MAX4460ESA MAXIM [Maxim Integrated Products], MAX4460ESA Datasheet

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MAX4460ESA

Manufacturer Part Number
MAX4460ESA
Description
SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX4460ESA.pdf (20 pages)

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The MAX4460/MAX4461/MAX4462 are instrumentation
amplifiers with precision specifications, low-power con-
sumption, and excellent gain-bandwidth product.
Proprietary design techniques allow ground-sensing
capability combined with ultra-low input current and
increased common-mode rejection performance. These
Rail-to-Rail
in fixed or adjustable gains and the option for either a
shutdown mode or a pin to set the output voltage relative
to an external reference (see Ordering Information and
Selector Guide).
The MAX4460 has an adjustable gain and uses ground
as its reference voltage. The MAX4461 is offered in fixed
gains of 1, 10, and 100, uses ground as its reference volt-
age, and has a logic-controlled shutdown input. The
MAX4462 is offered in fixed gains of 1, 10, and 100 and
has a reference input pin (REF). REF sets the output volt-
age for zero differential input to allow bipolar signals in
single-supply applications.
The MAX4460/MAX4461/MAX4462 have high-impedance
inputs optimized for small-signal differential voltages. The
MAX4461/MAX4462 are factory trimmed to gains of 1, 10,
or 100 (suffixed U, T, and H) with ±0.1% accuracy. The
typical offset of the MAX4460/MAX4461/MAX4462 is
100µV. All devices have a gain-bandwidth product of
2.5MHz.
These amplifiers operate with a single-supply voltage
from 2.85V to 5.25V and with a quiescent current of only
700µA (less than 1µA in shutdown for the MAX4461). The
MAX4462 can also be operated with dual supplies.
Smaller than most competitors, the MAX4460/
MAX4461/MAX4462 are available in space-saving 6-pin
SOT23 packages.
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.
19-2279; Rev 2; 11/02
Selector Guide appears at end of data sheet.
Pin Configurations appear at end of data sheet.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
________________________Applications
Industrial Process Control
Strain-Gauge Amplifiers
Transducer Interface
Precision Low-Side Current Sense
Low-Noise Microphone Preamplifier
Differential Voltage Amplification
Battery-Powered Medical Equipment
®
output instrumentation amplifiers are offered
________________________________________________________________ Maxim Integrated Products
SOT23, 3V/5V, Single-Supply, Rail-to-Rail
General Description
Instrumentation Amplifiers
o Tiny 6-Pin SOT23 Package
o Input Negative Rail Sensing
o 1pA (typ) Input Bias Current
o 100µV Input Offset Voltage
o Rail-to-Rail Output
o 2.85V to 5.25V Single Supply
o 700µA Supply Current
o ±0.1% Gain Error
o 2.5MHz Gain-Bandwidth Product
o 18nV/√Hz Input-Referred Noise
MAX4460EUT-T
MAX4460ESA
MAX4461UEUT-T
MAX4461UESA
MAX4461TEUT-T
MAX4461TESA
MAX4461HEUT-T
MAX4461HESA
MAX4462UEUT-T
MAX4462UESA
MAX4462TEUT-T
MAX4462TESA
MAX4462HEUT-T
MAX4462HESA
Typical Application Circuits continued at end of data sheet.
PART
Typical Application Circuits
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
Ordering Information
RANGE
TEMP
V
V
CM
CM
+ ∆V
- ∆V
3
4
V
CC
PIN-
PACKAGE
6 SOT23-6
8 SO
6 SOT23-6
8 SO
6 SOT23-6
8 SO
6 SOT23-6
8 SO
6 SOT23-6
8 SO
6 SOT23-6
8 SO
6 SOT23-6
8 SO
5
2
6
MAX4462
Features
1
REF
OUT
AASW
AASU
AASS
AAST
AASV
AASX
AASY
MARK
TOP
—
—
—
—
—
—
—
1

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MAX4460ESA Summary of contents

Page 1

... Supply Current o ±0.1% Gain Error o 2.5MHz Gain-Bandwidth Product o 18nV/√Hz Input-Referred Noise Ordering Information TEMP PART RANGE MAX4460EUT-T -40°C to +85°C MAX4460ESA -40°C to +85°C MAX4461UEUT-T -40°C to +85°C MAX4461UESA -40°C to +85°C MAX4461TEUT-T -40°C to +85°C MAX4461TESA -40°C to +85°C MAX4461HEUT-T -40° ...

Page 2

... 20mV to 100mV for G = 10, 2mV to 48mV for G =100, IN- = +25°C, unless otherwise noted.) A CONDITIONS Guaranteed by PSRR test 5V DIFF DIFF MAX4461, SHDN = GND MAX4460ESA MAX4461ESA OS MAX446_EUT Differential mode Common mode Guaranteed by CMRR test -0. 1.7V 2.85V to 5.25V DD ...

Page 3

... Instrumentation Amplifiers = 50mV to 100mV for 20mV to 100mV for G = 10, 2mV to 48mV for G =100, IN- = +25°C, unless otherwise noted.) A CONDITIONS G = 1V/V, MAX4461UESA G = 10V/V, MAX4461TESA R = 20kΩ 100V/V, MAX4461HESA 10V/V, MAX4460ESA MAX446_EUT R = 20kΩ sustained oscillations 1V/V, MAX4461U C = 100pF G = 10V/V, MAX4461T ...

Page 4

... 0°C to +85°C MAX4461HESA 20kΩ -40°C to +85° 0°C to +85°C MAX4460ESA 20kΩ -40°C to +85° 0°C to +85°C MAX446_EUT 20kΩ -40°C to +85°C ...

Page 5

SOT23, 3V/5V, Single-Supply, Rail-to-Rail ELECTRICAL CHARACTERISTICS—MAX4462 ( REF DD to +100mV for and G = 10, -20mV to +20mV for G = 100.) PARAMETER ...

Page 6

SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers ELECTRICAL CHARACTERISTICS—MAX4462 (continued 5V 0V REF DD to +100mV for and G = 10, -20mV to +20mV for G ...

Page 7

SOT23, 3V/5V, Single-Supply, Rail-to-Rail ELECTRICAL CHARACTERISTICS—MAX4462 (continued 5V 0V REF -100mV to +100mV for and G = 10, -20mV to +20mV for G ...

Page 8

SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers ( REF IN- -100mV to +100mV for and G = 10, -20mV to +20mV for G = ...

Page 9

SOT23, 3V/5V, Single-Supply, Rail-to-Rail ( IN- REF -100mV to +100mV for and G = 10, -20mV to +20mV for G = 100.) SUPPLY ...

Page 10

SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers ( REF IN- -100mV to +100mV for and G = 10, -20mV to +20mV for G = ...

Page 11

SOT23, 3V/5V, Single-Supply, Rail-to-Rail PIN NAME MAX4460 SOT23 — PIN NAME MAX4461 SOT23 — ...

Page 12

SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers V DD MAX4460 Figure 1. Functional Diagrams Detailed Description The MAX4460/MAX4461/MAX4462 family of instrumen- tation amplifiers implements Maxim’s proprietary indi- rect current-feedback design to achieve a precision specification and ...

Page 13

SOT23, 3V/5V, Single-Supply, Rail-to-Rail Input Common-Mode and Output Reference Ranges MAX4460/MAX4461/MAX4462 have an input common- mode range of 100mV below the negative supply to 1.7V below the positive supply. The output reference voltage of MAX4462U/T/H is set by REF and ...

Page 14

SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers V OUT IDEAL TRANSFER FUNCTION (LINE) V OUT2 V IN1 0 V IN2 V OUT1 Figure 3. Transfer Function of an Ideal Instrumentation Amplifier (Straight Line Passing Through the Origin) Looking at this curve, ...

Page 15

SOT23, 3V/5V, Single-Supply, Rail-to-Rail The rotational nature of gain error, and the fact that it is pivoted around point E in Figure 5, shows that gain- error contribution to the total output voltage error is directly proportional to the input ...

Page 16

SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers Applications Information Setting the Gain (MAX4460) The MAX4460 gain is set by connecting a resistive- divider from OUT to GND, with the center tap connect (Figure 2). The gain is calculated ...

Page 17

SOT23, 3V/5V, Single-Supply, Rail-to-Rail 4.7µF 2.2kΩ MIC Figure 7. Differential I/O Microphone Amplifier Typical Application Circuits + ∆ ∆V ∆V > ______________________________________________________________________________________ Instrumentation Amplifiers 3.3kΩ MAX4462TEUT 100kΩ ...

Page 18

SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers TOP VIEW OUT 1 GND 2 IN+ 3 OUT 1 GND 2 IN+ 3 OUT IN ______________________________________________________________________________________ 6 FB OUT 1 GND 2 MAX4460 MAX4460 ...

Page 19

SOT23, 3V/5V, Single-Supply, Rail-to-Rail (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ Instrumentation Amplifiers Package Information 19 ...

Page 20

SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages TOP VIEW FRONT VIEW Maxim ...

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