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Bare Die Product Detail: LSK489

N-Channel Dual Monolithic:
The LSK489 series of high performance monolithic dual JFETs features extremely low noise, tight offset voltage and low drift over temperature specifications, and is targeted for use in a wide range or precision instrumentation applications.

General purpose amplifier with ultra-low noise and low capacitance.

Features:

Ultra-low noise e_n 1.8nV/√Hz(TYP)
Low input capacitance C_ISS 4pF(TYP)
Low gate leakage, I_GSS & I_G
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:

BV_GSS -60V @ I_G = -1 mA, V_DS = 0V
I_GSS(MAX) -100 pA @ V_GS = -15V, V_DS = 0V
|V_GS1-V_GS2|_(MAX) 20mV @ V_DS = 10V, I_D = 1mA
V_P(MIN) -1.5V @ V_DS = 15V, I_D = 1 nA
V_P(MAX) -3.5V @ V_DS = 15V, I_D = 1 nA
I_DSS(MIN) 2.5mA @ V_DS = 15V, V_GS = 0V
I_DSS(MAX) 15mA @ V_DS = 15V, V_GS = 0V
G_fs(MIN) 1500µS @ V_DG = 15V, V_GS = 0V, f = 1kHz
e_n(MAX) 3nV/√Hz @ V_DS = 15V, I_D = 2000µA, f = 1kHz, NBW = 1Hz
C_ISS(MAX) 8pF @ V_DS = 15V, I_D = 500µA, V_GS = 0V, f = 1MHz
C_RSS(MAX) 3pF @ V_DS = 15V, V_GS = 0V, I_D = 500µA, 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.

N-Channel Dual Monolithic

Functional:

Type: Ultra-low Noise

Specification:

BV_GSS: -60V
I_GSS: -100pA
|V_GS1-V_GS2|: 20mV
∆|V_GS1-V_GS2|/∆T: n/a
V_{GS(OFF) MIN}: -1.50V
V_{GS(OFF) MAX}: -3.5V
I_DSS(MIN): 2.50mA
I_DSS(MAX): 15.0mA
g_fs(MIN): 1,500µS
e_n: 3.0nV√Hz
C_ISS(MAX): 8pF
C_RSS(MAX): 3.0pF

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.