ISL28166, ISL28266
®
Data Sheet
March 20, 2008
FN6155.3
39µA Micropower Single and Dual
Rail-to-Rail Input-Output Low Input Bias
Current (RRIO) Op Amps
Features
• 39µA typical supply current
• 5nA max input bias current
The ISL28166 and ISL28266 are micropower precision
operational amplifiers optimized for single supply operation
at 5V and can operate down to 2.4V.
• 250kHz gain bandwidth product (A = 1)
V
• 2.4V to 5V single supply voltage range
• Rail-to-rail input and output
• Enable pin (ISL28166 only)
• Pb-free (RoHS compliant)
These devices feature an Input Range Enhancement Circuit
(IREC), which enables them to maintain CMRR performance
for input voltages greater than the positive supply. The input
signal is capable of swinging 0.5V above a 5.0V supply (0.25
for a 2.5V supply) and to within 10mV from ground. The
output operation is rail-to-rail.
Applications
• Battery- or solar-powered systems
• 4mA to 20mA current loops
• Handheld consumer products
• Medical devices
The 1/f corner of the voltage noise spectrum is at 1kHz. This
results in low frequency noise performance, which can only
be found on devices with an order of magnitude higher than
the supply current.
ISL28166 and ISL28266 can be operated from one lithium
cell or two Ni-Cd batteries. The input range includes both
positive and negative rail. The output swings to both rails.
• Sensor amplifiers
• ADC buffers
• DAC output amplifiers
Pinouts
Ordering Information
PART NUMBER
(Note)
PART
MARKING
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL28166
(6 LD SOT-23)
TOP VIEW
ISL28166FHZ-T7*
GABY
8266Z
6 Ld SOT-23
8 Ld MSOP
MDP0038
MDP0043
Coming Soon
ISL28266FUZ
OUT
V-
1
2
3
6
5
4
V+
ENABLE
IN-
Coming Soon
ISL28266FUZ-T7*
8266Z
8 Ld MSOP
MDP0043
MDP0027
MDP0027
+
-
IN+
Coming Soon
ISL28266FBZ
28266 FBZ 8 Ld SOIC
28266 FBZ 8 Ld SOIC
Coming Soon
ISL28266FBZ-T7*
ISL28266
ISL28266
(8 LD MSOP)
TOP VIEW
(8 LD SOIC)
TOP VIEW
*Please refer to TB347 for details on reel specifications.
NOTE: 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.
OUT_A
IN-_A
IN+_A
V-
1
2
3
4
8 V+
OUT_A
IN-_A
IN+_A
V-
1
2
3
4
8
7
6
5
V+
7
6
5
OUT_B
IN-_B
OUT_B
IN-_B
IN+_B
-
+
-
+
+
-
+
-
IN+_B
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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