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PDF MAX4289EUT-T Data sheet ( Hoja de datos )
| Número de pieza | MAX4289EUT-T | |
| Descripción | 1.0V Micropower / SOT23 / Operational Amplifier | |
| Fabricantes | Maxim Integrated | |
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19-2023; Rev 0; 1/02
1.0V Micropower, SOT23, Operational Amplifier
General Description
The MAX4289 micropower, operational amplifier is opti-
mized for ultra-low supply voltage operation. The ampli-
fier consumes only 9µA of quiescent supply current and
is fully specified for operation from a single 1.0V to 5.5V
power supply. This ultra-low voltage operation together
with the low quiescent current consumption make the
MAX4289 ideal for use in battery-powered systems
operated from as little as a single alkaline cell. The
MAX4289 also features a wide input common-mode
range that includes the ground, and an output voltage
swing that is virtually Rail-to-Rail®, allowing almost all of
the power supply to be used for signal voltage.
The low input offset voltage and low input bias current
specifications along with the high open-loop gain make
the MAX4289 well-suited to applications requiring a
high degree of precision.
The MAX4289 is available in a tiny 6-pin SOT23 pack-
age. All specifications are guaranteed over the extend-
ed temperature range of -40°C to +85°C.
Applications
Single-Cell Systems
Portable Electronic
Equipment
Battery-Powered
Instrumentation
Hearing Aids Using Zinc
Air Battery
Strain Gauges
Cellular Phones
Notebook Computers
Sensor Amplifiers
Portable Communication
Devices
Typical Operating Characteristic
POWER-SUPPLY REJECTION RATIO
vs. SUPPLY VOLTAGE
90
TA = +85°C
80
70 TA = -40°C
60 TA = +25°C
50
0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
SUPPLY VOLTAGE (V)
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Features
o Ultra-Low Voltage Operation: Guaranteed
Specifications from 1.0V to 5.5V
o Input Common-Mode Range: 0 to (VCC - 0.2V)
o Ultra-Low Power Consumption: 9µA Supply
Current (typ)
o Optimized for Operation from Single-Cell
Battery-Powered Systems
o Compatible with 3.0V and 5.0V Single-Supply
Systems
o Low Offset Voltage: 0.2mV
o Low Input Bias Current: 5nA
o High Open-Loop Voltage Gain: 90dB
o Rail-to-Rail Output Stage Drives 5kΩ Load
o No Output Phase Reversal for Overdriven Inputs
o Available in a Tiny 6-Pin SOT23 (3mm ✕ 3mm)
PART
MAX4289EUT-T
MAX4289ESA
Ordering Information
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
6 SOT23-6
8 SO
TOP
MARK
AARX
—
Pin Configurations
TOP VIEW
OUT 1
GND 2
IN+ 3
MAX4289
6 VCC N.C. 1
5 N.C.
IN- 2
IN+ 3
4 IN- GND 4
SOT23-6
MAX4289
SO-8
8 N.C.
7 VCC
6 OUT
5 N.C.
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
1.0V Micropower, SOT23, Operational Amplifier
Typical Operating Characteristics (continued)
(VCC = 3V, VCM = 0, RL to VCC/2, TA = +25°C, unless otherwise noted.)
SMALL-SIGNAL TRANSIENT RESPONSE
MAX4289 toc13
LARGE-SIGNAL TRANSIENT RESPONSE
MAX4289 toc14
MINIMUM-OPERATING VOLTAGE
vs. TEMPERATURE
1.2
PSRR > 70dB
IN
50mV/div
IN
1V/div
1.1
OUT
50mV/div
OUT
1V/div
1.0
0.9
10µs/div
200µs/div
0.8
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
OUTPUT SINKING CURRENT
vs. OUTPUT VOLTAGE
1.5
VCC = 1V
SINKING CURRENT
1.2
0.9
0.6
0.3
0
0 0.2 0.4 0.6 0.8 1.0
OUTPUT VOLTAGE (V)
OUTPUT SOURCING CURRENT
vs. OUTPUT VOLTAGE
1.0
VCC = 1V
SOURCING CURRENT
0.8
0.6
0.4
0.2
0
0 0.2 0.4 0.6 0.8 1.0
OUTPUT VOLTAGE (V)
OUTPUT SINKING CURRENT
vs. OUTPUT VOLTAGE
25
VCC = 3V
SINKING CURRENT
20
15
10
5
0
0 0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT VOLTAGE (V)
OUTPUT SOURCING CURRENT
vs. OUTPUT VOLTAGE
25
VCC = 3V
SOURCING CURRENT
20
15
10
5
0
0 0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT VOLTAGE (V)
_______________________________________________________________________________________ 5
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| PDF Descargar | [ Datasheet MAX4289EUT-T.PDF ] | |
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