OPA2349

更新时间： 2024-09-15 22:44:43

品牌	Logo	应用领域
BB		运算放大器
页数	文件大小	规格书
7页	144K
描述
1mA, Rail-to-Rail, CMOS OPERATIONAL AMPLIFIERS

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OPA2349 数据手册

OPA349

OPA2349

For most current data sheet and other product

information, visit www.burr-brown.com

1µA, Rail-to-Rail, CMOS

OPERATIONAL AMPLIFIERS

DESCRIPTION

FEATURES

The OPA349 and OPA2349 are ultra-low power op-

erational amplifiers that provide 70kHz bandwidth

with only 1µA quiescent current. These rail-to-rail

input and output amplifiers are specifically designed

for battery powered applications. Unlike some

micropower op amps, these parts are unity-gain stable

and require no external compensation. The OPA349’s

low input bias current allows the use of large source

and feedback resistors. The input common-mode volt-

age range extends 200mV beyond the power supply

rails and the output swings to within 150mV of the

rails, maintaining wide dynamic range.

● LOW SUPPLY CURRENT: 1µA

● GAIN-BANDWIDTH: 70kHz

● UNITY GAIN STABLE

● LOW INPUT BIAS CURRENT: 10pA

● WIDE SUPPLY RANGE: 1.8V to 5.5V

● INPUT RANGE 200mV BEYOND RAILS

● OUTPUT SWINGS TO 150mV OF RAILS

● OUTPUT DRIVE CURRENT: 20mA

● OPEN-LOOP GAIN: 90dB

● SOT23 MicroPACKAGES

OPA349 can be operated with power supplies from

1.8V to 5.5V with little change in performance, guar-

anteeing continuing superior performance even in low

battery situations.

APPLICATIONS

● BATTERY PACKS AND POWER SUPPLIES

● PORTABLE PHONES/PAGERS/CAMERAS

● SOLAR-POWERED SYSTEMS

● SMOKE/GAS/FIRE DETECTION SYSTEMS

● REMOTE SENSORS

● PCMCIA CARDS

● DRIVING A/D CONVERTERS

● MicroPOWER FILTERS

OPA349 comes in the miniature SOT23-5, SO-8 sur-

face mount and PDIP-8⁽¹⁾packages. OPA2349 dual is

also available in the SOT23 (8-lead SOT23-8), as well

as the SO-8 surface mount packages. These tiny pack-

ages are ideal for use in high-density applications,

such as PCMCIA cards, battery packs and portable

instruments.

All models are specified for the commercial tempera-

ture range, 0°C to +70°C.

OPA349

OPA2349

OPA349

V+

–In

+In

V–

Out A

–In A

+In A

V–

Out

V–

V+

Out B

–In B

+In B

Out

+In

–In

SOT23-5

SO-8, PDIP-8⁽¹⁾

NOTE: (1) Available Q4 2000.

SOT23-8, SO-8

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

•

Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706

• Tel: (520) 746-1111

Twx: 910-952-1111 Internet: http://www.burr-brown.com/

•

Cable: BBRCORP Telex: 066-6491

•

FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132

•

PDS-1568A

Printed in U.S.A. June, 2000

12 3 4 5 6 7

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与OPA2349相关器件

型号	品牌	获取价格	描述	数据表
OPA2349EA	BB	获取价格	1mA, Rail-to-Rail, CMOS OPERATIONAL AMPLIFIERS
OPA2349EA/250	TI	获取价格	Dual, 5.5-V, 70-kHz, low quiescent current (1
OPA2349EA/3K	TI	获取价格	Dual, 5.5-V, 70-kHz, low quiescent current (1
OPA2349EA250	TI	获取价格	1A, Rail-to-Rail I/O CMOS OPERATIONAL AMPLIFIERS
OPA2349EA3K	TI	获取价格	1A, Rail-to-Rail I/O CMOS OPERATIONAL AMPLIFIERS
OPA2349UA	BB	获取价格	1mA, Rail-to-Rail, CMOS OPERATIONAL AMPLIFIERS
OPA2349UA	TI	获取价格	1A, Rail-to-Rail I/O CMOS OPERATIONAL AMPLIFIERS
OPA2349UA/2K5	TI	获取价格	Dual, 5.5-V, 70-kHz, low quiescent current (1
OPA2349UA2K5	TI	获取价格	1A, Rail-to-Rail I/O CMOS OPERATIONAL AMPLIFIERS
OPA2349UA2K5G4	TI	获取价格	1A, Rail-to-Rail I/O CMOS OPERATIONAL AMPLIFIERS

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