AD847AQ footprint, schematic symbol and 3D model by Analog Devices

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AD847AQ - Analog Devices PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - Q-8_2022

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Datasheet Download Datasheet
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Part Number AD847AQ
Manufacturer Analog Devices
Pin Count 8
Part Category Integrated Circuit
Package Category Ceramic Dual-In-Line Packages
Footprint Name Ceramic Dual-In-Line Packages - Q-8_2022
Released Date May 1, 2025
Last Modified Date May 1, 2025 5:06 AM UTC
Pinout / Pin List Click Here (Member Only)

AD847AQ Details

Manufacturer Part Number:
AD847AQ
Brand Name:
Analog Devices Inc
Pbfree Code:
No
Part Life Cycle Code:
Active
Part Package Code:
DIP
Package Description:
CERDIP-8
Pin Count:
8
Manufacturer Package Code:
Q-8
Country Of Origin:
Philippines
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):
7.5 µA
Bias Current-Max (IIB) @25C:
5 µA
Common-mode Reject Ratio-Min:
80 dB
Common-mode Reject Ratio-Nom:
95 dB
Frequency Compensation:
YES
Input Offset Voltage-Max:
4000 µV
JESD-30 Code:
R-GDIP-T8
JESD-609 Code:
e0
Length:
9.88 mm
Low-Bias:
NO
Low-Offset:
NO
Micropower:
NO
Neg Supply Voltage Limit-Max:
-18 V
Neg Supply Voltage-Nom (Vsup):
-5 V
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
CERAMIC, GLASS-SEALED
Package Code:
DIP
Package Equivalence Code:
DIP8,.3
Package Shape:
RECTANGULAR
Package Style:
IN-LINE
Power:
YES
Programmable Power:
NO
Qualification Status:
Not Qualified
Seated Height-Max:
5.08 mm
Slew Rate-Min:
225 V/us
Slew Rate-Nom:
200 V/us
Supply Current-Max:
7.6 mA
Supply Voltage Limit-Max:
18 V
Supply Voltage-Nom (Vsup):
5 V
Surface Mount:
NO
Technology:
BIPOLAR
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Tin/Lead (Sn/Pb)
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
2.54 mm
Terminal Position:
DUAL
Unity Gain BW-Nom:
35000
Voltage Gain-Min:
3000
Wideband:
NO
Width:
7.62 mm

AD847AQ Frequently Asked Questions (FAQs)

The AD847AQ 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. A good rule of thumb is to keep the input traces as short as possible, use a solid ground plane, and keep the amplifier away from noisy components. Additionally, use a low-ESR capacitor for decoupling and place it as close to the amplifier as possible.
The gain resistor (Rg) determines the gain of the amplifier. To choose the right gain resistor, you need to consider the desired gain, the input impedance, and the output impedance. A good starting point is to use the gain equation provided in the datasheet and adjust the resistor value accordingly. You can also use the AD847AQ's gain calculator tool provided by Analog Devices to simplify the process.
The AD847AQ can handle input voltages up to ±10V, but it's essential to ensure that the input voltage does not exceed the power supply voltage (±Vs) to prevent damage to the amplifier. Additionally, the input voltage should be within the common-mode range of the amplifier to maintain optimal performance.
To reduce noise and oscillations in your AD847AQ circuit, ensure that the input and output traces are properly terminated, use a low-ESR capacitor for decoupling, and add a ferrite bead or a series resistor to the output to reduce oscillations. Additionally, use a shielded enclosure and keep the amplifier away from noisy components and high-current paths.
The recommended power supply voltage for the AD847AQ is ±5V to ±15V, with a maximum rating of ±18V. However, the optimal power supply voltage depends on the specific application and the desired performance. It's essential to ensure that the power supply voltage is stable and well-regulated to maintain optimal performance.

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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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