U440_TO-71 MICROSS [Micross Components], U440_TO-71 Datasheet

U440_TO-71

Manufacturer Part Number

U440_TO-71

Description

a tightly matched Monolithic Dual N-Channel JFET

Manufacturer

MICROSS [Micross Components]

Datasheet

1.U440_TO-71.pdf (1 pages)

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MATCHING CHARACTERISTICS @ 25°C (unless otherwise stated)

∆|V

ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted)

Notes:

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

2. Pulse Test: PW ≤ 300µs Duty Cycle ≤ 3%

3. Assumes smaller value in numerator

Information furnished by Linear Integrated Systems and Micross Components is believed to be accurate and reliable. However, no responsibility is assumed for its use; nor for any infringement of patents or

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.

The U440 are monolithic dual JFETs mounted in a

single TO-71 package. The monolithic dual chip design

reduces parasitics and gives better performance at very

high frequencies while ensuring extremely tight

matching. These devices are an excellent choice for

use as wideband differential amplifiers in demanding

test and measurement applications. The U440 is a

direct replacement for discontinued Siliconix U440.

The hermetically sealed TO-71 is well suited for military

applications.

U440 Applications:

Available Packages:

U440 in TO-71

U440 available as bare die

Please contact Micross for full package and die dimensions:

Email:

Web:

(See Packaging Information).

SYMBOL

GS1

GS(off)

DSS

GSS

www.micross.com/distribution.aspx

SYMBOL

DSS1

RSS

ISS

GS1

– V

GSS

chipcomponents@micross.com

CMRR

fs1

– V

GS2

/ G

Wideband Differential Amps

High-Speed,Temp-Compensated Single-

Ended Input Amps

High-Speed Comparators

Impedance Converters and vibrations

detectors

/ I

Click To Buy

DSS2

| / ∆T

GS2

fs2

Linear Systems replaces discontinued Siliconix U440

Gate to Source Breakdown Voltage

Gate to Source Saturation Current

Equivalent Input Noise Voltage

Gate to Source Cutoff Voltage

The U440 is a tightly matched Monolithic Dual N-Channel JFET

Reverse Transfer Capacitance

Forward Transconductance

Gate Operating Current

Gate Leakage Current

CHARACTERISTIC

Differential Gate to Source Cutoff Voltage

Differential Gate to Source Cutoff

Voltage Change with Temperature

Gate to Source Saturation Current Ratio

Forward Transconductance Ratio

Common Mode Rejection Ratio

Output Conductance

CHARACTERISTICS

Input Capacitance

MONOLITHIC DUAL

MIN.

N-CHANNEL JFET

‐25

4.5

‐1

FEATURES

Direct Replacement for SILICONIX U440

HIGH CMRR

LOW GATE LEAKAGE

ABSOLUTE MAXIMUM RATINGS

@ 25°C (unless otherwise noted)

Maximum Temperatures

Storage Temperature

Operating Junction Temperature

Maximum Power Dissipation

Continuous Power Dissipation (Total)

Maximum Currents

Gate Current

Maximum Voltages

Gate to Drain

Gate to Source

Gate to Gate

U440

TYP.

‐3.5

‐1

MIN

MAX.

‐500

200

‐6

0.07

0.97

TYP

nV/√Hz

UNITS

µS

MAX

TO-71 (Top View)

UNITS

µV/°C

= 10V, I

= ‐1µA, V

CONDITIONS

= ‐15V, V

= 10V, V

= 10V, I

CMRR ≥ 85dB

= ‐55°C to +125°C

= 10V, V

= 10V, I

= 5 to 10V, I

GSS

= 5mA, f = 10kHz

= 5mA, f = 1MHz

= 5mA, f = 1kHz

≤ 1 pA

‐65°C to +150°C

‐55°C to +135°C

= 5mA

= 1nA

= 0V

500mW

= 0V

50mA

= 5mA, f = 1kHz

±50V

‐25V

= 5mA

= 0V

= 5mA

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