ca3304 Intersil Corporation, ca3304 Datasheet - Page 4

• Manufacturer Part Number: ca3304
• Description: 4-bit, 25 Msps, Flash A/d Converters
• Manufacturer: Intersil Corporation

Pin Descriptions
NOTE:
1. The voltages listed are the ideal centers of each output code shown as a function of its associated reference voltage See Ideal Transfer
1
1
/
/
Curve Figure 6. The output code should exist for an input equal to the ideal center voltage
2
2
Full Scale -1 LSB
DESCRIPTION
Full Scale +1 LSB
Full Scale -1 LSB
PIN NUMBER
1
/
2
Full Scale
Step Size
Overflow
CODE
Full Scale
1 LSB
2 LSB
Zero
10
11
12
13
14
15
16
•
•
•
•
•
•
•
•
1
2
3
4
5
6
7
8
9
X = Don't Care
V
V
REF
REF
-1.000
-0.875
-0.750
-0.125
0.125
0.750
0.875
1.000
0.125
CE1
X
0
1
- = -1V
0
+ = 1V
•
•
•
•
•
•
•
•
NAME
V
V
V
V
Bit 1
Bit 2
Bit 3
Bit 4
CE2
V
CE1
CLK
V
REF
DC
REF
OF
V
AA
AA
SS
DD
IN
+
-
+
-
INPUT VOLTAGE (V)
1.6V
0.1
0.2
0.7
0.8
0.9
1.4
1.5
1.6
0.1
0V
0
•
•
•
•
•
•
•
•
TABLE 1. OUTPUT CODE TABLE
CHIP ENABLE TRUTH TABLE
CE2
CA3304, CA3304A
1
1
0
Bit 1 (LSB).
Bit 2.
Bit 3.
Bit 4 (MSB).
Data Change.
Overflow.
Three-State Output Enable Input, active low. See the Chip Enable Truth Table.
Digital Ground.
Three-State Output Enable Input, active high. See the Chip Enable Truth Table.
Analog Power Supply, +5V.
Analog Signal Input.
Reference Voltage Positive Input.
Reference Voltage Negative Input.
Analog Ground.
Clock Input.
Digital Power Supply, +5V.
0.125
0.250
0.875
1.000
1.125
1.750
1.875
2.000
0.125
2V
0V
0
•
•
•
•
•
•
•
•
4-10
3.2V
0.2
0.4
1.4
1.6
1.8
2.8
3.0
3.2
0.2
0V
0
•
•
•
•
•
•
•
•
BIT 1 - BIT 4
Three-State
Three-State
Valid
4.8V
0.3
0.6
2.1
2.4
2.7
4.2
4.5
4.8
0.3
0V
0
•
•
•
•
•
•
•
•
OF
0
0
0
0
0
0
0
0
1
•
•
•
•
•
•
•
•
DESCRIPTION
B4
Three-State
1
0
0
0
0
1
1
1
1
1
•
•
•
•
•
•
•
•
OUTPUT CODE
/
2
DC, OF
of the step size.
Valid
Valid
B3
0
0
0
1
0
0
1
1
1
•
•
•
•
•
•
•
•
B2
0
0
1
1
0
0
1
1
1
•
•
•
•
•
•
•
•
Output Data Bits
(High = True)
B1
0
1
0
1
0
1
0
1
1
•
•
•
•
•
•
•
•
DECIMAL
COUNT
14
15
31
0
1
2
7
8
9
•
•
•
•
•
•
•
•