ISL28233

Dual Micropower, Chopper Stabilized, RRIO Operational Amplifier

Product Status: Mass Production

OVERVIEW

The ISL28233 and ISL28433 are dual and quad micropower, chopper stabilized operational amplifiers that are optimized for single and dual supply operation from 1.65V to 6.0V and ±0.825V to ±3.0V. Their low supply current of 18µA 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.

KEY FEATURES

  • Low Input Offset Voltage: 6µV, Max.
  • Low Offset Drift: 0.05µV/°C, Max.
  • Quiescent Current (Per Amplifier): 18µA, Typ.
  • Single Supply Range: +1.65V to +6.0V
  • Dual Supply Range: ±0.825V to ±3.0V
  • Low Noise (0.01Hz to 10Hz): 1.0µVP-P, Typ.
  • Rail-to-Rail Inputs and Output
  • Input Bias Current: 180pA, Max.
  • Operating Temperature Range: -40°C to +125°C

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
ISL28233
Basic Information
Production Status
Mass Production
# of Devices/ Channels
2
Bandwidth (MHz)
0.4
Slew Rate (V/μs)
0.2
VS (min)
1.8 V
VS (max)
6 V
IS (per amp)
0.018 mA
Noise VN (nV/√Hz)
65
IBIAS
180 pA
IBIAS (max)
300 pA
Max Offset Voltage
0.006 mV
IOUT
17 mA
VOUT (V)
4.9
Rail-to-Rail Input
Yes
Rail-to-Rail Output
Yes
PSRR (dB)
138
CMRR (dB)
125
Thermal Shutdown
No
Gain Min
1
AVOL (dB)
174
Enable
No
Qualification Level
Standard
Can Sample
YES
Temperature Range
-40 to +125

Below you will find information to support the development of your application.

You can find an explanation of orderable part numbers here.

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Hardware Design Support

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