CA3290A Intersil, CA3290A Datasheet

no-image

CA3290A

Manufacturer Part Number
CA3290A
Description
BiMOS Dual Voltage Comparators
Manufacturer
Intersil
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CA3290AE
Manufacturer:
SHARP
Quantity:
2 800
Part Number:
CA3290AE
Manufacturer:
HARRIS
Quantity:
20 000
Part Number:
CA3290AS
Manufacturer:
HARRIS
Quantity:
5 510
Part Number:
CA3290AS
Manufacturer:
INTERS
Quantity:
517
Part Number:
CA3290AS
Manufacturer:
RCA
Quantity:
20 000
Part Number:
CA3290AT3
Manufacturer:
DIODES
Quantity:
6 000
BiMOS Dual Voltage Comparators
with MOSFET Input, Bipolar Output
The CA3290A and CA3290 types consist of a dual voltage
comparator on a single monolithic chip. The common mode
input voltage range includes ground even when operated
from a single supply. The low supply current drain makes
these comparators suitable for battery operation; their
extremely low input currents allow their use in applications
that employ sensors with extremely high source
impedances. Package options are shown in the table below.
Pinout
Schematic Diagram
NON-INV. INPUT (A
INV. INPUT (A
OUTPUT (A
V-
1
1
1
)
)
)
CA3290/A (PDIP)
1
2
3
4
A
TOP VIEW
1
-
+
D
D
+V
-V
1
1
2
+
I
I
-
A
2
50 A
Q
Data Sheet
8
7
6
5
I
1
1
V+
OUTPUT (A
INV. INPUT (A
NON-INV. INPUT (A
Q
100 A
Q
9
5
I
2
COMPARATOR NO. 1
Q
2
2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
)
2
Q
Q
)
10
50 A
3
(ONLY ONE IS SHOWN)
I
3
2
)
Q
6
D
D
Q
Q
100 A
3
4
4
11
I
4
Q
Q
7
Q
8
V
12
Features
• MOSFET Input Stage
• Output Voltage Compatible with TTL, DTL, ECL, MOS,
Applications
• High Source Impedance Voltage Comparators
• Long Time Delay Circuits
• Square Wave Generators
• A/D Converters
• Window Comparators
Ordering Information
O
CA3290AE
CA3290E
1-888-INTERSIL or 321-724-7143
- Very High Input Impedance (Z
- Very Low Input Current at V+ = 5V . . . . . . . 3.5pA (Typ)
- Wide Common Mode Input Voltage Range (V
- Virtually Eliminates Errors Due to Flow of Input Currents
and CMOS Logic Systems in Most Applications
NUMBER
Swung 1.5V (Typ) Below Negative Supply Voltage Rail
PART
BIASING CIRCUIT
Q
FOR CURRENT
R
100k
15
1
SOURCES
1k
5k
September 1998
Q
Q
R
R
17
13
2
3
V-
V+
Q
Q
5pF
14
18
C
RANGE (
1
-55 to 125
-55 to 125
TEMP
Q
CA3290, CA3290A
COMP.
16
NO. 2
o
TO
C)
|
Copyright
8 Ld PDIP
8 Ld PDIP
PACKAGE
File Number 1049.3
IN
) . . . . . . . . 1.7T (Typ)
©
Intersil Corporation 1999
E8.3
E8.3
ICR
PKG. NO.
) Can Be

Related parts for CA3290A

CA3290A Summary of contents

Page 1

... Data Sheet BiMOS Dual Voltage Comparators with MOSFET Input, Bipolar Output The CA3290A and CA3290 types consist of a dual voltage comparator on a single monolithic chip. The common mode input voltage range includes ground even when operated from a single supply. The low supply current drain makes these comparators suitable for battery operation ...

Page 2

... Voltage Gain -15V -15V 2 CA3290, CA3290A Thermal Information Thermal Resistance (Typical, Note 2) PDIP Package . . . . . . . . . . . . . . . . . . . 18V Maximum Junction Temperature (Plastic Package .150 Maximum Storage Temperature Range . . . . . . . . . . -65 (whichever is less) Maximum Lead Temperature (Soldering 10s 300 o C TEMP o TEST CONDITIONS ...

Page 3

... Large Signal Response R Time R Test Circuits and Waveforms C = 2pF C +15V +15V 10X V SCOPE IN PROBE - 1K -15V FIGURE 1. PARASITIC OSCILLATIONS TEST CIRCUIT AND WAVEFORMS 3 CA3290, CA3290A TEMP o TEST CONDITIONS ( C) MIN = 4mA 5V, 125 = 0V 4mA 5V, - 4mA 5V 0V, -V ...

Page 4

... Q function as source followers to drive and Q , respectively, with zener diodes providing gate oxide protection against input voltage transients (e.g., static electricity). The current fl CA3290, CA3290A 20mV 5mV OVERDRIVE OVERDRIVE 5mV 20mV 100mV OVERDRIVE OVERDRIVE OVERDRIVE Q is established at approximately constant current ...

Page 5

... These desirable characteristics may, however, produce parasitic oscillations unless certain precautions are observed to 5 CA3290, CA3290A minimize the stray capacitive coupling between the input and output terminals. Parasitic oscillations manifest themselves and during the output voltage transition intervals as the 10 ...

Page 6

... TOTAL SUPPLY VOLTAGE (V) FIGURE 8. SUPPLY CURRENT vs SUPPLY VOLTAGE (BOTH AMPLIFIERS) 6 CA3290, CA3290A Window Comparator Both halves of the CA3290 can be used in a high input impedance window comparator as shown in Figure 7. The LED will be turned “on” whenever the input signal is above the lower limit (V ...

Page 7

... C -2.0 o - NEGATIVE SUPPLY VOLTAGE (V) FIGURE 12. NEGATIVE COMMON MODE INPUT VOLTAGE RANGE vs SUPPLY VOLTAGE FIGURE 14. OUTPUT SATURATION VOLTAGE vs OUTPUT SINK CURRENT 7 CA3290, CA3290A (Continued) -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 -4.0 5.0 FIGURE 11. POSITIVE COMMON MODE INPUT VOLTAGE 10K 1K 100 10V 125 25 -55 ...

Page 8

... Intersil Corporation P. O. Box 883, Mail Stop 53-204 Melbourne, FL 32902 TEL: (321) 724-7000 FAX: (321) 724-7240 8 CA3290, CA3290A The photographs and dimensions of each chip represent a chip when it is part of the wafer. When the wafer is cut into chips, the cleavage angles are 57 the chip ...

Related keywords