ISL70227SRH

36V Radiation Hardened Dual Precision Operational Amplifier

Product Status: Mass Production

OVERVIEW

The ISL70227SRH is a high precision dual operational amplifier featuring very low noise, low offset voltage, low input bias current and low temperature drift. These features, plus its radiation tolerance, make the ISL70227SRH the ideal choice for applications requiring both high DC accuracy and AC performance. The combination of precision, low noise and small footprint provides the user with outstanding value and flexibility relative to similar competitive parts.

Applications for these amplifiers include precision and analytical instrumentation, active filters, precision power supply controls, and industrial controls.

The ISL70227SRH is available in a 10 Ld hermetic ceramic flatpack and operates over the extended temperature range of -55°C to +125°C.

KEY FEATURES

  • Wide supply range: 4.5V to 36V max.
  • Very low voltage noise: 2.5nV/√Hz, typ.
  • Gain-bandwidth product: 10MHz
  • Superb offset drift: 1µV/°C, max
  • Operating temperature range: -55°C to +125°
  • Low input voltage offset: 10µV, typ.
  • Input bias current: 1nA, typ.
  • Unity gain stable
  • No phase reversal
  • Radiation tolerance
  • High dose rate: 100krad(Si)
  • SEB LETTH (VS = ±18V): 86.4MeV/mg/cm2 $
  • SEL immune (SOI process)

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
ISL70227SRH
Basic Information
Production Status
Mass Production
# of Devices/ Channels
2
Bandwidth (MHz)
10
Slew Rate (V/μs)
3.6
VS (min)
4.5 V
VS (max)
36 V
IS (per amp)
2.8 mA
Noise VN (nV/√Hz)
2.5
IBIAS (max)
12 nA
Max Offset Voltage
0.1 mV
Qualification Level
QML Class Q (military)
High Dose Rate (HDR) krad (Si)
100
IOUT
45 mA
Rail-to-Rail Input
No
Rail-to-Rail Output
No
PSRR (dB)
110
Class
M, /PROTO
CMRR (dB)
115
AVOL (dB)
120
SEL (MeV/mg/cm2)
86
Temperature Range
-55 to +125

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