Part Details for AD845SQ by Analog Devices Inc
Results Overview of AD845SQ by Analog Devices Inc
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
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AD845SQ Information
AD845SQ by Analog Devices Inc is an Operational Amplifier.
Operational Amplifiers are under the broader part category of Amplifier Circuits.
Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.
Price & Stock for AD845SQ
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
AD845SQ-ND
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DigiKey | IC OPAMP JFET 1 CIRCUIT 8CERDIP Lead time: 10 Weeks Container: Tube | Temporarily Out of Stock |
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Buy Now | |
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Analog Devices Inc | PRECISION,16MHZ H.S. AMP Package Multiple: 48 | 96 |
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$41.8500 / $88.0700 | Buy Now |
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Quest Components | OPERATIONAL AMPLIFIER, 1 FUNC, 2000UV OFFSET-MAX, BIPOLAR, CDIP8 | 4 |
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$38.9513 | Buy Now |
Part Details for AD845SQ
AD845SQ CAD Models
AD845SQ Part Data Attributes
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AD845SQ
Analog Devices Inc
Buy Now
Datasheet
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AD845SQ
Analog Devices Inc
Precision, 16 MHz CBFET Op Amp
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Not Recommended | |
| Ihs Manufacturer | ANALOG DEVICES INC | |
| Part Package Code | DIP | |
| Package Description | HERMETIC SEALED, CERDIP-8 | |
| Pin Count | 8 | |
| Manufacturer Package Code | Q-8 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.31.00.01 | |
| Samacsys Manufacturer | Analog Devices | |
| Amplifier Type | OPERATIONAL AMPLIFIER | |
| Architecture | VOLTAGE-FEEDBACK | |
| Average Bias Current-Max (IIB) | 0.5 µA | |
| Bias Current-Max (IIB) @25C | 0.002 µA | |
| Common-mode Reject Ratio-Min | 86 dB | |
| Common-mode Reject Ratio-Nom | 110 dB | |
| Frequency Compensation | YES | |
| Input Offset Voltage-Max | 2000 µV | |
| JESD-30 Code | R-GDIP-T8 | |
| JESD-609 Code | e0 | |
| Low-Offset | NO | |
| 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 | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Package Body Material | CERAMIC, GLASS-SEALED | |
| Package Code | DIP | |
| Package Equivalence Code | DIP8,.3 | |
| Package Shape | RECTANGULAR | |
| Package Style | IN-LINE | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 5.08 mm | |
| Slew Rate-Min | 94 V/us | |
| Slew Rate-Nom | 100 V/us | |
| Supply Current-Max | 12 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 | 16000 | |
| Voltage Gain-Min | 100000 | |
| Width | 7.62 mm |
Alternate Parts for AD845SQ
This table gives cross-reference parts and alternative options found for AD845SQ. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of AD845SQ, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| HA3-5111-5 | Harris Semiconductor | Check for Price | Operational Amplifier, 1 Func, 4000uV Offset-Max, BIPolar, PDIP8 | AD845SQ vs HA3-5111-5 |
| HA7-5147-5 | Intersil Corporation | Check for Price | OP-AMP, 300uV OFFSET-MAX, 140MHz BAND WIDTH, CDIP8 | AD845SQ vs HA7-5147-5 |
| HA7-5147A-5 | Intersil Corporation | Check for Price | OP-AMP, 60uV OFFSET-MAX, 140MHz BAND WIDTH, CDIP8 | AD845SQ vs HA7-5147A-5 |
| HA7-5111/883 | Intersil Corporation | Check for Price | IC,OP-AMP,SINGLE,BIPOLAR,DIP,8PIN,CERAMIC | AD845SQ vs HA7-5111/883 |
| 5962-8964501PX | Analog Devices Inc | Check for Price | IC OP-AMP, 2000 uV OFFSET-MAX, 16 MHz BAND WIDTH, CDIP8, HERMETIC SEALED, CERDIP-8, Operational Amplifier | AD845SQ vs 5962-8964501PX |
| HA7-5147R5254 | Renesas Electronics Corporation | Check for Price | 120MHz, Ultra-Low Noise Precision Operational Amplifiers, CERDIP, /Tube | AD845SQ vs HA7-5147R5254 |
| HA7-5147/883 | Intersil Corporation | Check for Price | OP-AMP, 100uV OFFSET-MAX, CDIP8, FRIT SEALED, CERDIP-8 | AD845SQ vs HA7-5147/883 |
| HA7-5111-2 | Harris Semiconductor | Check for Price | Operational Amplifier, 1 Func, 4000uV Offset-Max, BIPolar, CDIP8 | AD845SQ vs HA7-5111-2 |
| HA7-5147A-2 | Harris Semiconductor | Check for Price | Operational Amplifier, 1 Func, 60uV Offset-Max, BIPolar, CDIP8 | AD845SQ vs HA7-5147A-2 |
| HA7-5111-2 | Intersil Corporation | Check for Price | OP-AMP, 4000uV OFFSET-MAX, 100MHz BAND WIDTH, CDIP8 | AD845SQ vs HA7-5111-2 |
AD845SQ Frequently Asked Questions (FAQ)
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The AD845SQ 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.
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To optimize the gain and bandwidth of the AD845SQ, you'll need to consider the specific requirements of your application. The gain of the amplifier can be adjusted by selecting the appropriate feedback resistors. For bandwidth optimization, you can adjust the compensation capacitor (Ccomp) value. A smaller Ccomp value will result in a wider bandwidth, but may compromise stability. It's essential to consult the datasheet and application notes for guidance on selecting the optimal component values for your specific application.
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When using the AD845SQ, it's essential to consider EMI and RFI shielding to prevent electromagnetic interference and radio-frequency interference. Use a shielded enclosure, and ensure that the amplifier is placed in a shielded area. Use shielded cables and connectors, and consider adding EMI filters or ferrite beads to the input and output lines. Additionally, follow proper grounding and shielding techniques to minimize radiation and susceptibility.
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When troubleshooting issues with the AD845SQ, start by checking the power supply voltage and ensuring it's within the recommended range. Verify that the input and output impedances are properly matched, and check for any signs of oscillation or instability. Use an oscilloscope to monitor the output waveform and look for any signs of ringing or oscillation. Consult the datasheet and application notes for guidance on troubleshooting and optimizing the amplifier's performance.
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The AD845SQ is a high-power amplifier, and thermal management is crucial to ensure reliable operation over temperature. Ensure good airflow around the device, and consider using a heat sink or thermal interface material to dissipate heat. Follow the recommended operating temperature range, and avoid exceeding the maximum junction temperature. Consult the datasheet for thermal resistance and power dissipation information to ensure reliable operation.