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Bare Die Product Detail: LS846

N-Channel Low Noise Amp.:
Low noise, low leakage single N-Channel JFET amplifier. The LS846 is a high-performance JFET featuring extremely low noise and low leakage and is targeted for use in a wide range of precision instrumentation applications.

This device features ultra-low noise and low input capacitance. For equivalent Monolithic Dual, see LS843 family.

Features:

Low leakage i_G = 15pA TYP
Low noise e_n = 3nV/√Hz TYP

Applications:

Wideband differential amplifiers
High-speed temperature compensated single-ended input amplifiers
High-speed comparators
Impedance converters and vibration detectors

Test conditions:

BV_GSS -60V @ I_D = 1nA, V_DS = 0V
I_GSS(MAX) -100pA @ V_GS= -15V, V_DS = -0V
V_P(MIN) -1V @ V_DS= 15V, I_D= 1nA
V_P(MAX) -4V @ V_DS= 15V, I_D= 1nA
I_DSS(MIN) 0.9mA @ V_DS= 15V, V_GS = 0V
I_DSS(MAX) 4.5mA @ V_DS= 15V, V_GS = 0V
e_n 7nV/Hz @ f = 1kHz, V_DS = 15V, I_D = 500µA, NBW = 6Hz
g_fs(MIN) 1mS @ V_DS=15V, I_D = 200µA
C_ISS(MAX) 8pF @ V_DS= 15V, I_D = 500µA, f = 1MHz
C_RSS(MAX) 3pF @ V_DS= 15V, I_D = 500µA, f = 1MHz

Vendor:
Linear Systems
Electrical Datasheet

Die Physical Data:
Footprint: 0.383mm² (594mil²)
Request Pad Layout

Product Families: Used for this device are tabulated below.

N-Channel Low Noise Amp.

Functional:

N/A

Specification:

BV_GSS: -60V
I_GSS: -100pA
V_{GS(OFF) MIN}: -1.0V
V_{GS(OFF) MAX}: -3.5V
I_DSS(MIN): 1.5mA
I_DSS(MAX): 15.0mA
I_DSS @ V_DS: 15V
e_n: 3.0nV√Hz
g_fs(MIN): 1.0mS
C_ISS(MAX): 8pF
C_RSS(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.