OPA343 - Single-Supply, Rail-to-Rail Operational Amplifiers MicroAmplifier™ Series

Updated : 2020-01-09 14:20:59
Description

OPA343 series rail-to-rail CMOS operational amplifiers are designed for low-cost, miniature applications. They are optimized for low-voltage, single-supply operation. Rail-to-rail input/output and high-speed operation make them ideal for driving sampling Analog-to-Digital (A/D) converters. They are also well suited for general-purpose and audio applications as well as providing I/V conversion at the output of Digital-to-Analog (D/A) converters. Single, dual, and quad versions have identical specifications for design flexibility.

The OPA343 series operates on a single supply as low as 2.5V, and input common-mode voltage range extends 500mV beyond the supply rails. Output voltage swings to within 1mV of the supply rails with a 100k load. They offer excellent dynamic response (BW = 5.5MHz, SR = 6V/us), yet quiescent current is only 850uA. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction.

The single (OPA343) packages are the tiny SOT-23-5 surface mount and SO-8 surface mount. The dual (OPA2343) comes in the miniature MSOP-8 surface mount and SO-8 surface mount. The quad (OPA4343) packages are the space-saving SSOP-16 surface mount, SO-14 surface mount, and TSSOP-14 surface mount. All are specified from \x9640°C to +85°C and operate from \x9655°C to +125°C. A SPICE macromodel is available for design analysis.

Products containing the "OPA343" keyword are: OPA3430A , OPA343NA , OPA343NA/250 , OPA343NA/250G4 , OPA343NA/250G4 , OPA343NA/3K , OPA343NA/3K , OPA343NA/3KG4 , OPA343NA/3KG4 , OPA343NA250 , OPA343NA3K , OPA343NA3KG4 , OPA343U , OPA343UA , OPA343UA , OPA343UA . , OPA343UA/2K5 , OPA343UA/2K5 , OPA343UA/2K5 G4 , OPA343UA/2K5E4
Features

  • RAIL-TO-RAIL INPUT/OUTPUT
  • MICRO SIZE PACKAGES
  • WIDE BANDWIDTH: 5.5MHz
  • HIGH SLEW RATE: 6V/us
  • LOW THD+NOISE: 0.0007% (f = 1kHz)
  • LOW QUIESCENT CURRENT: 850uA/chan
  • SINGLE, DUAL, AND QUAD VERSIONS
  • APPLICATIONS
    • DRIVING A/D CONVERTERS
    • PCMCIA CARDS
    • DATA ACQUISITION
    • AUDIO PROCESSING
    • COMMUNICATIONS
    • ACTIVE FILTERS
    • TEST EQUIPMENT

Parametrics
StatusACTIVE
Approx. price0.87 | 1ku
Number of channels1
Total Supply Voltage2.5
Rail-to-railIn^Out
GBW5.5
Slew Rate6
Package GroupSOIC|8
Vos (offset voltage @ 25 C)8
Iq per channel0.85
Vn at 1 kHz25
RatingCatalog
Operating temperature range-40 to 85
Package size: mm2:W x L (PKG)[pf]8SOIC[/pf]: 29 mm2: 6 x 4.9 (SOIC|8)
Offset drift3
FeaturesN/A
Input bias current10
CMRR92
Output current50
ArchitectureCMOS
Radiation, TID
Radiation, SEL
Input common mode headroom (to negative supply)-0.3
Input common mode headroom (to positive supply)0.3
Output swing headroom (to negative supply)0.001
Output swing headroom (to positive supply)-0.001
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