ISL28191 Datasheet, PDF (1/14 Pages) Intersil Corporation – Single and Dual Ultra-Low Noise, Rail-to-Rail, Op Amp

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Data Sheet
ISL28191, ISL28291
April 13, 2007
FN6156.2
Single and Dual Ultra-Low Noise,
Rail-to-Rail, Op Amp
The ISL28191 and ISL28291 are tiny single and dual
ultra-low noise, ultra-low distortion operational amplifiers.
Fully specified to operated down to +3V single supply. These
amplifiers have outputs that swing rail-to-rail, and an input
common mode voltage that extends to ground (ground
sensing).
The ISL28191 and ISL28291 are unity gain stable with an
input referred voltage noise of 1.7nV/√Hz. Both parts feature
2^nd and 3^rd harmonic distortion of -76dBc and -70dBc,
respectively.
The ISL28191 is available in the space-saving 6 Ld µTDFN
(1.6mm x 1.6mm) and SOT-23 packages. The ISL28291 is
available in the 10 Ld µTQFN (1.8mm x 1.4mm) and MSOP
packages. All devices are guaranteed over -40°C to +125°C.
Ordering Information
PART NUMBER PART TAPE & PACKAGE
(Note)
MARKING REEL (Pb-free)
PKG.
DWG. #
ISL28191FHZ-T7 GABJ
3k pcs 6 Ld SOT-23 MDP0038
Coming Soon
ISL28191FRUZ-TK
1k pcs 6 Ld μTDFN L6.1.6x1.6A
ISL28291FUZ
8291Z
50/tube 10 Ld MSOP MDP0043
ISL28291FUZ-T7 8291Z
Coming Soon
ISL28291FRUZ-T7
1.5k pcs 10 Ld MSOP MDP0043
1k pcs 10 Ld μTQFN L10.1.8x1.4A
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100% matte
tin plate termination finish, which are RoHS compliant and compatible
with both SnPb and Pb-free soldering operations. Intersil Pb-free
products are MSL classified at Pb-free peak reflow temperatures that
meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
Features
• 1.7nV/√Hz input voltage noise at 1kHz
• Harmonic Distortion -76dBc, -70dBc, f_o = 1MHz
• 61MHz -3dB bandwidth
• 630µV maximum offset voltage
• 3µA input bias current
• 100dB typical CMRR
• 3V to 5.5V single supply voltage range
• Rail-to-rail output
• Ground Sensing
• Enable pin
• Pb-free plus anneal available (RoHS compliant)
Applications
• Low noise signal processing
• Low noise microphones/preamplifiers
• ADC buffers
• DAC output amplifiers
• Digital scales
• Strain gauges/sensor amplifiers
• Radio systems
• Portable equipment
• Infrared detectors
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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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