Datasheet > OPA3S328_V01

OPA3S328_V01

更新时间： 2024-09-28 02:52:07

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
36页	2256K
描述
OPA3S328 40-MHz, Dual, Precision, Low-Noise, Low-Input-Bias-Current CMOS Operational Amplifier With Integrated Switches

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OPA3S328_V01 数据手册

OPA3S328

SBOS937A – OCTOBER 2020 – REVISED SEPTEMBER 2021

OPA3S328 40-MHz, Dual, Precision, Low-Noise, Low-Input-Bias-Current

CMOS Operational Amplifier With Integrated Switches

1 Features

3 Description

•

Precision operational amplifier with integrated

switches for transimpedance applications

Wide bandwidth: 40 MHz

Low offset voltage: 60 µV (max)

Very low offset drift: 1 µV/°C (max)

Low input bias current: 0.2 pA

Rail-to-rail input and output

The OPA3S328 is

precision, low-voltage,

CMOS operational amplifier (op amp) with

integrated switches that are optimized for flexible

transimpedance applications. Low input bias current

and low input capacitance allows for high-frequency

transimpedance gains at low photocurrent operation

(< 1 nA). The integrated switches, low offset, and

rail-to-rail output performance of the OPA3S328

enable high accuracy across multiple decades of

current values. Small packages, along with integrated

switches, allow for selectable transimpedance

gains and help reduce size for space-constrained

applications.

•

Zero-crossover input stage

Low voltage noise: 6.1 nV/√Hz at 10 kHz

Low current noise: 0.125 pA/√Hz at 10 kHz

Low leakage switches: 10 pA

Slew rate: 30 V/µs

Quiescent current: 3.8 mA per channel

Current in shutdown mode: 30 µA

Output impedance in shutdown mode: 100 GΩ

Single-supply voltage range: 2.2 V to 5.5 V

Unity-gain stable

Small packages:

– 20-lead, 3.5-mm x 3.5-mm VQFN

– 2.0-mm x 2.0-mm DSBGA

The OPA3S328 features zero-crossover input

technology, giving the flexibility for the input common-

mode range to span the full supply range without

offset deviations. The device provides enable-disable

capability to allow for portable, handheld applications

in test and measurement. When disabled, the

OPA3S328 output impedance is typically 100 GΩ,

allowing for wired-OR applications using multiple

transimpedance channels.

2 Applications

•

Optical transport inter-dc interconnect

Optical module

Optical network terminal unit (ONT)

Small cell base station

Digital multimeter (DMM)

Data acquisition (DAQ)

Device Information

PART NUMBER

PACKAGE⁽¹⁾

BODY SIZE (NOM)

3.50 mm × 3.50 mm

2.00 mm × 2.00 mm

VQFN (20)

DSBGA (24)⁽²⁾

OPA3S328

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

addendum at the end of the data sheet.

(2) DSBGA package is preview.

V+

OUTA

INSA

OUTSA1

OUTSA2

–

–INA

+INA

OPA3S328

OUTSA3

(YBJ Package Only)

SELA1

SELA0

Switch Control

GND

SELB1

SELB0

-25

OUTSB1

OUTSB2

OUTSB3

–

–INB

+INB

-50

-3

-2

-1

Common-mode Voltage (V)

V–

OUTB

INSB

Input Offset Voltage vs Input Common-Mode

Voltage

Functional Block Diagram

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.

12 3 4 5 6 7...36

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与OPA3S328_V01相关器件

型号	品牌	获取价格	描述	数据表
OPA3S328RGRR	TI	获取价格	OPA3S328 40-MHz, Dual, Precision, Low-Noise, Low-Input-Bias-Current CMOS Operational Ampli
OPA3S328RGRT	TI	获取价格	OPA3S328 40-MHz, Dual, Precision, Low-Noise, Low-Input-Bias-Current CMOS Operational Ampli
OPA404	BB	获取价格	Quad High-Speed Precision Difet OPERATIONAL AMPLIFIER
OPA404	TI	获取价格	Quad High-Speed Precision Difet Â® OPERATIONA
OPA404AG	TI	获取价格	Quad High-Speed Precision Difet Â® OPERATIONA
OPA404AG	BB	获取价格	Quad High-Speed Precision Difet OPERATIONAL AMPLIFIER
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OPA404BG	TI	获取价格	Quad High-Speed Precision Difet Â® OPERATIONA
OPA404KP	TI	获取价格	Quad High-Speed Precision Difet Â® OPERATIONA
OPA404KP	BB	获取价格	Quad High-Speed Precision Difet OPERATIONAL AMPLIFIER

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