Renesas Electronics ISL28227 Precision Dual Low Noise Op Amps
Renesas Electronics ISL28227 Precision Dual Low Noise Operational Amplifiers (Op Amps) are very high precision devices featuring very low noise, low offset voltage, low input bias current, and low temperature drift. These features make the Renesas ISL28227 op amps an ideal choice for applications requiring both high DC accuracy and AC performance. The combination of precision, low noise, and a small footprint provides the user with outstanding value and flexibility relative to similar competitive products.
The ISL28227 dual op amps are available in 8-lead SOIC, TDFN, and MSOP packages. All devices are offered in standard pin configurations and operate over an extended -40°C to +125°C temperature range. Applications for these amplifiers include precision active filters, medical/analytical instrumentation, precision power supply controls, and industrial controls.
Features
- Low ±70µV (maximum) input offset voltage
- Superb 0.5µV/°C (maximum) offset voltage TC
- Wide 4.5V to 40V supply range
- Very low 2.5nV/Hz voltage noise
- ±10nA maximum input bias current
- 10MHz gain-bandwidth product, unity gain stable
- No phase reversal
- -40°C to +125°C operating temperature range
- 8-lead SOIC, TDFN, and MSOP packages
Applications
- Precision instruments
- Medical instrumentation
- Industrial controls
- Active filter blocks
- Data acquisition
- Power supply control
Specifications
- 2V maximum supply voltage
- 20mA maximum differential input current
- 0.5V maximum differential input voltage
- 1nA typical input offset current
- 1nA typical input bias current
- 120dB typical common-mode rejection ratio
- 117dB typical power supply rejection ratio
- 1500V/mV typical open-loop gain
- 2.2mA typical supply current per amplifier
- ±45mA typical short-circuit
- 85nVP-P typical voltage noise
- 2.5nV/√Hz to 3nV/√Hz typical voltage noise density range
- 0.4pA/√Hz typical current noise density
- 0.00022% to 0.0034% typical total harmonic distortion + noise range
- ±3.6V/µs typical slew rate
- 36ns typical rise time
- 38ns typical fall time
- 1.7µs typical output overload recovery time
- Indefinite output short-circuit duration (1x output at a time)
- +150°C maximum operating junction temperature
- ESD tolerance
- 6.0kV Human Body Model (HBM) per JESD22-A114F
- 500V Machine Model per EIA/JESD22-A115-A
- 1.5kV Charged Device Model (CDM) per JESD22-C101D
Typical Application
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