AD842SQ footprint, schematic symbol and 3D model by Analog Devices

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AD842SQ - Analog Devices PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - Q-14_2022

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Part Number AD842SQ
Manufacturer Analog Devices
Pin Count 14
Part Category Integrated Circuit
Package Category Ceramic Dual-In-Line Packages
Footprint Name Ceramic Dual-In-Line Packages - Q-14_2022
Released Date May 1, 2025
Last Modified Date May 1, 2025 5:00 AM UTC
Pinout / Pin List Click Here (Member Only)

AD842SQ Details

Manufacturer Part Number:
AD842SQ
Source Url Status Check Date:
2013-05-01 14:56:26.37
Brand Name:
Analog Devices Inc
Pbfree Code:
No
Part Life Cycle Code:
Not Recommended
Part Package Code:
DIP
Package Description:
HERMETIC SEALED, CERDIP-14
Pin Count:
14
Manufacturer Package Code:
Q-14
Country Of Origin:
Philippines
ECCN Code:
EAR99
HTS Code:
8542.33.00.01
Manufacturer:
Analog Devices Inc
YTEOL:
3
Amplifier Type:
OPERATIONAL AMPLIFIER
Architecture:
VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB):
12 µA
Bias Current-Max (IIB) @25C:
8 µA
Common-mode Reject Ratio-Min:
86 dB
Common-mode Reject Ratio-Nom:
115 dB
Frequency Compensation:
YES (AVCL>=2)
Input Offset Voltage-Max:
3500 µV
JESD-30 Code:
R-GDIP-T14
JESD-609 Code:
e0
Length:
19.43 mm
Low-Bias:
NO
Low-Offset:
NO
Neg Supply Voltage Limit-Max:
-18 V
Neg Supply Voltage-Nom (Vsup):
-15 V
Number of Functions:
1
Number of Terminals:
14
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-55 °C
Package Body Material:
CERAMIC, GLASS-SEALED
Package Code:
DIP
Package Equivalence Code:
DIP14,.3
Package Shape:
RECTANGULAR
Package Style:
IN-LINE
Qualification Status:
Not Qualified
Seated Height-Max:
5.08 mm
Slew Rate-Min:
300 V/us
Slew Rate-Nom:
375 V/us
Supply Current-Max:
19 mA
Supply Voltage Limit-Max:
18 V
Supply Voltage-Nom (Vsup):
15 V
Surface Mount:
NO
Technology:
BIPOLAR
Temperature Grade:
MILITARY
Terminal Finish:
Tin/Lead (Sn/Pb)
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
2.54 mm
Terminal Position:
DUAL
Unity Gain BW-Nom:
80000
Voltage Gain-Min:
40000
Wideband:
YES
Width:
7.62 mm

AD842SQ Frequently Asked Questions (FAQs)

The AD842SQ is a high-gain, high-impedance amplifier, so it's crucial to follow proper layout and placement guidelines to minimize noise and ensure optimal performance. Keep the input traces short and away from noise sources, use a solid ground plane, and place the amplifier close to the input signal source. Also, ensure that the power supply decoupling capacitors are placed close to the amplifier's power pins.
To optimize the gain and bandwidth of the AD842SQ, you'll need to consider the specific requirements of your application. The gain can be adjusted by selecting the appropriate feedback resistors, while the bandwidth can be optimized by selecting the correct capacitor values for the input and feedback networks. You may need to experiment with different component values and configurations to achieve the desired performance.
When using the AD842SQ, it's essential to consider EMI and RFI shielding to minimize electromagnetic interference and radio-frequency interference. Use a shielded enclosure, keep the amplifier and input traces away from noise sources, and use EMI-absorbing materials to reduce radiation. Additionally, ensure that the amplifier's power supply is well-regulated and filtered to reduce noise.
To ensure the AD842SQ operates within its specified temperature range, you'll need to consider the thermal management of your design. Use a heat sink or thermal pad to dissipate heat, and ensure good airflow around the amplifier. Also, consider the thermal characteristics of the PCB material and the surrounding components to minimize thermal gradients.
Some common pitfalls to avoid when designing with the AD842SQ include: not following proper layout and placement guidelines, not providing adequate power supply decoupling, not considering the amplifier's input impedance and bias current, and not accounting for the amplifier's noise and distortion characteristics. Additionally, be mindful of the amplifier's limited output current capability and ensure that the output is properly terminated.

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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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