MAX9001 Maxim, MAX9001 Datasheet

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MAX9001

Manufacturer Part Number
MAX9001
Description
The MAX9000 family features the combination of a high-speed operational amplifier, a 185ns comparator, and a precision 1
Manufacturer
Maxim
Datasheet

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The MAX9000 family features the combination of a high-
speed operational amplifier, a 185ns comparator, and a
precision 1.230V reference. These devices operate from a
single +2.5V to +5.5V supply and draw less than 500µA of
quiescent current. The MAX9001/MAX9004 feature a shut-
down mode that reduces supply current to 2µA and puts
the outputs into a high-impedance state, making them
ideal for portable and battery-powered applications.
The amplifiers in the MAX9000/MAX9001/MAX9002 are
unity-gain stable with a 1.25MHz gain-bandwidth product,
while the amplifiers in the MAX9003/MAX9004/MAX9005
are stable for closed-loop gains of +10V/V or greater with
an 8MHz gain-bandwidth product. The input common-
mode voltage extends from 150mV below the negative
supply to within 1.2V of the positive supply for the amplifi-
er, and to within 1.1V for the comparator. The amplifier and
comparator outputs can swing Rail-to-Rail
to ±2.5mA and ±4.0mA, respectively, to an external load
while maintaining excellent DC accuracy. The unique
design of the comparator output stage substantially
reduces switching current during output transitions, virtually
eliminating power-supply glitches.
The comparator’s ±2mV of built-in hysteresis provides
noise immunity and prevents oscillations even with a
slow-moving input signal. The MAX9000/MAX9001/
MAX9003/MAX9004 have an internal 1.230V ±1% preci-
sion reference with a low 8ppm/°C temperature coeffi-
cient that can sink or source up to 1mA. The amplifier and
reference are stable with capacitive loads up to 250pF
and 100nF, respectively. The comparator’s inverting input
is internally connected to the reference output in the
MAX9000/MAX9003.
________________________Applications
19-0499; Rev 1; 7/98
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.
______________________________________________________________________________Selector Guide
Single-Supply Zero-
Crossing Detector
Instruments, Terminals,
and Bar-Code Readers
Keyless Entry
MAX9000
MAX9001
MAX9002
MAX9003
MAX9004
MAX9005
PART
________________________________________________________________ Maxim Integrated Products
Op Amp + Comparator + Reference ICs
REFERENCE
Low-Power, High-Speed, Single-Supply
PRECISION
INTERNAL
General Description
Yes
Yes
Yes
Yes
No
No
Photodiode Preamps
Smart Card Readers
Infrared Receivers
for Remote Controls
Sensor Signal Detection
®
OP-AMP GAIN
and deliver up
STABILITY
(V/V)
10
10
10
1
1
1
Ordering Information continued at end of data sheet.
Pin Configurations and Typical Operating Circuit appear at
end of data sheet.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
SHUTDOWN
MAX9000EUA
MAX9000ESA
MAX9001EUB
MAX9001ESD
Op Amp + Comparator + Reference in
Space-Saving µMAX Package
+2.5V to +5.5V Single-Supply Voltage Range
340µA Supply Current (MAX9002/MAX9005)
Unity-Gain Stable (GBW = 1.25MHz) and
Decompensated (A
Op-Amp/Comparator Outputs Swing Rail-to-Rail
Ground-Sensing Inputs for Both Op Amp and
Comparator
Op Amp Stable with Capacitive Loads up to 250pF
Internal ±2mV Comparator Hysteresis
Fast 185ns Propagation-Delay Comparator
No Phase Reversal for Overdriven Inputs
(Both Op Amp and Comparator)
Internal 1.230V Precision Reference (MAX9000/
MAX9001/MAX9003/MAX9004)
Yes
Yes
No
No
No
No
PART
±1% Initial Accuracy
Low 8ppm/°C Temperature Drift
Sink or Source up to 1mA
Stable for Capacitive Loads up to 100nF
OP-AMP GAIN
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
BANDWIDTH
TEMP. RANGE
V
Ordering Information
(MHz)
1.25
1.25
1.25
≥ 10V/V, GBW = 8MHz) Options
8
8
8
8 SO/µMAX
10 µMAX, 14 SO
8 SO/µMAX
8 SO/µMAX
10 µMAX, 14 SO
8 SO/µMAX
8 µMAX
8 SO
10 µMAX
14 SO
PIN-PACKAGE
PIN-PACKAGE
Features
1

Related parts for MAX9001

MAX9001 Summary of contents

Page 1

... These devices operate from a single +2.5V to +5.5V supply and draw less than 500µA of quiescent current. The MAX9001/MAX9004 feature a shut- down mode that reduces supply current to 2µA and puts the outputs into a high-impedance state, making them ideal for portable and battery-powered applications ...

Page 2

... Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS SHDN = +2.5V to +5.5V MAX9001/MAX9002/MAX9004/MAX9005), COUT = low and T = +25°C PARAMETER SYMBOL Supply Voltage Range ...

Page 3

... Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs ELECTRICAL CHARACTERISTICS (continued SHDN = +2.5V to +5.5V MAX9001/MAX9002/MAX9004/MAX9005), COUT = low and T = +25°C PARAMETER SYMBOL Large-Signal Voltage Gain A VOL Output Voltage Swing Gain-Bandwidth Product GBW Phase Margin Gain Margin ...

Page 4

... Power-On Time Capacitive Load Stability Note 1: Comparator Input Offset is defined as the center of the input-referred hysteresis zone. Note 2: Measured for the MAX9001/MAX9002/MAX9004/MAX9005 CM(COMP) Note 3: Input-referred hysteresis is defined as the difference of the trip points required to change comparator output states. Note the overdrive that is beyond the offset and hysteresis-determined trip points. ...

Page 5

... SHDN = +5V SUPPLY CURRENT vs. SUPPLY VOLTAGE 500 450 MAX9000/MAX9001/MAX9003/MAX9004 400 350 MAX9002/MAX9005 300 250 200 2.5 3.0 3.5 4.0 4.5 5.0 SUPPLY VOLTAGE (V) MAX9000/MAX9001/MAX9003/MAX9004 SUPPLY CURRENT vs. TEMPERATURE 500 V = 5.5V 450 DD 400 V = 2.5V DD 350 300 -40 - TEMPERATURE (°C) MAX9002/MAX9005 SUPPLY CURRENT vs. TEMPERATURE 500 450 ...

Page 6

Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs ____________________________________Typical Operating Characteristics (continued) (op amp SHDN = +5V CHANGE IN OP-AMP OFFSET VOLTAGE (V OS vs. SUPPLY ...

Page 7

... 10k 100k 100 200 300 400 500 600 700 800 900 1000 C (pF) LOAD MAX9000/MAX9001/MAX9002 OP-AMP POWER-SUPPLY REJECTION vs. FREQUENCY LOAD -20 -40 -60 -80 -100 100 1k 10k 100k 1M 10M FREQUENCY (Hz) MAX9003/MAX9004/MAX9005 OP-AMP POWER-SUPPLY REJECTION vs. FREQUENCY ...

Page 8

... AOUT CHANGE IN COMPARATOR OFFSET VOLTAGE (V ) vs. TEMPERATURE OS 200 150 100 50 0 -50 -100 -150 -200 -40 - 100 TEMPERATURE (°C) MAX9000/MAX9001/MAX9002 OP-AMP OUTPUT IMPEDANCE vs. FREQUENCY LOAD 100 10 1 0.1 0.01 100 1k 10k 100k 1M 10M FREQUENCY (Hz) MAX9003/MAX9004/MAX9005 OP-AMP OUTPUT IMPEDANCE vs. FREQUENCY 10k A ...

Page 9

Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs _____________________________Typical Operating Characteristics (continued) (op amp SHDN = +5V COMPARATOR HYSTERESIS vs. TEMPERATURE 3.5 3.2 2.9 2.6 2.3 ...

Page 10

... A V OUTPUT VOLTAGE CHANGE REF vs. SUPPLY VOLTAGE 100 50 0 -50 -100 2.5 3.0 3.5 4.0 4.5 5.0 5.5 SUPPLY VOLTAGE (V) V 0.1Hz to 10Hz VOLTAGE NOISE REF 5 V/div 1sec/div MAX9000/MAX9001/MAX9002 OP-AMP SMALL-SIGNAL TRANSIENT RESPONSE WITH C LOAD 270pF 50mV/div V OUT 50mV/div 1 s/div V LOAD-TRANSIENT RESPONSE REF +1mA I OUT -1mA ...

Page 11

... COUT = low MAX9000/MAX9001/MAX9002 OP-AMP LARGE-SIGNAL TRANSIENT RESPONSE LOAD 5V/div 4V V OUT 1V/div 0V 2 s/div NAME 14 SO SHDN AOUT 3 4 AIN AIN+ ...

Page 12

... The op amps in the MAX9000/MAX9001/MAX9002 are COUT 7 unity-gain stable with a gain-bandwidth product of COMP 1.25MHz and a slew rate of 0.85V/µs. The amplifiers in ...

Page 13

... Voltage Reference The 1%-accurate, precision 1.230V internal bandgap reference in the MAX9000/MAX9001/MAX9003/ MAX9004 achieves an 8ppm/°C temperature coefficient (tempco). The reference can sink or source 1mA of load current with excellent load regulation. The output typical- ly changes only 60µ ...

Page 14

... V IN 50mV/ div V OUT 50mV/ div Figure 4. MAX9000/MAX9001/MAX9002 Op-Amp Small-Signal Transient Response with Capacitive Load (C = 510pF) and L No Isolation Resistor AOUT Figure 6. External Hysteresis comparator. The outputs do not undergo phase rever- ...

Page 15

... Input Overdrive). High source impedance coupled with the comparator’s input capacitance increases the prop- agation delay. Large capacitive loads also increase the propagation delay. Shutdown Shutdown is active-low enabled. The SHDN input for the MAX9001/MAX9004 can be taken above the posi- SHDN 5V/div AOUT 2V/div COUT ...

Page 16

Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs antenna can be long parallel wires spaced about 7.2cm apart, with equal but opposite currents. Radio waves from this antenna are detectable when the receiver is brought within close proximity, ...

Page 17

... CIN REF SS MAX Typical Operating Circuit 0.1 F AIN+ INPUT AIN Pin Configurations N. N.C. SHDN AOUT 3 12 COUT MAX9001 AIN CIN+ MAX9004 AIN CIN REF MAX9000 OP AMP MAX9003 AOUT COUT CIN+ R2 COMP ...

Page 18

Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs Ordering Information (continued) PART TEMP. RANGE MAX9002EUA -40°C to +85°C MAX9002ESA -40°C to +85°C MAX9003EUA -40°C to +85°C MAX9003ESA -40°C to +85°C MAX9004EUB -40°C to +85°C MAX9004ESD -40°C to +85°C ...

Page 19

Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs ______________________________________________________________________________________ Package Information (continued) 19 ...

Page 20

... Op Amp + Comparator + Reference ICs Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied ...

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