Datasheet > OPA4727

OPA4727

更新时间： 2024-11-03 22:50:51

品牌	Logo	应用领域
BB		运算放大器
页数	文件大小	规格书
20页	536K
描述
20MHz, High Precision CMOS Operational Amplifier

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OPA4727 数据手册

OPA727, OPA2727

OPA4727, OPA728

SBOS314B − SEPTEMBER 2004 − REVISED DECEMBER 2004

e-trim 20MHz, High Precision CMOS

Operational Amplifier

F_DEATURES

DESCRIPTION

OFFSET: 15µV (typ), 150µV (max)

DRIFT: 0.3µV/°C (typ), 1.5µV/°C (max)

BANDWIDTH: 20MHz

The OPA727 and OPA728 series op amps use a

state-of-the-art 12V analog CMOS process and e-trim, a

package-level trim, offering outstanding dc precision and

ac performance. The extremely low offset (150µV max)

and drift (1.5µV/°C) are achieved by trimming the IC

digitally after packaging to avoid the shift in parameters as

a result of stresses during package assembly. To correct

for offset drift, the OPA727/OPA728 family is trimmed over

temperature. The devices feature very high CMRR and

open loop gain to minimize errors.

SLEW RATE: 30V/µs

BIAS CURRENT: 100pA (max)

LOW NOISE: 6nV/√Hz at 100kHz

THD+N: 0.0003% at 1kHz

QUIESCENT CURRENT: 4.3mA/ch

SUPPLY VOLTAGE: 4V to 12V

SHUTDOWN MODE (OPA728): 6µA

Excellent ac characteristics, such as 20MHz GBW, 30V/µs

slew rate and 0.0003% THD+N make the OPA727 and

OPA728 well-suited for communication, high-end audio,

and active filter applications. With a bias current of less

than 100pA, they are ideal for use as transimpedance

(I/V-conversion) amplifiers for monitoring optical power in

ONET applications.

A_DPPLICATIONS

OPTICAL NETWORKING

TRANSIMPEDANCE AMPLIFIERS

INTEGRATORS

ACTIVE FILTERS

A/D CONVERTER DRIVERS

I/V CONVERTER FOR DACs

HIGH PERFORMANCE AUDIO

PROCESS CONTROL

Optimized for single-supply operation up to 12V, the input

common-mode range extends to GND for true

single-supply functionality. The output swings to within

150mV of the rails, maximizing dynamic range. The low

quiescent current of 4.3mA makes it well-suited for use in

battery-operated equipment. The OPA728 shutdown

version reduces the quiescent current to typically 6µA and

features a reference pin for easy shutdown operation with

standard CMOS logic in dual-supply applications.

TEST EQUIPMENT

OPAx727 AND OPAx728 RELATED PRODUCTS

FEATURES

PRODUCT

20MHz, 3mV, 4µV/°C

OPA725

(non-etrim version of OPA727)

20MHz, 3mV, 4µV/°C, Shutdown

(non-etrim version of OPA728)

For ease of use, the OPA727 and OPA728 op amp families

are fully specified and tested over the supply range of 4V

to 12V. The OPA727 (single) and OPA728 (single with

shutdown) are available in MSOP-8 and DFN-8; the

OPA2727 (dual) is available in DFN-8 and SO-8, and the

quad version OPA4727 will be available Q1’05 in

TSSOP-14. All versions are specified for operation from

−40°C to +125°C.

OPA726

+12V

OPA727

V_OUT

−

V_B

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments

semiconductor products and disclaimers thereto appears at the end of this data sheet.

e-trim is a trademark of Texas Instruments, Incorporated. All other trademarks are the property of their respective owners.

ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆꢇ ꢂꢈ ꢃ ꢉꢆꢉ ꢊꢋ ꢌꢍ ꢎ ꢏꢐ ꢑꢊꢍꢋ ꢊꢒ ꢓꢔ ꢎ ꢎ ꢕꢋꢑ ꢐꢒ ꢍꢌ ꢖꢔꢗ ꢘꢊꢓ ꢐꢑꢊ ꢍꢋ ꢙꢐ ꢑꢕꢚ ꢀꢎ ꢍꢙꢔ ꢓꢑꢒ

ꢓ ꢍꢋ ꢌꢍꢎ ꢏ ꢑꢍ ꢒ ꢖꢕ ꢓ ꢊ ꢌꢊ ꢓ ꢐ ꢑꢊ ꢍꢋꢒ ꢖ ꢕꢎ ꢑꢛꢕ ꢑꢕ ꢎ ꢏꢒ ꢍꢌ ꢆꢕꢜ ꢐꢒ ꢇꢋꢒ ꢑꢎ ꢔꢏ ꢕꢋꢑ ꢒ ꢒꢑ ꢐꢋꢙ ꢐꢎ ꢙ ꢝ ꢐꢎ ꢎ ꢐ ꢋꢑꢞꢚ

ꢀꢎ ꢍ ꢙꢔꢓ ꢑ ꢊꢍ ꢋ ꢖꢎ ꢍ ꢓ ꢕ ꢒ ꢒ ꢊꢋ ꢟ ꢙꢍ ꢕ ꢒ ꢋꢍꢑ ꢋꢕ ꢓꢕ ꢒꢒ ꢐꢎ ꢊꢘ ꢞ ꢊꢋꢓ ꢘꢔꢙ ꢕ ꢑꢕ ꢒꢑꢊ ꢋꢟ ꢍꢌ ꢐꢘ ꢘ ꢖꢐ ꢎ ꢐꢏ ꢕꢑꢕ ꢎ ꢒꢚ

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与OPA4727相关器件

型号	品牌	获取价格	描述	数据表
OPA4727AIPW	TI	获取价格	e-trim 20MHz, High Precision CMOS
OPA4727AIPWG4	TI	获取价格	e-trim 20MHz, High Precision CMOS
OPA4727AIPWR	TI	获取价格	e-trim 20MHz, High Precision CMOS
OPA4727AIPWRG4	TI	获取价格	e-trim 20MHz, High Precision CMOS
OPA4727AIPWT	TI	获取价格	QUAD OP-AMP, 150uV OFFSET-MAX, 20MHz BAND WIDTH, PDSO14, PLASTIC, TSSOP-14
OPA4727PW	TI	获取价格	OPA4727PW
OPA4743	BB	获取价格	12V, 7MHz, CMOS, Rail-to-Rail I/O OPERATIONAL AMPLIFIERS
OPA4743	TI	获取价格	12V, 7MHz, CMOS, Rail-to-Rail I/O OPERATIONAL AMPLIFIERS
OPA4743EA/250	BB	获取价格	12V, 7MHz, CMOS, Rail-to-Rail I/O OPERATIONAL AMPLIFIERS
OPA4743EA/250	TI	获取价格	12V, 7MHz, CMOS, Rail-to-Rail I/O OPERATIONAL AMPLIFIERS

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