MAX4462TETT+T Maxim, MAX4462TETT+T Datasheet

MAX4462TETT+T

Manufacturer Part Number

MAX4462TETT+T

Description

Instrumentation Amp, Single-Supply, Rail-to-Rail, -40 to 85 deg. C, 3V/5V, SOT23

Manufacturer

Maxim

Type

Low Powerr

Datasheet

1.MAX4462TETTT.pdf (10 pages)

Specifications of MAX4462TETT+T

Amplifier Type

Instrumentation

Bandwidth

250 kHz

Common Mode Rejection Ratio

120

Current, Input Bias

1 pA

Current, Supply

0.8 mA

Number Of Amplifiers

Single

Package Type

TDFN-6

Power Dissipation

1454 mW

Resistance, Input

2 Gigaohms

Slew Rate

0.5

Temperature, Operating, Range

-40 to +85 °C

Voltage, Input Offset

±100 μV

Voltage, Noise

18 nV/sqrt Hz

Voltage, Supply

2.85 to 5.25 V

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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 output instrumentation amplifiers are offered in

fixed or adjustable gains and the option for either a shut-

down mode or a pin to set the output voltage relative to

an external reference (see the 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 and TDFN packages.

19-2279; Rev 4; 3/06

Selector Guide appears at end of data sheet.

Pin Configurations appear at end of data sheet.

________________________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

________________________________________________________________ Maxim Integrated Products

SOT23, 3V/5V, Single-Supply, Rail-to-Rail

General Description

Instrumentation Amplifiers

♦ Tiny 6-Pin SOT23 and TDFN Packages

♦ Input Negative Rail Sensing

♦ 1pA (typ) Input Bias Current

♦ 100µV Input Offset Voltage

♦ Rail-to-Rail Output

♦ 2.85V to 5.25V Single Supply

♦ 700µA Supply Current

♦ ±0.1% Gain Error

♦ 2.5MHz Gain-Bandwidth Product

♦ 18nV/√Hz Input-Referred Noise

+Denotes lead-free package.

*EP = Exposed paddle.

Ordering Information continued at end of data sheet.

MAX4460ETT+T

MAX4460EUT-T

MAX4460ESA

MAX4461UETT+T

MAX4461UEUT-T

MAX4461UESA

MAX4461TETT+T

MAX4461TEUT-T

MAX4461TESA

MAX4461HETT+T

MAX4461HEUT-T

MAX4461HESA

Typical Application Circuits continued at end of data sheet.

PART

Typical Application Circuits

-40°C to +85°C

Ordering Information

RANGE

TEMP

+ ∆V

- ∆V

PIN-

PACKAGE

6 TDFN-EP*

6 SOT23-6

8 SO

6 TDFN-EP*

6 SOT23-6

8 SO

6 TDFN-EP*

6 SOT23-6

8 SO

6 TDFN-EP*

6 SOT23-6

8 SO

MAX4462

Features

REF

OUT

+ANK

AASS

+ANJ

AASU

+ANL

AASV

AAST

+ANI

MARK

TOP

—

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MAX4462TETT+T Summary of contents

Page 1

... Differential Voltage Amplification Battery-Powered Medical Equipment Selector Guide appears at end of data sheet. Pin Configurations appear at end of data sheet. ________________________________________________________________ Maxim Integrated Products Instrumentation Amplifiers ♦ Tiny 6-Pin SOT23 and TDFN Packages ♦ Input Negative Rail Sensing ♦ 1pA (typ) Input Bias Current ♦ ...

Page 2

... SO (derate 5.9mW/°C above +70°C)..................470mW 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. ELECTRICAL CHARACTERISTICS— ...

Page 3

... ELECTRICAL CHARACTERISTICS—MAX4460/MAX4461 (continued 5V 0V DIFF IN+ MAX4460 is configured for 200kΩ to GND PARAMETER SYMBOL Gain Error Nonlinearity (Note 1) Maximum Capacitive Load -3dB Bandwidth BW Gain-Bandwidth Product Slew Rate Settling Time ELECTRICAL CHARACTERISTICS—MAX4460/MAX4461 ( DIFF IN+ MAX4460 is configured for 200kΩ to GND, T ...

Page 4

SOT23, 3V/5V, Single-Supply, Rail-to-Rail Instrumentation Amplifiers ELECTRICAL CHARACTERISTICS—MAX4460/MAX4461 (continued 5V 0V DIFF IN+ MAX4460 is configured for 200kΩ to GND PARAMETER SYMBOL ...

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 = 100.) PARAMETER SYMBOL Maximum Capacitive Load C -3dB Bandwidth BW Gain-Bandwidth Product GBWP Slew Rate SR Settling Time ELECTRICAL CHARACTERISTICS—MAX4462 ( REF -100mV to +100mV for and G = 10, -20mV to +20mV for G = 100.) (Note 5) ...

Page 7

... Note 3: Output swing high is measured only 100 devices. Devices with and have output swing high limited by the range and V REF CM Note 4: Short-circuit duration limited to 1s (see Absolute Maximum Ratings). Note 5: SOT23 and TDFN units are 100% production tested at +25°C. Limits over temperature are guaranteed by design. _______________________________________________________________________________________ Instrumentation Amplifiers = V / 100kΩ ...

Page 8

... M M 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 excellent gain-bandwidth product. These new techniques allow ground-sensing capability combined with an ultra-low input current and an increased common-mode rejection. ...

Page 9

... MAX4462TEUT 100kΩ 20kΩ 4 0.1µF Ordering Information (continued) (continued) PART V CC MAX4462UETT+T MAX4462UEUT-T MAX4462UESA MAX4461 5 MAX4462TETT+T 1 MAX4462TEUT-T OUT 6 MAX4462TESA SHDN 2 MAX4462HETT+T MAX4462HEUT-T MAX4462HESA +Denotes lead-free package. *EP = Exposed paddle. SHUTDOWN NO TRANSISTOR COUNT: 421 YES PROCESS: BiCMOS YES YES NO NO ...

Page 10

SOT23, 3V/5V, Single-Supply, Rail-to-Rail D PIN 1 INDEX AREA -DRAWING NOT TO SCALE- COMMON DIMENSIONS SYMBOL MIN. A 0.70 D 2.90 E 2.90 A1 0.00 L 0.20 k 0.25 MIN. A2 0.20 REF. PACKAGE VARIATIONS PKG. CODE N T633-1 6 ...

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