MAX933CPA+ Maxim Integrated Products, MAX933CPA+ Datasheet

IC COMPARATOR W/REF 8-DIP

MAX933CPA+

Manufacturer Part Number
MAX933CPA+
Description
IC COMPARATOR W/REF 8-DIP
Manufacturer
Maxim Integrated Products
Type
with Voltage Referencer
Datasheet

Specifications of MAX933CPA+

Number Of Elements
2
Output Type
CMOS, TTL
Voltage - Supply
2.5 V ~ 11 V, ±1.25 V ~ 5.5 V
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Number Of Channels
2 Channels
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.25 V
Supply Current (max)
4.5 uA
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
Minimum Operating Temperature
0 C
Propagation Delay Time
12 us
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX931-MAX934 single, dual, and quad micropower,
low-voltage comparators plus an on-board 2% accurate
reference feature the lowest power consumption available.
These comparators draw less than 4µA supply current
over temperature (MAX931), and include an internal
1.182V ±2% voltage reference, programmable hysteresis,
and TTL/CMOS outputs that sink and source current.
Ideal for 3V or 5V single-supply applications, the
MAX931-MAX934 operate from a single +2.5V to +11V
supply (or a ±1.25V to ±5V dual supply), and each
comparator’s input voltage range extends from the
negative supply rail to within 1.3V of the positive supply.
The MAX931-MAX934’s unique output stage continuously
sources as much as 40mA. And by eliminating power-
supply glitches that commonly occur when comparators
change logic states, the MAX931-MAX934 minimize
parasitic feedback, which makes them easier to use.
The single MAX931 and dual MAX932/MAX933 provide a
unique and simple method for adding hysteresis without
feedback and complicated equations, using the HYST pin
and two resistors.
For applications that require increased precision with
similar power requirements, see the MAX921-MAX924 data
sheet. These devices include a 1% precision reference.
________________________Applications
19-0194; Rev 1; 2/97
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
MAX931
MAX932
MAX933
MAX934
_______________General Description
PART
Battery-Powered Systems
Threshold Detectors
Window Comparators
Oscillator Circuits
Alarm Circuits
REFERENCE
INTERNAL
Yes
Yes
Yes
Yes
2%
________________________________________________________________ Maxim Integrated Products
COMPARATORS
PACKAGE
PER
1
2
2
4
HYSTERESIS
INTERNAL
Comparators with 2% Reference
Yes
Yes
Yes
No
8-Pin
DIP/SO/
µMAX
8-Pin
DIP/SO/
µMAX
8-Pin
DIP/SO/
µMAX
16-Pin
DIP/SO
PACK-
AGE
Ultra Low-Power, Low-Cost
____________________________Features
Ordering Information continued on last page.
For similar devices guaranteed over the military temp. range, see
the MAX921-MAX924 data sheet. The MAX931, MAX933, and
MAX934 are pin-compatible with the 1% accurate MAX921,
MAX923, and MAX924, respectively. The MAX932 and
MAX922 are not pin-compatible.
__________Typical Operating Circuit
______________Ordering Information
MAX931CPA
MAX931CSA
MAX931CUA
MAX931EPA
MAX931ESA
Ultra-Low 4µA Max Quiescent Current
Over Extended Temp. Range (MAX931)
Power Supplies:
Input Voltage Range Includes Negative Supply
Internal 1.182V ±2% Bandgap Reference
Adjustable Hysteresis
TTL-/CMOS-Compatible Outputs
12µs Propagation Delay (10mV Overdrive)
No Switching Crowbar Current
40mA Continuous Source Current
Available in Space-Saving µMAX Package
PART
Single +2.5V to +11V
Dual ±1.25V to ±5.5V
V
IN
THRESHOLD DETECTOR
-40°C to +85°C
-40°C to +85°C
3
4
5
6
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
IN+
IN-
HYST
REF
2
V-
MAX931
V+
7
GND
1
8 Plastic DIP
8 SO
8 µMAX
8 Plastic DIP
8 SO
OUT
PIN-PACKAGE
8
1

Related parts for MAX933CPA+

MAX933CPA+ Summary of contents

Page 1

... Battery-Powered Systems Threshold Detectors Window Comparators Oscillator Circuits Alarm Circuits ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 Ultra Low-Power, Low-Cost Comparators with 2% Reference ____________________________Features Ultra-Low 4µA Max Quiescent Current Over Extended Temp. Range (MAX931) Power Supplies: Single +2 ...

Page 2

Ultra Low-Power, Low-Cost Comparators with 2% Reference ABSOLUTE MAXIMUM RATINGS GND, GND to V-................................-0.3V, +12V Inputs Current, IN_+, IN_-, HYST...............................................20mA Voltage, IN_+, IN_-, HYST................(V+ + 0.3V) to (V- – 0.3V) Outputs Current, REF....................................................................20mA Current, OUT_ ...

Page 3

ELECTRICAL CHARACTERISTICS—5V Operation (continued) ( GND = 0V MIN A PARAMETER Output High Voltage Output Low Voltage X REFERENCE Reference Voltage Source Current Sink Current Voltage Noise Note 1: MAX934 comparators ...

Page 4

Ultra Low-Power, Low-Cost Comparators with 2% Reference ELECTRICAL CHARACTERISTICS—3V Operation (continued) ( GND = 0V MIN PARAMETER Input Common-Mode Voltage Range Common-Mode Rejection Ratio Power-Supply Rejection Ratio Voltage Noise Hysteresis ...

Page 5

Operating Characteristics ( GND +25°C, unless otherwise noted.) A OUTPUT VOLTAGE LOW vs. LOAD CURRENT 2 2 1.5 1.0 0.5 0 LOAD ...

Page 6

Ultra Low-Power, Low-Cost Comparators with 2% Reference ____________________________Typical Operating Characteristics (continued) ( GND +25°C, unless otherwise noted.) A HYSTERESIS CONTROL 80 60 OUTPUT HIGH CHANGE -20 -40 OUTPUT LOW -60 ...

Page 7

Descriptions PIN MAX931 MAX932 MAX933 1 – – – – – – – – – 4 – – – ...

Page 8

Ultra Low-Power, Low-Cost Comparators with 2% Reference _______________Detailed Description The MAX931-MAX934 comprise various combinations of a micropower 1.182V reference and a micropower comparator. The Typical Operating Circuit shows the MAX931 configuration, and Figures 1a-1c show the MAX932/MAX933/MAX934 configurations. Each comparator ...

Page 9

The reference will not function below about 2.2V, although the comparators will continue to operate with a total supply voltage as low as 1V. While the MAX934 has comparators that may be used at supply voltages below 2V, ...

Page 10

Ultra Low-Power, Low-Cost Comparators with 2% Reference maximum difference between REF and HYST (50mV) will therefore produce a 100mV max hysteresis band. Use the following equations to determine R1 and R2 REF V HB ...

Page 11

Board Layout and Bypassing Power-supply bypass capacitors are not needed if the supply impedance is low, but 100nF bypass capacitors should be used when the supply impedance is high or when the supply leads are long. Minimize signal lead lengths ...

Page 12

Ultra Low-Power, Low-Cost Comparators with 2% Reference 100nA for the thresholds to be accurate. R1 values up to about 10MΩ can be used, but values in the 100kΩ to 1MΩ range are usually easier to deal with. In this example, ...

Page 13

V+ MAX934 10k INA+ V INA INA- 10k INB+ V INB INB- 10k INC+ V INC INC- 10k IND+ V IND OUTD IND- V- GND -5V Figure 8. Level Shifter: ±5V Input to CMOS Output ______________________________________________________________________________________ Ultra Low-Power, Low-Cost ...

Page 14

Ultra Low-Power, Low-Cost Comparators with 2% Reference _________________Pin Configurations TOP VIEW 1 8 GND MAX931 IN- DIP/SO/ MAX 1 8 OUTA MAX932 3 6 INA INB+ DIP/SO/ ...

Page 15

Information ______________________________________________________________________________________ Ultra Low-Power, Low-Cost Comparators with 2% Reference 15 ...

Page 16

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 16 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 1997 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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