OPA2345| Datasheet

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OPA344
OPA 434 4 OPA 344
OPA 345

OPA2344 OPA4344

OPA345
OPA 342

OPA2345 OPA4345
SBOS107A APRIL 2000 REVISED AUGUST 2008

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LOW POWER, SINGLE-SUPPLY, RAIL-TO-RAIL OPERATIONAL AMPLIFIERS MicroAmplifier TM Series
FEATURES
q q q q RAIL-TO-RAIL INPUT RAIL-TO-RAIL OUTPUT (within 1mV) LOW QUIESCENT CURRENT: 150uA typ MicroSIZE PACKAGES SOT23-5 MSOP-8 TSSOP-14 q GAIN-BANDWIDTH OPA344: 1MHz, G 1 OPA345: 3MHz, G 5 q SLEW RATE OPA344: 0.8V/us OPA345: 2V/us q THD + NOISE: 0.006%

DESCRIPTION
The OPA344 and OPA345 series rail-to-rail CMOS operational amplifiers are designed for precision, low-power, miniature applications. The OPA344 is unity gain stable, while the OPA345 is optimized for gains greater than or equal to five, and has a gain-bandwidth product of 3MHz. The OPA344 and OPA345 are optimized to operate on a single supply from 2.5V and up to 5.5V with an input common-mode voltage range that extends 300mV beyond the supplies. Quiescent current is only 250uA (max). Rail-to-rail input and output make them ideal for driving sampling analog-to-digital converters. They are also well suited for general purpose and audio applications and providing I/V conversion at the output of D/A converters. Single, dual and quad versions have identical specs for design flexibility. A variety of packages are available. All are specified for operation from 40 C to 85 C. A SPICE macromodel for design analysis is available for download from www.ti.com.
OPA344, OPA345 Out V +In 1 2 3 SOT23-5 4 In 5 V+

APPLICATIONS
q q q q q q q PCMCIA CARDS DATA ACQUISITION PROCESS CONTROL AUDIO PROCESSING COMMUNICATIONS ACTIVE FILTERS TEST EQUIPMENT
OPA2344, OPA2345 Out A In A +In A V 1 2 3 4 A B 8 7 6 5 V+ Out B In B +In B
NC In +In V 1 2 3 4

OPA4344, OPA4345 Out A In A 1 2 A +In A 3 4 5 B C 9 8 In C Out C 6 7 D 12 11 10 +In D V +In C 14 13 Out D In D

OPA344, OPA345 8 7 6 5 NC V+ Out NC

+V +In B In B Out B

SO-8, MSOP-8, 8-Pin DIP (OPA2344 Only)

SO-8, 8-Pin DIP (OPA344 Only)

TSSOP-14, SO-14, 14-PIn DIP (OPA4344 Only)

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. All 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 Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

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