36V Rad Hard Dual Precision Operational Amplifier ISL70227SEH Features The ISL70227SEH 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 ISL70227SEH 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. * Electrically Screened to DLA SMD# 5962-12223 Applications for these amplifiers include precision and analytical instrumentation, active filters, and power supply controls. * Low Input Voltage Offset . . . . . . . . . . . . . . . . . . . . . . 10V, Typ. The ISL70227SEH is available in a 10 lead hermetic ceramic flatpack and operates over the extended temperature range of -55C to +125C. * No Phase Reversal Applications * Power Supply Control * Industrial Controls * Active Filter Blocks * Data Acquisition * Wide Supply Range . . . . . . . . . . . . . . . . . . . .4.5V to 42V Max. * Very Low Voltage Noise . . . . . . . . . . . . . . . . . .2.5nV/Hz, Typ. * Gain-bandwidth Product . . . . . . . . . . . . . . . . . . . . . . . . 10MHz * Superb Offset Drift . . . . . . . . . . . . . . . . . . . . . . . . 1V/C, Max * Operating Temperature Range. . . . . . . . . . .-55C to +125C * Input Bias Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1nA, Typ. * Unity Gain Stable * Radiation Tolerance - SEL/SEB LETTH . . . . . . . . . . . . . . . . . . . . . . 86MeV*cm2/mg - High Dose Rate. . . . . . . . . . . . . . . . . . . . . . . . . . 100krad(Si) - Low Dose Rate . . . . . . . . . . . . . . . . . . . . . . . . . 100krad(Si)* * Product capability established by initial characterization. The EH version is acceptance tested on a wafer by wafer basis to 50krad(Si) at low dose rate. Related Literature * AN1669, "ISL70227SRH Evaluation Board User's Guide" * AN1756, "Single Events Effects Testing of the ISL70227RH, Dual 36V Rad Hard Precision Operational Amplifiers" R3 25 243 V+ 20 GROUNDED VIN R1 ISL70227SEH R2 + 95.3 232 C2 680pF V- OUTPUT VOS (V) 15 BIASED 10 5 C1 0 0 1.5nF Sallen-Key Low Pass Filter (1MHz) FIGURE 1. TYPICAL APPLICATION August 24, 2012 FN7958.1 1 10 20 30 40 50 60 70 80 90 100 TOTAL DOSE (krad(Si)) FIGURE 2. OFFSET VOLTAGE vs LOW DOSE RADIATION CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2012. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. ISL70227SEH Ordering Information ORDERING NUMBER (Notes 1, 2) PART MARKING TEMP RANGE (C) PACKAGE (Pb-free) PKG. DWG. # 5962R1222301VXA ISL70227SEHVF -55 to +125 10 Ld Flatpack K10.A ISL70227SEHF/PROTO ISL70227 SEHF/PROTO -55 to +125 10 Ld Flatpack K10.A 5962R1222301V9A ISL70227SEHVX -55 to +125 Die ISL70227SEHX/SAMPLE ISL70227SEHVX/SAMPLE -55 to +125 Die ISL70227MHEVAL1Z Evaluation Board NOTES: 1. These Intersil Pb-free Hermetic packaged products employ 100% Au plate - e4 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. 2. For Moisture Sensitivity Level (MSL), please see device information page for ISL70227SEH. For more information on MSL please see techbrief TB363. Pin Configuration ISL70227SEH (10 LD FLATPACK) TOP VIEW OUTA 1 10 -IN A 2 9 OUT B 8 -IN B 7 +IN B 6 NC +IN A 3 NC 4 V- 5 - + + - V+ Pin Descriptions PIN NUMBER PIN NAME EQUIVALENT CIRCUIT DESCRIPTION 3 +IN A Circuit 1 Amplifier A non-inverting input 5 V- Circuit 3 Negative power supply 7 +IN B Circuit 1 Amplifier B non-inverting input 8 -IN B Circuit 1 Amplifier B inverting input 9 OUT B Circuit 2 Amplifier B output 10 V+ Circuit 3 Positive power supply 1 OUT A Circuit 2 Amplifier A output 2 -IN A Circuit 1 Amplifier A inverting input 4, 6 NC - Not Connected - This pin is not electrically connected internally. V+ IN- V+ V- V- CIRCUIT 2 2 CAPACITIVELY TRIGGERED ESD CLAMP OUT IN+ CIRCUIT 1 V+ V- CIRCUIT 3 FN7958.1 August 24, 2012 ISL70227SEH Absolute Maximum Ratings Thermal Information Maximum Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42V Maximum Supply Voltage (LET = 86.4 MeV*cm2/mg) . . . . . . . . . . . . . 36V Maximum Differential Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA Maximum Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5V Min/Max Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . V- - 0.5V to V+ + 0.5V Max/Min Input Current for Input Voltage >V+ or