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MAX44290 Datasheet

Rail-to-Rail I/O Op-Amp

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MAX44290
1.8V, 15MHz, Low-Offset, Low-Power,
Rail-to-Rail I/O Op-Amp
General Description
The MAX44290 offers a unique combination of high-
speed, precision, and low-voltage operation, making them
ideally suited for a large number of signal-processing
functions, such as filtering and amplification of signals in
portable and industrial equipment.
This amplifier features an input offset of less than 50µV
and a high-gain bandwidth product of 15MHz while
maintaining a low 1.8V supply rail. The devices’ rail-to-
rail input/outputs and low noise guarantee maximum
dynamic range in demanding applications, such as 12-to-
14-bit SAR ADC drivers. Unlike traditional rail-to-rail input
structures, input crossover distortion is absent due to an
optimized input stage with an ultra-quiet charge pump.
The device includes a fast-power-on shutdown mode for
further power savings. The operational amplifier operates
from a supply range of 1.8V to 5.5V over -40°C to 125°C
temperature range, and can operate down to 1.7V over
the 0 to 70°C temperature range. It is available in a tiny,
6-bump wafer-level package (WLP), with 0.4mm-pitch.
Ordering Information appears at end of data sheet.
Benefits and Features
● Low 1.8V Supply Rail Over the -40°C to +125°C
Range
● 1.7V Supply Rail Over 0°C to 70°C Range
● 15MHz Unity-Gain Bandwidth
Low 12.7nV/√Hz Input Voltage-Noise Density
● Low 50µV (max) Input Offset Voltage at +25°C
● 500fA Low Input Bias Current
● 750µA Quiescent Current
● < 1µA Supply Current in Shutdown
● Low 105dB Total Harmonic Distortion
Applications
● Notebooks
● 3G/4G Handsets
● Portable Medical Instruments
● Battery-Operated Devices
● Analog-to-Digital Converter Buffers
Transimpedance Amplifiers
● General-Purpose Signal Processing
Pin Configuration
Typical Operating Characteristic
TOP VIEW
MAX44290
VDD SHDN OUT
A1 A2 A3
B1 B2 B3
IN+ VSS IN-
WLP
OPEN-LOOP GAIN vs. FREQUENCY
140 toc10
120
100
80
60
40
20
0
0.01 0.1
1 10 100 1000 10000 100000
FREQUENCY (kHz)
19-8452; Rev 0; 12/15


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX44290 Datasheet

Rail-to-Rail I/O Op-Amp

No Preview Available !

MAX44290
1.8V, 15MHz, Low-Offset, Low-Power,
Rail-to-Rail I/O Op-Amp
Absolute Maximum Ratings (Note 1)
Supply Voltage (VDD to VSS) ..................................-0.3V to +6V
SHDN.......................................................................-0.3V to +6V
All Other Pins................................. (VSS - 0.3V) to (VDD + 0.3V)
Output Short-Circuit Duration to VDD or VSS.............Continuous
Continuous Input Current (any pins).................................±20mA
Differential Input Voltage........................................................±6V
Continuous Power Dissipation (TA = +70°C)
(derate 10.50mW/°C above +70°C)............................840 mW
Junction-to-Ambient Thermal Resistance (θJA)......95.15°C/W
Junction-to-Case Thermal Resistance (θJC)................70°C/W
Operating Temperature Range.......................... -40°C to +125°C
Junction Temperature.......................................................+150°C
Storage Temperature Range............................. -65°C to +150°C
Lead Temperature (soldering, 10s).................................. +300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
Electrical Characteristics
(VDD = 3.3V, VSS = 0V, VIN+ = VIN- = VDD/2, RLOAD = 10kΩ to VDD/2, VSHDN = VDD, TA = - 40°C to +125°C, unless otherwise noted.
Typical values are at +25°C.) (Note 2)
PARAMETER
POWER SUPPLY
Supply Voltage Range
Power-Supply Rejection Ratio
SYMBOL
CONDITIONS
VDD
PSRR
Guaranteed by PSRR
Over 0°C < TA < +70°C
VCM = VDD/2
MIN TYP MAX UNITS
1.8 5.5
V
1.7 5.5
82 95
dB
Quiescent Current
Shutdown Supply Current
Shutdown Input Low
Shutdown Input High
Output Leakage Current in
Shutdown
Shutdown Input Bias Current
Shutdown Turn-On Time
Turn-On Time
DC CHARACTERISTICS
Input Common-Mode Range
IDD
ISHDN
VIL
VIH
RLOAD = no load
IIL/IIH
TSHDN
TON
TA = +25°C (Note 3)
-40°C < TA < +125°C (Note 3)
TA = +25°C (Note 3)
-40°C < TA < +125°C (Note 3)
VCM Guaranteed by CMRR test
Common-Mode Rejection Ratio
Input Offset Voltage (Note 3)
Input Offset Voltage Drift (Note 3)
CMRR
VOS
TC VOS
VCM = VSS - 0.1V to VDD + 1V
TA = +25°C
-40°C < TA < +125°C after calibration
-40°C < TA < +125°C
750 1200
µA
1 µA
0.5 V
1.3 V
100 pA
14.4
9.7
1
18.9
26.7
15.2
18.4
µA
µs
µs
VSS -
0.1
75
90
10
0.8
VDD
+1
50
100
500
5
V
dB
µV
µV/°C
www.maximintegrated.com
Maxim Integrated 2


Part Number MAX44290
Description Rail-to-Rail I/O Op-Amp
Maker Maxim Integrated
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MAX44290 Datasheet PDF






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