ADA4638-1ARZ footprint, schematic symbol and 3D model by Analog Devices

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Part Number ADA4638-1ARZ
Manufacturer Analog Devices
Pin Count 8
Part Category Integrated Circuit
Package Category Small Outline Packages
Footprint Name Small Outline Packages - ADA4638-1ARZgjb
Released Date Jul 15, 2023
Last Modified Date May 7, 2025 11:33 AM UTC
Pinout / Pin List Click Here (Member Only)

ADA4638-1ARZ Details

Manufacturer Part Number:
ADA4638-1ARZ
Brand Name:
Analog Devices Inc
Pbfree Code:
No
Rohs Code:
Yes
Part Life Cycle Code:
Active
Part Package Code:
SOIC
Package Description:
ROHS COMPLIANT, MS-012AA, SOIC-8
Pin Count:
8
Manufacturer Package Code:
R-8
Country Of Origin:
Taiwan
ECCN Code:
EAR99
HTS Code:
8542.33.00.01
Manufacturer:
Analog Devices Inc
YTEOL:
10
Amplifier Type:
OPERATIONAL AMPLIFIER
Architecture:
VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB):
0.00023 µA
Bias Current-Max (IIB) @25C:
0.00023 µA
Common-mode Reject Ratio-Min:
118 dB
Common-mode Reject Ratio-Nom:
140 dB
Frequency Compensation:
YES
Input Offset Voltage-Max:
18 µV
JESD-30 Code:
R-PDSO-G8
JESD-609 Code:
e3
Length:
4.9 mm
Low-Bias:
YES
Low-Offset:
YES
Micropower:
NO
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Equivalence Code:
SOP8,.25
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
260
Power:
NO
Programmable Power:
NO
Seated Height-Max:
1.75 mm
Slew Rate-Nom:
1.5 V/us
Supply Current-Max:
1.15 mA
Supply Voltage Limit-Max:
33 V
Supply Voltage-Nom (Vsup):
5 V
Surface Mount:
YES
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
40
Unity Gain BW-Nom:
1300
Voltage Gain-Min:
1780000
Wideband:
NO
Width:
3.9 mm

ADA4638-1ARZ Frequently Asked Questions (FAQs)

To minimize noise and ensure optimal performance, it is recommended to follow good PCB layout practices, such as keeping the input and output traces short and away from noise sources, using a solid ground plane, and decoupling the power supplies with capacitors. Additionally, it is recommended to use a symmetrical layout to minimize thermal gradients and to keep the op-amp away from heat sources.
The choice of gain resistors for the ADA4638-1ARZ depends on the desired gain and bandwidth of the amplifier. A good starting point is to use the gain resistor values recommended in the datasheet, and then adjust them based on the specific application requirements. It is also important to consider the resistor tolerance, temperature coefficient, and parasitic capacitance when selecting the gain resistors.
The maximum power dissipation of the ADA4638-1ARZ is 670mW. To ensure that it does not overheat, it is recommended to provide adequate heat sinking, such as a thermal pad or a heat sink, and to keep the ambient temperature within the recommended operating range. Additionally, it is important to ensure that the device is not operated at maximum power dissipation for extended periods of time.
To troubleshoot common issues with the ADA4638-1ARZ, such as oscillation or instability, it is recommended to check the PCB layout and routing for any potential issues, such as parasitic capacitance or inductance. Additionally, it is recommended to verify that the power supplies are clean and well-regulated, and that the input and output signals are within the recommended operating range. If the issue persists, it may be helpful to consult the datasheet and application notes for troubleshooting guidance.
Yes, the ADA4638-1ARZ can be used in a single-supply configuration. To do so, it is recommended to use a voltage divider to create a virtual ground, and to ensure that the input and output signals are referenced to this virtual ground. Additionally, it is important to ensure that the power supply is well-regulated and that the device is operated within the recommended operating range.

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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