LF356M

SO8 LF356M Dual Surface Mount Operational Amplifier
6,235 有效庫存

LF356M

有效庫存6,235

SO8 LF356M Dual Surface Mount Operational Amplifier

  • 製造商零件號 # : LF356M

  • 包裝/封裝: SOIC-8

  • 製造商: Texas Instruments

  • 產品分類 : Instrumentation, OP Amps, Buffer Amps

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About After Sales Service

All Parts Extended Quality Guarantee

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LF356M 數據表
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詳細說明

The LFx5x devices are the first monolithic JFET input operational amplifiers to incorporate well-matched, high-voltage JFETs on the same chip with standard bipolar transistors (BI-FET™ Technology). These amplifiers feature low input bias and offset currents/low offset voltage and offset voltage drift, coupled with offset adjust, which does not degrade drift or common-mode rejection. The devices are also designed for high slew rate, wide bandwidth, extremely fast settling time, low voltage and current noise and a low 1/f noise corner.

主要特徵

  • Low input offset voltage: 5 μV max
  • Low input bias current: 30 pA max
  • Low input noise voltage: 5 nV/√Hz typ
  • High slew rate: 15 V/μs typ
  • Wide bandwidth: 5 MHz
  • High input impedance: 10^12 Ω

應用

  • Industrial control systems
  • Sensor interface circuits
  • Instrumentation amplifiers
  • Low-noise audio amplifiers
  • High-speed integrators
  • Active filters
  • Synthesizers
  • Precision voltage reference
  • Sample-and-hold circuits
  • Signal conditioning circuits

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Pbfree Code Yes Rohs Code No
Part Life Cycle Code Not Recommended Part Package Code SOIC
Pin Count ! 8 Reach Compliance Code not_compliant
ECCN Code EAR99 HTS Code ! 8542.33.00.01
Date Of Intro 1989-01-01 Amplifier Type OPERATIONAL AMPLIFIER
Architecture VOLTAGE-FEEDBACK Average Bias Current-Max (IIB) 0.0002 µA
Bias Current-Max (IIB) @25C 0.008 µA Common-mode Reject Ratio-Min 80 dB
Common-mode Reject Ratio-Nom 100 dB Frequency Compensation ! YES
Input Offset Current-Max (IIO) 0.00002 µA Input Offset Voltage-Max 13000 µV
JESD-30 Code R-PDSO-G8 JESD-609 Code e0
Length 4.9 mm Low-Bias YES
Low-Offset NO Micropower ! NO
Moisture Sensitivity Level 1 Neg Supply Voltage Limit-Max -18 V
Neg Supply Voltage-Nom (Vsup) -15 V Number of Functions 1
Number of Terminals 8 Operating Temperature-Max 70 °C
Operating Temperature-Min Package Body Material PLASTIC/EPOXY
Package Code SOP Package Equivalence Code SOP8,.25
Package Shape RECTANGULAR Package Style SMALL OUTLINE
Packing Method TUBE Peak Reflow Temperature (Cel) 235
Power NO Power Supplies ! +-15 V
Programmable Power ! NO Qualification Status ! Not Qualified
Seated Height-Max 1.75 mm Slew Rate-Min 7.5 V/us
Slew Rate-Nom 12 V/us Supply Current-Max 7 mA
Supply Voltage Limit-Max 18 V Supply Voltage-Nom (Vsup) 15 V
Surface Mount ! YES Technology BIPOLAR
Temperature Grade ! COMMERCIAL Terminal Finish Tin/Lead (Sn/Pb)
Terminal Form ! GULL WING Terminal Pitch ! 1.27 mm
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Unity Gain BW-Nom 5000 Voltage Gain-Min 15000
Wideband NO Width 3.9 mm

常見問題解答

What is LF356M?

The LF356M is a high-speed, low offset voltage, JFET-input operational amplifier manufactured by Texas Instruments. It is designed for applications requiring high input impedance, low input bias current, and low input noise, such as active filters, integrators, and precision instrumentation.

How Does LF356M Work?

The LF356M operates as a high-performance operational amplifier with JFET input transistors, providing high input impedance and low input bias current. It amplifies signals with high speed and accuracy, making it suitable for demanding signal processing and conditioning tasks. The amplifier features low offset voltage and low drift, ensuring precision amplification over a wide range of operating conditions.

How Many Pins does LF356M have and What are the Functions of the Pinout Configuration?

The LF356M is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • 1. Offset Null: Offset null pin for trimming offset voltage.
  • 2. Inverting Input (−IN): Inverting input pin.
  • 3. Non-Inverting Input (+IN): Non-inverting input pin.
  • 4. V−: Negative power supply pin.
  • 5. Offset Null: Offset null pin for trimming offset voltage.
  • 6. Output (OUT): Output pin.
  • 7. V+: Positive power supply pin.
  • 8. NC (No Connect): No connection pin.

What are the Pros and Cons of LF356M?

Pros:

  • High Input Impedance: JFET input transistors provide high input impedance, suitable for low-frequency signal amplification.
  • Low Input Bias Current: Ideal for applications requiring minimal loading on the signal source.
  • Low Input Noise: Ensures accurate signal amplification in low-level signal applications.
  • High-Speed Operation: Suitable for high-frequency signal processing and conditioning.
  • Wide Power Supply Range: Offers flexibility in various power supply configurations.

Cons:

  • High Slew Rate: May require careful consideration of stability and compensation in high-speed applications.
  • External Components: May require additional external components for specific application requirements.
  • Temperature Drift: Performance may be sensitive to temperature variations in certain operating conditions.

Are There Any Equivalents/Alternatives to LF356M for Recommendation?

  • The TL071 from Texas Instruments is a similar JFET-input operational amplifier with comparable performance characteristics.
  • Alternatives to the LF356M include the OPA827 from Texas Instruments and the AD825 from Analog Devices.

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