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UA748CN - STMicroelectronics

Description: PRECISION SINGLE OPERATIONAL AMPLIFIER

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UA748CN - STMicroelectronics - PCB symbol
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UA748CN - STMicroelectronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 8 PINS - PLASTIC DIP
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UA748CN - STMicroelectronics - 3D model - Dual-In-Line Packages - 8 PINS - PLASTIC DIP
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UA748CN Details

  • Manufacturer Part Number:

    UA748CN

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, DIP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.3 µA

  • Bias Current-Max (IIB) @25C:

    0.1 µA

  • Common-mode Reject Ratio-Min:

    70 dB

  • Common-mode Reject Ratio-Nom:

    96 dB

  • Frequency Compensation:

    NO

  • Input Offset Voltage-Max:

    10000 µV

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.8 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Neg Supply Voltage Limit-Max:

    -22 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    8

  • Number of Terminals:

    1

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Slew Rate-Min:

    0.25 V/us

  • Slew Rate-Nom:

    0.5 V/us

  • Supply Current-Max:

    3 mA

  • Supply Voltage Limit-Max:

    22 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Unity Gain BW-Nom:

    1000

  • Voltage Gain-Min:

    25000

  • Wideband:

    NO

  • Width:

    7.62 mm

UA748CN Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the UA748CN is 500mW, which is relatively low. This means that the device is not suitable for high-power applications.
  • To ensure stability, it's essential to follow proper compensation techniques, such as adding a capacitor in parallel with the feedback resistor to reduce the gain-bandwidth product. Additionally, selecting the correct values for the resistors and capacitors in the feedback network is crucial.
  • The input impedance of the UA748CN is relatively high, around 2MΩ. This means that the device can be used with high-impedance sources without significant signal attenuation. However, it's essential to consider the input impedance when designing the input stage of your circuit to ensure proper signal transmission.
  • Yes, the UA748CN can be used as a comparator, but it's not the most suitable device for this purpose. The UA748CN is an op-amp, and its output stage is not optimized for comparator applications. However, if you still want to use it as a comparator, you can connect the output to a pull-up resistor and a diode to create a simple comparator circuit.
  • The UA748CN has a limited bandwidth of around 1.1MHz. To handle high-frequency applications, you can use a different op-amp with a higher bandwidth or implement a filter circuit to reduce the frequency response. Alternatively, you can use the UA748CN in a non-inverting amplifier configuration to improve the bandwidth.

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UA748CN Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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