Part Details for AD421BN by Analog Devices Inc
Results Overview of AD421BN by Analog Devices Inc
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (1 option)
- 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.
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AD421BN Information
AD421BN by Analog Devices Inc is a Digital to Analog Converter.
Digital to Analog Converters are under the broader part category of Converters.
A converter is an electrical circuit that transforms electric energy into a different form that will support a elecrical load needed by a device. Read more about Converters on our Converters part category page.
Price & Stock for AD421BN
| Part # | Distributor | Description | Stock | Price | Buy | |
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Quest Components | SERIAL INPUT LOADING, 8000 US SETTLING TIME, 16-BIT DAC, PDIP16 | 313 |
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$11.7300 / $13.2600 | Buy Now |
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Quest Components | SERIAL INPUT LOADING, 8000 US SETTLING TIME, 16-BIT DAC, PDIP16 | 76 |
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$17.3400 / $20.4000 | Buy Now |
Part Details for AD421BN
AD421BN CAD Models
AD421BN Part Data Attributes
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AD421BN
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
AD421BN
Analog Devices Inc
Loop-Powered 4-20 mA DAC
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | ANALOG DEVICES INC | |
| Part Package Code | DIP | |
| Package Description | DIP-16 | |
| Pin Count | 16 | |
| Manufacturer Package Code | N-16 | |
| Reach Compliance Code | not_compliant | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Analog Devices | |
| Converter Type | D/A CONVERTER | |
| Input Bit Code | BINARY | |
| Input Format | SERIAL | |
| JESD-30 Code | R-PDIP-T16 | |
| JESD-609 Code | e0 | |
| Length | 20.13 mm | |
| Linearity Error-Max (EL) | 0.01% | |
| Number of Bits | 16 | |
| Number of Functions | 1 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | DIP | |
| Package Equivalence Code | DIP16,.3 | |
| Package Shape | RECTANGULAR | |
| Package Style | IN-LINE | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 5.33 mm | |
| Settling Time-Nom (tstl) | 8000 µs | |
| Supply Current-Max | 0.75 mA | |
| Supply Voltage-Nom | 3 V | |
| Surface Mount | NO | |
| Technology | BICMOS | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | DUAL | |
| Width | 7.62 mm |
Alternate Parts for AD421BN
This table gives cross-reference parts and alternative options found for AD421BN. 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 AD421BN, 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 |
|---|---|---|---|---|
| AD421BNZ | Analog Devices Inc | $15.1711 | Loop-Powered 4-20 mA DAC | AD421BN vs AD421BNZ |
AD421BN Frequently Asked Questions (FAQ)
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The AD421BN is a high-precision, high-speed amplifier, and as such, it requires careful layout and placement to minimize noise and ensure optimal performance. It is recommended to keep the input and output traces as short as possible, and to use a solid ground plane to reduce noise. Additionally, it is recommended to place the AD421BN close to the signal source and to use shielding to reduce electromagnetic interference (EMI).
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The AD421BN has a relatively high input bias current, which can cause errors in the output signal if not properly handled. To handle the input bias current, it is recommended to use a high-impedance source, such as a voltage source or a current source, and to use a bias current cancellation circuit. If the input bias current is not properly handled, it can cause errors in the output signal, such as offset voltage and gain errors.
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The maximum power dissipation of the AD421BN is 1.4W, and it is recommended to ensure that the device does not exceed this limit to prevent overheating and damage. To ensure that the power dissipation does not exceed this limit, it is recommended to use a heat sink, to keep the ambient temperature below 85°C, and to limit the output current to less than 100mA.
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The gain resistor values for the AD421BN should be selected based on the desired gain and bandwidth of the amplifier. Incorrect gain resistor values can result in incorrect gain, bandwidth, and stability of the amplifier. It is recommended to use the gain resistor value calculation formula provided in the datasheet, and to verify the gain and bandwidth of the amplifier using simulation tools or experimental measurements.
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The AD421BN has built-in ESD protection and latch-up prevention measures, including diodes and resistors. To ensure that these measures are effective, it is recommended to follow proper handling and assembly procedures, such as using an ESD wrist strap or mat, and to use a soldering iron with a low voltage and current rating. Additionally, it is recommended to use a PCB layout that minimizes the risk of latch-up, such as using a solid ground plane and keeping the input and output traces separate.