OPAX170 datasheet(1/60 Pages) TI2

Part #	OPAX170

Description	OPAx172 36-V, Single-Supply, 10-MHz, Rail-to-Rail Output Operational Amplifiers

PDF	60 Pages

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Manufacturer	TI2 [Texas Instruments]

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VCC

VEE

VCC

VEE

VCC

LSK489

R1

3.9 k

Ÿ

R2

3.9 k

Ÿ

V1

15 V

V2

15 V

OPA172

VOUT

R3

1.13 k

Ÿ

R4

11.5

Ÿ

MMBT4401

R5

300

Ÿ

Q3

Q4

+ +

Q1

Q2

R6

27.4 k

Ÿ

-140

-120

-100

-80

0.00001

0.0001

0.001

0.01

10

100

1k

10k

Frequency (Hz)

G = +1 V/V, RL = 10 k

G = +1 V/V, RL = 2 k

G = +1 V/V, RL = 600

G = -1 V/V, RL = 10 k

G = -1 V/V, RL = 2 k

G = -1 V/V, RL = 600

C007

V

OUT = 3.5 VRMS

BW = 80 kHz

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Design

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

OPA172, OPA2172, OPA4172

SBOS618I – DECEMBER 2013 – REVISED MAY 2018

OPAx172 36-V, Single-Supply, 10-MHz, Rail-to-Rail Output Operational Amplifiers

1

1 Features

1

•

Wide Supply Range:

+4.5 V to +36 V, ±2.25 V to ±18 V

•

Low Offset Voltage: ±0.2 mV

•

Low Offset Drift: ±0.3 µV/°C

•

Gain Bandwidth: 10 MHz

•

Low Input Bias Current: ±8 pA

•

Low Quiescent Current: 1.6 mA per Amplifier

•

Low Noise: 7 nV/

√Hz

•

EMI and RFI Filtered Inputs

•

Input Range Includes the Negative Supply

•

Input Range Operates to Positive Supply

•

Rail-to-Rail Output

•

High Common-Mode Rejection: 120 dB

•

Industry-Standard Packages:

–

SOIC-8, VSSOP-8, SOIC-14, TSSOP-14

•

microPackages: Single in SC70, SOT-23,

Dual in WSON-8

2 Applications

•

Tracking Amplifier in Power Modules

•

Merchant Power Supplies

•

Transducer Amplifiers

•

Bridge Amplifiers

•

Temperature Measurements

•

Strain Gauge Amplifiers

•

Precision Integrators

•

Test Equipment

3 Description

The OPA172, OPA2172 and OPA4172 (OPAx172)

are

a

family

of

36-V,

single-supply,

low-noise

operational

amplifiers

capable

of

operating

on

supplies ranging from +4.5 V (±2.25 V) to +36 V

(±18 V). This latest addition of high-voltage CMOS

operational

amplifiers,

in

conjunction

with

the

OPAx171

and

OPAx170,

provide

a

family

of

bandwidth, noise, and power options to meet the

needs of a wide variety of applications. The OPAx172

are available in micropackages, and offer low offset,

drift, and quiescent current. These devices also offer

wide bandwidth, fast slew rate, and high output

current drive capability. The single, dual, and quad

versions all have identical specifications for maximum

design flexibility.

Unlike most op amps, which are specified at only one

supply voltage, the OPAx172 family is specified from

+4.5 V to +36 V. Input signals beyond the supply rails

do not cause phase reversal. The input can operate

100 mV below the negative rail and within 2 V of the

top rail during normal operation. Note that these

devices can operate with full rail-to-rail input 100 mV

beyond the top rail, but with reduced performance

within 2 V of the top rail.

The OPAx172 series of op amps are specified from

–40°C to +125°C.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

OPA172

SC70 (5)

2.00 mm × 1.25 mm

SOT-23 (5)

2.90 mm × 1.60 mm

SOIC (8)

4.90 mm × 3.91 mm

OPA2172

SOIC (8)

4.90 mm × 3.91 mm

VSSOP (8)(2)

3.00 mm × 3.00 mm

WSON (8)

3.00 mm × 3.00 mm

OPA4172

SOIC (14)

8.65 mm × 3.91 mm

TSSOP (14)

4.40 mm × 5.00 mm

(1) For all available packages, see the package option addendum

at the end of the data sheet.

(2) The VSSOP package is the same as the MSOP package.

JFET-Input Low-Noise Amplifier

Superior THD Performance

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