B2
15 B1 (LSB)
14 V
DD
B4
(MSB) B6 1
18 B5
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
漏
Intersil Corporation 1999
File Number
3102.1
4-8
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