OPA343 単一電源電圧、レールツーレール・オペアンプ、Mic roAmplifier™ シリーズ | TIJ.co.jp

OPA343
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単一電源電圧、レールツーレール・オペアンプ、Mic roAmplifier™ シリーズ

 

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概要

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.

特長

  • 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

機能一覧

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Part number オーダー・オプション Number of channels (#) Total supply voltage (Min) (+5V=5, +/-5V=10) Total supply voltage (Max) (+5V=5, +/-5V=10) GBW (Typ) (MHz) Slew rate (Typ) (V/us) Rail-to-rail Vos (offset voltage @ 25 C) (Max) (mV) Iq per channel (Typ) (mA) Vn at 1 kHz (Typ) (nV/rtHz) Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG) Offset drift (Typ) (uV/C) Features Input bias current (Max) (pA) CMRR (Typ) (dB) Output current (Typ) (mA) Architecture
OPA343 ご注文 1     2.5     5.5     5.5     6     In
Out    
8     0.85     25     Catalog     -40 to 85     SOIC | 8
SOT-23 | 5    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)    
3         10     92     50     CMOS    
OPA2343 ご注文 2     2.5     5.5     5.5     6     In
Out    
8     0.85     25     Catalog     -40 to 85     SOIC | 8
VSSOP | 8    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)    
3         10     92     50     CMOS    
OPA4343 ご注文 4     2.5     5.5     5.5     6     In
Out    
8     0.85     25     Catalog     -40 to 85     SOIC | 14
SSOP | 16
TSSOP | 14    
14SOIC: 52 mm2: 6 x 8.65 (SOIC | 14)
16SSOP: 29 mm2: 6 x 4.9 (SSOP | 16)
14TSSOP: 32 mm2: 6.4 x 5 (TSSOP | 14)    
3         10     92     50     CMOS