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MAX952 Datasheet

  • MAX952

  • "7?A, Single-Supply, 10V/V Op Amp + Comparator + Reference"

  • Maxim   Maxim

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19-0431; Rev 1; 7/97
Ultra-Low-Power, Single-Supply
Op Amp + Comparator + Reference
_______________General Description
The MAX951鈥揗AX954 feature combinations of a
micropower operational amplifier, comparator, and ref-
erence in an 8-pin package. In the MAX951 and
MAX952, the comparator鈥檚 inverting input is connected
to an internal 1.2V 鹵2% bandgap reference. The
MAX953 and MAX954 are offered without an internal
reference. The MAX951/MAX952 operate from a single
+2.7V to +7V supply with a typical supply current of
7碌A(chǔ), while the MAX953/MAX954 operate from +2.4V to
+7V with a 5碌A(chǔ) typical supply current. Both the op amp
and comparator feature a common-mode input voltage
range that extends from the negative supply rail to with-
in 1.6V of the positive rail, as well as output stages that
swing rail to rail.
The op amps in the MAX951/MAX953 are internally
compensated to be unity-gain stable, while the op
amps in the MAX952/MAX954 feature 125kHz typical
bandwidth, 66V/ms slew rate, and stability for gains of
10V/V or greater. These op amps have a unique output
stage that enables them to operate with an ultra-low
supply current while maintaining linearity under loaded
conditions. In addition, they have been designed to
exhibit good DC characteristics over their entire operat-
ing temperature range, minimizing input referred errors.
The comparator output stage of these devices continu-
ously sources as much as 40mA. The comparators
eliminate power-supply glitches that commonly occur
when changing logic states, minimizing parasitic feed-
back and making the devices easier to use. In addition,
they contain 鹵3mV internal hysteresis to ensure clean
output switching, even with slow-moving input signals.
____________________________Features
o
Op Amp + Comparator + Reference in an 8-Pin
碌MAX Package (MAX951/MAX952)
o
7碌A(chǔ) Typical Supply Current
(Op Amp + Comparator + Reference)
o
Comparator and Op-Amp Input Range Includes
Ground
o
Outputs Swing Rail to Rail
o
+2.4V to +7V Supply Voltage Range
o
Unity-Gain Stable and 125kHz Decompensated
A
V
鈮?/div>
10V/V Op-Amp Options
o
Internal 1.2V 鹵2% Bandgap Reference
o
Internal Comparator Hysteresis
o
Op Amp Capable of Driving up to 1000pF Load
MAX951鈥揗AX954
________________________Applications
Instruments, Terminals, and Bar-Code Readers
Battery-Powered Systems
Automotive Keyless Entry
Low-Frequency, Local-Area Alarms/Detectors
Photodiode Preamps
Smart Cards
Infrared Receivers for Remote Controls
Smoke Detectors and Safety Sensors
____________________Selection Table
PART
INTERNAL
OP-AMP
SUPPLY
2%
GAIN
COMPARATOR CURRENT
PRECISION STABILITY
(碌A(chǔ))
REFERENCE
(V/V)
Yes
Yes
No
No
1
10
1
10
Yes
Yes
Yes
Yes
7
7
5
5
__________________Pin Configuration
TOP VIEW
MAX951
MAX952
MAX953
MAX954
AMPOUT
1
AMPIN-
2
AMPIN+
3
V
SS
4
8
V
DD
COMPOUT
REF (COMPIN-)
COMPIN+
MAX951
MAX952
MAX953
MAX954
DIP/SO/碌MAX
7
6
5
( ) ARE FOR MAX953/MAX954
Typical Operating Circuit and Ordering Information
appear at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.

MAX952 PDF文件相關(guān)型號(hào)

MAX953

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