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Dual and Quad Micropower Chopper Stabilized, RRIO
Operational Amplifiers
ISL28233, ISL28433
The ISL28233 and ISL28433 are dual and quad micropower,
chopper stabilized operational amplifiers that are optimized for
single and dual supply operation from 1.8V to 6.0V and ±0.825V
to ±3.0V. Their low supply current of 18A and wide input range
enable the ISL28233, ISL28433 to be excellent general purpose
op amps for a wide range of applications. The ISL28233 and
ISL28433 are ideal for handheld devices that operate off 2 AA or
single Li-ion batteries.
The ISL28233 is available in 8 Ld MSOP, 8 Ld SOIC and 8 Ld DFN
packages. The ISL28433 is available in 14 Ld TSSOP, 14 Ld SOIC
and 14 Ld 3mmx4mm TDFN packages. All devices operate over
the temperature range of -40°C to +125°C.
Related Literature
See AN1596, “ISL28233SOICEVAL1Z Evaluation Board User’s
Guide”
See AN1575, “ISL28433SOICEVAL1Z, ISL28433TSSOPEVAL1Z
Evaluation Board User’s Guide”
Features
Low Input Offset Voltage . . . . . . . . . . . . . . . . . . . . . . 6V, Max.
Low Offset Drift . . . . . . . . . . . . . . . . . . . . . . . 0.05V/°C, Max.
Quiescent Current (Per Amplifier) . . . . . . . . . . . . . .18A, Typ.
Single Supply Range . . . . . . . . . . . . . . . . . . . . .+1.8V to +6.0V
Dual Supply Range. . . . . . . . . . . . . . . . . . . . ±0.825V to ±3.0V
Low Noise (0.01Hz to 10Hz) . . . . . . . . . . . . . . . . . 1.0VP-P, Typ.
Rail-to-Rail Inputs and Output
Input Bias Current . . . . . . . . . . . . . . . . . . . . . . . . .180pA, Max.
Operating Temperature Range . . . . . . . . . . . .-40°C to +125°C
Applications
Bi-Directional Current Sense
Temperature Measurement
Medical Equipment
Electronic Weigh Scales
Precision/Strain Gauge Sensor
Precision Regulation
Low Ohmic Current Sense
High Gain Analog Front Ends
Typical Application
VOS vs Temperature
BI-DIRECTIONAL CURRENT SENSE AMPLIFIER
I-SENSE+
0.1
4.99k
499k
+
-
V+
V-
GND
VSENSE
OUT
VREF
V+
+1.8V TO +6.0V
I-SENSE-
TEMPERATURE (°C)
IN
P
U
T
OFFSE
T
VO
LT
AGE
(V)
-4
-3
-2
-1
0
1
2
3
4
-50
-25
0
25
50
75
100
125
July 26, 2011
FN7692.3
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|Copyright Intersil Americas Inc. 2010, 2011. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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ISL28433FRTZ 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual and Quad Micropower Chopper Stabilized, RRIO Operational Amplifiers
ISL28433FRTZ-T13 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual and Quad Micropower Chopper Stabilized, RRIO Operational Amplifiers
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