MAX952ESA+ Maxim Integrated Products, MAX952ESA+ Datasheet

IC OP AMP SS LP 8-SOIC

MAX952ESA+

Manufacturer Part Number
MAX952ESA+
Description
IC OP AMP SS LP 8-SOIC
Manufacturer
Maxim Integrated Products
Type
Amplifier, Comparator, Referencer
Datasheet
1.MAX954ESA.pdf (12 pages)

Specifications of MAX952ESA+

Applications
General Purpose
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX951–MAX954 feature combinations of a
micropower operational amplifier, comparator, and ref-
erence in an 8-pin package. In the MAX951 and
MAX952, the comparator’s inverting input is connected
to an internal 1.2V ±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 7µA,
while the MAX953/MAX954 operate from 2.4V to 7V with
a 5µA 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 ±3mV internal hysteresis to ensure clean
output switching, even with slow-moving input signals.
19-0431; Rev 2; 8/01
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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
®
________________________________________________________________ Maxim Integrated Products
.
General Description
Op Amp + Comparator + Reference
Applications
Ultra-Low-Power, Single-Supply
Typical Operating Circuit and Ordering Information appear
at end of data sheet.
o Op Amp + Comparator + Reference in an 8-Pin
o 7µA Typical Supply Current
o Comparator and Op Amp Input Range Includes
o Outputs Swing Rail-to-Rail
o 2.4V to 7V Supply Voltage Range
o Unity-Gain Stable and 125kHz Decompensated
o Internal 1.2V ±2% Bandgap Reference
o Internal Comparator Hysteresis
o Op Amp Capable of Driving up to 1000pF Load
MAX951
MAX952
MAX953
MAX954
PART
µMAX Package (MAX951/MAX952)
(Op Amp + Comparator + Reference)
Ground
A
TOP VIEW
( ) ARE FOR MAX953/MAX954
V
≥ 10V/V Op Amp Options
REFERENCE
PRECISION
INTERNAL
AMPOUT
AMPIN+
AMPIN-
Yes
Yes
2%
No
No
V
SS
1
2
3
4
STABILITY
DIP/SO/µMAX
OP AMP
GAIN
(V/V)
MAX951
MAX952
MAX953
MAX954
10
10
1
1
Pin Configuration
Selector Guide
COMPARATOR
8
7
6
5
Yes
Yes
Yes
Yes
V
COMPOUT
REF (COMPIN-)
COMPIN+
DD
Features
CURRENT
SUPPLY
(µA)
7
7
5
5
1

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MAX952ESA+ Summary of contents

Page 1

... Smart Cards Infrared Receivers for Remote Controls Smoke Detectors and Safety Sensors Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Ultra-Low-Power, Single-Supply o Op Amp + Comparator + Reference in an 8-Pin µ ...

Page 2

Ultra-Low-Power, Single-Supply Op Amp + Comparator + Reference ABSOLUTE MAXIMUM RATINGS Supply Voltage ( .................................................... Inputs Current (AMPIN_, COMPIN_)..........................................20mA Voltage (AMPIN_, COMPIN_).......(V DD Outputs Current (AMPOUT, COMPOUT)......................................50mA Current (REF) ..................................................................20mA Voltage (AMPOUT, COMPOUT, REF)...................................(V DD ...

Page 3

Op Amp + Comparator + Reference ELECTRICAL CHARACTERISTICS (continued 2. for MAX951/MAX952 AMPOUT = ( OPAMP DD SS otherwise noted.) PARAMETER SYMBOL Power-Supply Rejection Ratio PSRR Response Time ...

Page 4

Ultra-Low-Power, Single-Supply Op Amp + Comparator + Reference ELECTRICAL CHARACTERISTICS (continued 2. for MAX951/MAX952 AMPOUT = ( )/2, COMPOUT = low OPAMP DD SS otherwise noted.) PARAMETER ...

Page 5

Op Amp + Comparator + Reference (T = +25°C, unless otherwise noted.) A SUPPLY CURRENT vs. SUPPLY VOLTAGE MAX951/MAX952 6 5 MAX953/MAX954 OPAMP 2 AMPOUT = ( )/2 DD ...

Page 6

Ultra-Low-Power, Single-Supply Op Amp + Comparator + Reference (T = +25°C, unless otherwise noted AMP OUTPUT VOLTAGE vs. LOAD CURRENT 0.10 = ±1. SUPPLY 0.08 = ±2. SUPPLY = ±3. ...

Page 7

Op Amp + Comparator + Reference (T = +25°C, unless otherwise noted.) A COMPARATOR RESPONSE TIME FOR VARIOUS INPUT OVERDRIVES (FALLING) OUTPUT 1V/div 100mV 20mV 10mV 50mV INPUT 100mV/div 2µs/div MAX953: LOAD = 100kΩ || 100pF, V MAX951/MAX953 OP AMP ...

Page 8

Ultra-Low-Power, Single-Supply Op Amp + Comparator + Reference PIN NAME MAX951 MAX953 MAX952 MAX954 1 1 AMPOUT 2 2 AMPIN AMPIN COMPIN+ 6 — REF — 6 COMPIN COMPOUT 8 ...

Page 9

Op Amp + Comparator + Reference REF Figure 2. External Hysteresis continuously source as much as 40mA. The compara- tors eliminate power-supply glitches that commonly occur when changing logic states, minimizing parasitic feedback and making them ...

Page 10

Ultra-Low-Power, Single-Supply Op Amp + Comparator + Reference AMPIN 2pF to 10pF Figure 3. Compensation for Feedback-Node Capacitance V SHYST ≈ for V A SHYST the example again 24kΩ. ...

Page 11

Op Amp + Comparator + Reference C2 10kHz 15pF P-P NEC R2 NEC PH302B 1.0MΩ,1% SE307-C 51Ω R1 AMP A C1 49.9kΩ, 1% 150pF 49.9kΩ, 1% 100kΩ 0.1µF MAX952 LAYOUT-SENSITIVE AREA ...

Page 12

... 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. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2001 Maxim Integrated Products ...

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