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other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Linear Integrated Systems.

FEATURES 

HIGH INPUT IMPEDANCE 

HIGH TRANSCONDUCTANCE 

ABSOLUTE MAXIMUM RATINGS 

Maximum Temperatures 

Storage Temperature ‐65°C to +150°C 

Operating Junction Temperature ‐55°C to +125°C 

Maximum Power Dissipation 

Continuous Power Dissipation @ +125°C 

200mW 

Maximum Currents 

2.3mW/°C 

Drain Current 

Maximum Voltages 

Drain to Source 

Gate to Source 

  

 

ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted)

SYMBOL 

CHARACTERISTICS 

MIN. 

TYP. 

MAX. 

UNITS 

CONDITIONS 

Drain to Source Voltage ‐20 

‐‐ 

‐‐ 

V 

Collector to Source Voltage ‐12 ‐10 ‐7 

V 

Common Source Forward 

Transconductance 

30000 

‐‐ 

‐‐ 

µS  

IDS = 10mA, VGS = ‐10V, f =1kHz 

 

Common Source Output Conductance 

‐‐ 

300 

‐‐ 

Gate to Source Input Resistance 

100 

‐‐ 

‐‐ 

GΩ 

VGS = 0 to 20V, TJ to 125°C 

Input Capacitance 

‐‐ 

8 

‐‐ 

pA 

IDS = 100µA, VDS = ‐10V 

Reverse Transfer Capacitance 

‐‐ 

1.5 

‐‐ 

pF 

IDS = 10mA, VGS = ‐10V 

Noise Voltage 

‐‐ 

25 

‐‐ 

µV 

IDS = 10mA, VDS = 10V, BW = 50 to 15 kHz 

 

Notes: 

1. Absolute Maximum ratings are limiting values above which serviceability may be impaired

2. The gate to source voltage must never exceed 100V, t < 10ms 

3. Additional screening available 

 

 

 

 

LS320

BiFET Amplifier

LS320 Features:

High Input Impedance

High Transconductance

The LS320 is a high input impedance amplifer produced

using a BiFET process and packaged in TO-72

The hermetically sealed TO-72 package is well suited

for hi-rel and harsh environment applications.

(See Packaging Information).

Linear Systems High Input Impedance BiFET Amplifier

Micross Components Europe

Available Packages:

LS320 in TO-72

LS320 in bare die.

Please contact Micross for full

package and die dimensions

Tel: +44 1603 788967

TO-72 (Bottom View)