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特性

  • Electrically screened to DLA SMD 5962-18217
  • Wide operating voltage range: 3V to 40V
  • High initial accuracy (+V = 20V at +25°C): ±0.30%
  • High output impedance: 14MΩ (typical)
  • Completely floating: No ground connection
  • Radiation acceptance testing
    • High dose rate (50-300rad(Si)/s): 100krad(Si)
    • Low dose rate (0.01rad(Si)/s): 75krad(Si)
  • Radiation acceptance testing
    • Low dose rate (0.01rad(Si)/s): 75krad(Si)
  • SEE hardness
    • No SEB/SEL LETTH, +V = 35V: 86MeV•cm2/mg
    • SET duration (time recovery) ≤ 125µs

描述

The ISL70592SEH is a radiation hardened precision 1mA current source IC. The device has excellent accuracy of ±1% over a wide operating voltage range of 3V to 40V and over a temperature range of -55°C to +125°C. Fabricated with the Renesas proprietary PR40 Silicon-on-Insulator (SOI) process, the device is immune to single-event latch-up. The high output impedance of the device makes it insensitive to voltage drops across long lines. It can withstand a forward operating voltage of 40V and a reverse voltage of -0.5V. The ISL7x591SEH and ISL7x592SEH are two terminal floating current sources allowing them to be used in high-side, low-side, and dual-side load applications such as sensor excitation, biasing networks, low voltage references, floating voltage references, and ramp generators. The current sources were primarily designed for thermistor and other sensor excitation applications widely used in spacecraft. The device is available in a 4 Ld ceramic flatpack and die forms. The temperature range is -55°C to +125°C.

产品参数

属性
RatingSpace
Accuracy±0.3%
Continuous Output Current (mA)1
Output Impedance (MΩ)14
Supply Voltage (min) (V)3 - 3
Supply Voltage (max) (V)40 - 40
Temp. Range (°C)-40 to +105°C, -40 to +125°C, -55 to +125°C
TID HDR (krad(Si))100
TID LDR (krad(Si))75
DSEE (MeV·cm2/mg)86
FlowRH Hermetic
Qualification LevelClass V, EM
Die Sale Availability?Yes
PROTO Availability?Yes

封装选项

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
0.0 x 0.0 x 0.00
CFP4.2 x 6.5 x 0.0042.5
DIE

应用

  • Sensor excitation
  • Biasing network
  • Low-voltage references
  • Ramp generators
Part NumberStatusSamplesStockPackageLead Count (#)Carrier TypeMoisture Sensitivity Level (MSL)Pitch (mm)Pkg. Dimensions (mm)DLA SMDPb (Lead) FreePb Free CategoryMOQCAGE code
ISL70592SEHF/PROTOActiveAvailableIn StockCFP4#TrayNot Applicable2.5mm4.2 x 6.5 x 0.00ExemptGold Plate over compliant Undercoat-e4134371
ISL70592SEHVFActiveN/AIn StockCFP4#TrayNot Applicable2.5mm4.2 x 6.5 x 0.005962R1821703VXCExemptGold Plate over compliant Undercoat-e42534371
ISL70592SEHVXActiveN/AOut of StockDIE5962R1821703V9ANo10034371
ISL70592SEHX/SAMPLEActiveN/AOut of StockPackageDie Waffle PackNot Applicable0.0 x 0.0 x 0.00YesNot Applicable134371

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