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LS3956_TO-71 数据表(PDF) 1 Page - Micross Components |
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LS3956_TO-71 数据表(HTML) 1 Page - Micross Components |
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1 / 1 page Click To Buy 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. FEATURES LOW DRIFT |∆ VGS1‐2 /∆T|= 5µV/°C max. LOW LEAKAGE IG = 20pA TYP. LOW NOISE en = 10nV/√Hz TYP. ABSOLUTE MAXIMUM RATINGS @ 25°C (unless otherwise noted) Maximum Temperatures Storage Temperature ‐65°C to +200°C Operating Junction Temperature +150°C Maximum Voltage and Current for Each Transistor – Note 1 ‐VGSS Gate Voltage to Drain or Source 60V ‐VDSO Drain to Source Voltage 60V ‐IG(f) Gate Forward Current 50mA Maximum Power Dissipation Device Dissipation @ Free Air – Total 400mW @ 25°C MATCHING CHARACTERISTICS @ 25°C UNLESS OTHERWISE NOTED SYMBOL CHARACTERISTICS VALUE UNITS CONDITIONS | V GS1‐2 / T| max. DRIFT VS. TEMPERATURE 50 µV/°C VDG=20V, ID=200µA TA=‐55°C to +125°C | V GS1‐2 | max. OFFSET VOLTAGE 15 mV VDG=20V, ID=200µA ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) SYMBOL CHARACTERISTICS MIN. TYP. MAX. UNITS CONDITIONS BVGSS Breakdown Voltage 60 ‐‐ ‐‐ V VDS = 0 ID=1µA BVGGO Gate‐To‐Gate Breakdown 60 ‐‐ ‐‐ V I G= 1nA ID= 0 IS= 0 YfSS TRANSCONDUCTANCE Full Conduction 1000 2000 3000 µmho VDG= 20V VGS= 0V f = 1kHz YfS Typical Operation 500 700 1000 µmho VDG= 20V ID= 200µA |YFS1‐2 / Y FS| Mismatch ‐‐ 0.6 3 % IDSS DRAIN CURRENT Full Conduction 0.5 2 5 mA VDG= 20V VGS= 0V |IDSS1‐2 / IDSS| Mismatch at Full Conduction ‐‐ 1 5 % VGS(off) or Vp GATE VOLTAGE Pinchoff voltage 1 2 4.5 V VDS= 20V ID= 1nA VGS(on) Operating Range 0.5 ‐‐ 4 V VDS=20V ID=200µA ‐IG GATE CURRENT Operating ‐‐ 20 50 pA VDG= 20V ID= 200µA ‐IG High Temperature ‐‐ ‐‐ 50 nA TA= +125°C ‐IG Reduced VDG ‐‐ 5 ‐‐ pA VDG= 10V ID= 200µA ‐IGSS At Full Conduction ‐‐ ‐‐ 100 pA VDG= 20V VDS= 0 YOSS OUTPUT CONDUCTANCE Full Conduction ‐‐ ‐‐ 5 µmho VDG= 20V VGS= 0V YOS Operating ‐‐ 0.1 1 µmho VDG= 20V ID= 200µA |YOS1‐2| Differential ‐‐ 0.01 0.1 µmho CMR COMMON MODE REJECTION ‐20 log | VGS1‐2/ VDS| ‐‐ 100 ‐‐ dB ∆VDS = 10 to 20V ID=200µA CMR ‐20 log | VGS1‐2/ VDS| ‐‐ 75 ‐‐ dB ∆VDS = 5 to 10V ID=200µA NF NOISE Figure ‐‐ ‐‐ 0.5 dB VDS= 20V VGS= 0V RG= 10MΩ f= 100Hz NBW= 6Hz en Voltage ‐‐ ‐‐ 15 nV/√Hz VDS=20V ID=200µA f=10Hz NBW=1Hz CISS CAPACITANCE Input ‐‐ ‐‐ 6 pF VDS= 20V VGS= 0V f= 1MHz CRSS Reverse Transfer ‐‐ ‐‐ 2 pF CDD Drain‐to‐Drain ‐‐ 0.1 ‐‐ pF VDG= 20V ID= 200µA The LS3956 is a Low Noise, Low Drift, Monolithic Dual N-Channel JFET LS3956 MONOLITHIC DUAL N-CHANNEL JFET Note 1 – These ratings are limiting values above which the serviceability of any semiconductor may be impaired LS3956 Applications: Wideband Differential Amps High Input Impedance Amplifiers The LS3956 family are matched JFET pairs for differential amplifiers. The LS3956 family of general purpose JFETs is characterized for low and medium frequency differential amplifiers requiring low offset voltage, drift, noise and capacitance The LS3956 family also exhibits low capacitance - 6pF max and a spot noise figure of -0.5dB max. The part offers a superior tracking ability. The hermetically sealed TO-71 and TO-78 packages are well suited for high reliability and harsh environment applications. (See Packaging Information). TO-71 / TO-78 (Bottom View) Available Packages: LS3956 in TO-71 / TO-78 LS3956 available as bare die Please contact Micross for full package and die dimensions Micross Components Europe Tel: +44 1603 788967 Email: chipcomponents@micross.com Web: http://www.micross.com/distribution |
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类似说明 - LS3956_TO-71 |
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