ISL28191_08 Datasheet, PDF (1/16 Pages) Intersil Corporation – Single and Dual Single Supply Ultra-Low Noise, Low Distortion Rail-to-Rail Output, Op Amp

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Data Sheet
ISL28191, ISL28291
February 20, 2008
FN6156.5
Single and Dual Single Supply Ultra-Low
Noise, Low Distortion Rail-to-Rail Output,
Op Amp
The ISL28191 and ISL28291 are tiny single and dual
ultra-low noise, ultra-low distortion operational amplifiers.
They are fully specified to operate 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
0.00018% THD+N at 1kHz.
The ISL28191 is available in the space-saving 6 Ld µTDFN
(1.6mmx1.6mm) and 6 Ld SOT-23 packages. The ISL28291
is available in the 8 Ld SOIC, 10 Ld 1.8mmx1.4mm µTQFN
and 10 Ld MSOP packages. All devices are guaranteed over
-40°C to +125°C.
Ordering Information
PART
NUMBER
PART PACKAGE
MARKING (Pb-free)
PKG.
DWG. #
ISL28191FHZ-T7* (Note 1) GABJ
6 Ld SOT-23 MDP0038
Coming Soon
M8
ISL28191FRUZ (Note 2)
6 Ld µTDFN L6.1.6x1.6A
Coming Soon
M8
ISL28191FRUZ-T7* (Note 2)
6 Ld µTDFN L6.1.6x1.6A
ISL28291FUZ (Note 1)
8291Z 10 Ld MSOP MDP0043
ISL28291FUZ-T7* (Note 1) 8291Z 10 Ld MSOP MDP0043
Coming Soon
ISL28291FBZ (Note 1)
28291 FBZ 8 Ld SOIC MDP0027
Coming Soon
28291 FBZ 8 Ld SOIC MDP0027
ISL28291FBZ-T7 (Note 1)
Coming Soon
F
ISL28291FRUZ-T7* (Note 2)
10 Ld µTQFN L10.1.8x1.4A
*Please refer to TB347 for details on reel specifications.
NOTES:
1. These Intersil Pb-free plastic packaged products employ special
Pb-free material sets; molding compounds/die attach materials
and 100% matte tin plate PLUS ANNEAL - e3 termination finish,
which is 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.
2. These Intersil Pb-free plastic packaged products employ special
Pb-free material sets; molding compounds/die attach materials
and NiPdAu plate - e4 termination finish, which is 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
• 1kHz THD+N typical 0.00018% at 2V_P-P V_OUT
• 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 (not available in the 8 Ld SOIC package
option)
• Pb-free (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
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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