DATASHEET ISL28233, ISL28433 FN7692 Rev 3.00 Dual and Quad Micropower Chopper Stabilized, RRIO Operational Amplifiers July 26, 2011 The ISL28233 and ISL28433 are dual and quad micropower, Features chopper stabilized operational amplifiers that are optimized Low Input Offset Voltage 6V, Max. 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 Low Offset Drift . 0.05V/C, Max. input range enable the ISL28233, ISL28433 to be excellent Quiescent Current (Per Amplifier) 18A, Typ. general purpose op amps for a wide range of applications. The Single Supply Range .+1.8V to +6.0V ISL28233 and ISL28433 are ideal for handheld devices that operate off 2 AA or single Li-ion batteries. Dual Supply Range . 0.825V to 3.0V The ISL28233 is available in 8 Ld MSOP, 8 Ld SOIC and 8 Ld Low Noise (0.01Hz to 10Hz) . 1.0V , Typ. P-P DFN packages. The ISL28433 is available in 14 Ld TSSOP, Rail-to-Rail Inputs and Output 14 Ld SOIC and 14 Ld 3mmx4mm TDFN packages. All devices Input Bias Current .180pA, Max. operate over the temperature range of -40C to +125C. Operating Temperature Range -40C to +125C Related Literature Applications See AN1596, ISL28233SOICEVAL1Z Evaluation Board Users Guide Bi-Directional Current Sense See AN1575, ISL28433SOICEVAL1Z, ISL28433TSSOPEVAL1Z Temperature Measurement Evaluation Board Users Guide Medical Equipment Electronic Weigh Scales Precision/Strain Gauge Sensor Precision Regulation Low Ohmic Current Sense High Gain Analog Front Ends Typical Application V vs Temperature OS V 4 + I-SENSE+ +1.8V TO +6.0V 3 V REF 499k 2 4.99k 1 + V+ V SENSE V- 0 OUT 0.1 - 4.99k 499k -1 -2 -3 GND I-SENSE- -4 -50 -25 0 25 50 75 100 125 BI-DIRECTIONAL CURRENT SENSE AMPLIFIER TEMPERATURE (C) FN7692 Rev 3.00 Page 1 of 25 July 26, 2011 INPUT OFFSET VOLTAGE (V)ISL28233, ISL28433 Ordering Information PART NUMBER PART PACKAGE PKG. (Notes 1, 2, 3) MARKING (Pb-Free) DWG. ISL28233FUZ 233FZ 8 Ld MSOP M8.118A ISL28233FRZ 233Z 8 Ld 3mmx3mm DFN L8.3x3J ISL28233FBZ 28233 FBZ 8 Ld SOIC M8.15E ISL28433FBZ 28433 FBZ 14 Ld SOIC MDP0027 ISL28433FVZ 28433 FVZ 14 Ld TSSOP MDP0044 Coming Soon ISL28433FRTZ TBD 14 Ld 3x4 mm TDFN TBD ISL28233SOICEVAL1Z Evaluation Board ISL28433TSSOPEVAL1Z Evaluation Board ISL28433SOICEVAL1Z Evaluation Board NOTES: 1. Add -T* suffix for tape and reel. Please refer to TB347 for details on reel specifications. 2. 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. 3. For Moisture Sensitivity Level (MSL), please see device information page for ISL28233, ISL28433. For more information on MSL please see techbrief TB363. FN7692 Rev 3.00 Page 2 of 25 July 26, 2011