OPA728

更新时间： 2024-11-25 12:46:47

品牌	Logo	应用领域
德州仪器 - TI		电子
页数	文件大小	规格书
28页	1017K
描述
e-trim 20MHz, High Precision CMOS

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OPA728 数据手册

OPA727, OPA2727

OPA4727, OPA728

SBOS314H–SEPTEMBER 2004–REVISED APRIL 2007

e-trim™ 20MHz, High Precision CMOS

Operational Amplifier

FEATURES

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 and 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: 500pA (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 500pA, they are well suited

for use as transimpedance (I/V-conversion)

amplifiers for monitoring optical power in ONET

applications.

APPLICATIONS

•

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-e-trim version of OPA727)

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 in TSSOP-14. All versions are specified for

operation from –40°C to +125°C.

20MHz, 3mV, 4µV/°C, Shutdown

(non-e-trim version of OPA728)

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.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...28

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与OPA728相关器件

型号	品牌	获取价格	描述	数据表
OPA728AIDGKR	TI	获取价格	暂无描述
OPA728AIDGKRG4	TI	获取价格	OP-AMP, 300uV OFFSET-MAX, 20MHz BAND WIDTH, PDSO8, GREEN, PLASTIC, MSOP-8
OPA728AIDGKT	TI	获取价格	e-trim 20MHz, High Precision CMOS
OPA728AIDGKTG4	TI	获取价格	e-trim 20MHz, High Precision CMOS
OPA728AIDRBR	TI	获取价格	暂无描述
OPA728AIDRBRG4	TI	获取价格	OP-AMP, 150uV OFFSET-MAX, 20MHz BAND WIDTH, PDSO8, GREEN, PLASTIC, SON-8
OPA728AIDRBT	TI	获取价格	e-trim 20MHz, High Precision CMOS
OPA728AIDRBTG4	TI	获取价格	e-trim 20MHz, High Precision CMOS
OPA729		获取价格	10 Watt Light Bar on Anotherm Linear Heat Spreader
OPA729B		获取价格	10 Watt Light Bar on Anotherm Linear Heat Spreader

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