ISL71218M

Dual 36V Precision Single-Supply, Rail-to-Rail Output, Low-Power Operational Amplifier

OVERVIEW

The ISL71218M is a radiation tolerant dual, low-power precision amplifier optimized for single-supply applications. This op amp features a common-mode input voltage range extending to 0.5V below the V- rail, a rail-to-rail differential input voltage range, and rail-to-rail output voltage swing, which makes it ideal for single-supply applications where input operation at ground is important.

This op amp features low-power, low-offset voltage, and low-temperature drift, making it ideal for applications requiring both high DC accuracy and AC performance. It is designed to operate over a single supply range of 3V to 36V, or a split supply voltage range of +1.8V/-1.2V to ±18V. The combination of precision and small footprint provides the user with outstanding value and flexibility relative to similar competitive parts.

Applications for these amplifiers include precision instrumentation, data acquisition, and precision power supply controls.

The ISL71218M is available in an 8 Ld SOIC and operates across the extended temperature range of -55°C to +125°C.

KEY FEATURES

  • Passes NASA low outgassing specifications
  • Wide single and dual supply range: 3V to 30V (±10%)
  • Low current consumption: 850μA, typical
  • Low input offset voltage: 40μV, typical
  • Rail-to-rail output: <10mV
  • NiPdAu-Ag lead finish
  • Dielectrically isolated PR40 process
  • Rail-to-rail input differential voltage range for comparator applications
  • Operating temperature range: -55°C to +125°C
  • Below-ground (V-) input capability to -0.5V
  • Low noise voltage: 5.6nV/√Hz, typical
  • Low noise current: 355fA/√Hz, typical
  • Offset voltage temperature drift: 0.3μV/°C, typical
  • No phase reversal
  • Characterized radiation levels
  • Low dose rate (<10mrad(Si)): 30krad(Si)
  • Single event burnout LET: 43MeV•cm2/mg

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
ISL71218M
Basic Information
Production Status
Mass Production
# of Devices/ Channels
2
Bandwidth (MHz)
4
Slew Rate (V/μs)
1.2
VS (min)
3 V
VS (max)
36 V
IS (per amp)
1.4 mA
Noise VN (nV/√Hz)
5.6
Max Offset Voltage
0.29 mV
Low Dose Rate (ELDRS) krad(Si)
30
IOUT
10 mA
Rail-to-Rail Input
No
Rail-to-Rail Output
Yes
PSRR (dB)
100
CMRR (dB)
97
AVOL (dB)
115
SEL (MeV/mg/cm2)
43
Temperature Range
-55 to +125

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