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Bare Die Product Detail: LSJ689

P-Channel Dual Monolithic:
Monolithic Dual P-Channel JFET amplfier - Low noise, low capacitance. The LSJ689 uses a unique interleaved construction to deliver excellent matching & thermal tracking with high CMRR, slew rate and with low leakage.
This device features ultra-low noise with low input capacitance. Suitable for use in a wide range of precision instrumentation applications..
Features:
  • Ultra-low noise en 1.9nV/√Hz(TYP)
  • Low input capacitance CISS 8pF(TYP)
  • Low gate leakage, IGSS & IG
  • Tight differential voltage match versus current
  • Improved operational amplifier speed settling time accuracy
  • Minimum input error trimming error voltage
  • Lower intermodular distortion

Applications:

  • Wideband differential amplifiers
  • High-speed temperature compensated single-ended input amplifiers
  • High speed comparators
  • Impedance converters

Test conditions:

  • BVGSS 50V @ IG = 1µA, VDS = 0V
  • IGSS(MAX) 100 pA @ VGS = 0V, VDS = -15V
  • |VGS1-VGS2|(MAX) 20mV @ VDS = -15V, IG = -1mA
  • VP(MIN) 1.5V @ VDS = -15V, ID = -1 nA
  • VP(MAX) -3.5V @ VDS = -15V, ID = -1 nA
  • IDSS(MIN) 2.5mA @ VDS = -15V, VGS = 0V
  • IDSS(MAX) 15mA @ VDS = -15V, VGS = 0V
  • Gfs(MIN) 1500µS @ VDS = -15V, VGS = 0V, f = 1kHz
  • en(TYP) 1.9nV/√Hz @ VDS = -15V, ID = -2mA, f = 1kHz, NBW = 1Hz
  • CISS(TYP) 8pF @ VDS = -15V, ID = -200µA, VGS = 0V, f = 1MHz
  • CRSS(TYP) 3pF @ VDS = -15V, VGS = 0V, ID = -200µA, f = 1MHz
Vendor:
Linear Systems
  Electrical Datasheet

Die Physical Data:
Footprint: 0.640mm² (992mil²)
  Request Pad Layout
Product Families: Used for this device are tabulated below.
Functional:
    N/A
Specification:
BVGSS: 50V
IGSS: 100pA
|VGS1-VGS2|: 20mV
∆|VGS1-VGS2|/∆T:   n/a
VGS(OFF) MIN: 1.5V
VGS(OFF) MAX: 5.0V
IDSS(MIN): -2.5mA
IDSS(MAX): -30mA
gfs(MIN): 1,500mS
en: 1.9nV√Hz
CISS(MAX): 8pF
CRSS(MAX): 3pF
Other Detail: Important information for this device is tabulated below.
Traffic light setting for Minimum Order Quantity indicates the following:
  • Green:Available from stock or at low factory MOQ.
  • Amber: Available on factory order with MOQ.
  • Red: High factory MOQ may apply, please ask for details.
Traffic light setting for High Reliability indicates the following:
  • Green: This bare die is specified and tested for use in high reliability applications.
  • Amber: This bare die can meet higher reliability specifications with additional testing & qualification, please ask for details.
  • Red: This bare die is not specified or specifically designed for use in high reliability applications.
Traffic light setting for Space Grade indicates the following:
  • Green: This bare die is qualified for space applications or has space level qualification data, please ask for details.
  • Amber: This bare die can be specified for space applications with additional testing and qualification, please ask for details.
  • Red: Suitability of this bare die for space applications is unknown and requires further qualification, please ask for details.

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