AD676JD - 16-Bit 100 kSPS Parallel ADC | Analog Devices
Référence : AD676JD ✓ ActifAD676JD Présentation
Alternatives de remplacement direct pour AD676JD — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec AD676JD (même facteur de forme et même empreinte) — différant par Architecture, Conversion Time, Package.
AD676JDZ
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AD676TD/883B
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →AD676JD Valeurs maximales et caractéristiques électriques
| Converter Type | Multipurpose sampling ADC |
| Résolution | 16 bit |
| Architecture | Switched-capacitor charge-redistribution |
| Fréquence d'échantillonnage | 100 kSPS |
| Total Conversion Time | 10 microseconds |
| Output Interface | Parallel |
| Analog Input Channels | 1 |
| Conversion Time | 10 microseconds total conversion time |
| Autocalibration | On-chip digital nonlinearity correction |
| Boîtier | 28-pin CDIP, 0.600 inch, 15.24 mm |
| Type de montage | Through-hole |
| Power Supply | 5 V and 12 V per verified distributor specification summary |
Guide de configuration des broches du AD676JD 28-pin cdip, 0.600 inch, 15.24 mm
Configuration des broches du AD676JD (boîtier 28-pin cdip, 0.600 inch, 15.24 mm). Ce composant analogique comporte des broches d'entrée, de sortie et d'alimentation. Consultez la fiche technique du fabricant pour les configurations des broches d'annulation d'offset, de compensation et d'activation. Idéal pour le conditionnement de signaux et les circuits amplificateurs.
Aucune donnée de brochage détaillée disponible pour AD676JD.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
AD676JD convient pour 6 applications: Industrial Process Measurement, Laboratory Data Acquisition, Communications Signal Conditioning, Embedded Control Acquisition, Power and Equipment Monitoring, Legacy Parallel-Bus Data Acquisition.
Industrial Process Measurement
The AD676JD fits industrial process-measurement systems that need a 16-bit conversion result and can support a 100 kSPS acquisition rate. Its single analog input can monitor a conditioned sensor signal when the transmitter or front end provides suitable voltage range, bandwidth, isolation, and protection. The switched-capacitor charge-redistribution architecture and on-chip nonlinearity correction support precision measurement, while the 28-pin plastic DIP package allows through-hole assembly on legacy control equipment. Designers must verify input range, reference accuracy, acquisition timing, and acquisition-control requirements in the manufacturer datasheet before assigning the converter to a specific sensor loop.
Recommandé
Laboratory Data Acquisition
The AD676JD is suitable for laboratory instruments that sample moderate-rate analog waveforms and transfer 16-bit samples over a parallel bus. A 100 kSPS rate and 10 microsecond total conversion time provide adequate throughput for many measurement channels, while the 16-bit format offers useful resolution for calibrated sensors and controlled analog signals. The converter can sit between an analog front end and an FPGA or digital controller, but the system must account for bus timing, settling time, reference stability, and acquisition sequencing. Because the supplied data does not state input bandwidth, SNR, INL, or DNL, the final instrument accuracy budget requires the complete ADI datasheet.
Recommandé
Communications Signal Conditioning
The AD676JD can support communications and baseband measurement systems where sampled analog information must become parallel digital data for downstream filtering or demodulation. The 100 kSPS conversion rate is appropriate for many low-to-moderate-bandwidth envelope, control, or supervisory channels, while 16-bit parallel output can reduce serial-interface overhead. The board designer should preserve clean reference and supply behavior, control analog trace coupling, and ensure that the host logic captures every conversion without bus contention. Exact usable bandwidth and dynamic performance are not available in the supplied data and must be checked against the official manufacturer specifications.
Recommandé
Embedded Control Acquisition
The AD676JD can act as the acquisition converter in an embedded control system whose digital controller accepts parallel ADC data. Its 10 microsecond total conversion time and 100 kSPS maximum rate provide a defined basis for scheduling sensor readings and processing results. The 28-pin plastic DIP is especially relevant to legacy through-hole control boards and prototype instrumentation rather than compact surface-mount systems. Integration requires verification of logic levels, data timing, conversion-status behavior, reference implementation, and input scaling. Because the supplied excerpts do not include the full pinout or timing table, firmware and board layouts should be based directly on the official AD676 datasheet.
Recommandé
Power and Equipment Monitoring
The AD676JD can be used in supervisory power and equipment-monitoring equipment when the monitored quantity is reduced to a suitable analog voltage and the required update rate does not exceed 100 kSPS. The 16-bit conversion format can preserve low-level measurement detail, and on-chip autocalibration helps compensate internal nonlinearities for repeatable equipment readings. A practical implementation should use an input filter, protection network, accurate reference, and ground layout that does not inject noise into the sampled signal. Designers must verify input limits, supply sequencing, power consumption, and temperature performance from the manufacturer datasheet because those values were not included in the supplied verified excerpts.
Recommandé
Legacy Parallel-Bus Data Acquisition
The AD676JD is suited to legacy parallel-bus acquisition boards that were designed around a 28-pin through-hole ADC and now need a functionally equivalent source. Its 16-bit parallel output avoids introducing a serial converter and its 100 kSPS rate matches the verified AD676 family specification. Retrofitting requires careful examination of the original footprint, pin assignments, board-level clocking, and timing margin rather than relying only on package dimensions. AD676JDZ and AD676TD/883B may be considered when ceramic construction or military-style ordering is required, but their exact grade, footprint, and sourcing conditions must be confirmed with Analog Devices.
Recommandé
Données de référence d'ingénierie pour AD676JD — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | AD676JDZ | AD676TD/883B |
|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Package | 28-pin plastic DIP | 28-pin ceramic DIP | 28-pin ceramic DIP |
| Resolution | 16 bit | 16 bit | 16 bit |
| Sampling Rate | 100 kSPS | 100 kSPS | 100 kSPS |
| Conversion Time | 10 microseconds | 10 microseconds | 10 microseconds |
| Output Interface | Parallel | Parallel | Parallel |
| Architecture | Switched-capacitor charge-redistribution | Switched-capacitor charge-redistribution | Switched-capacitor charge-redistribution |
| Autocalibration | On-chip digital nonlinearity correction | On-chip digital nonlinearity correction | On-chip digital nonlinearity correction |
Principaux différenciateurs
- Commercial plastic package (vs AD676JDZ)
- Parallel-output conversion (vs AD676TD/883B)
- On-chip nonlinearity correction (vs AD676JDZ)
- Defined 10 microsecond conversion interval (vs AD676TD/883B)
Notes de conception
Before routing the analog input, compare the existing board with the complete Analog Devices AD676 pinout and application schematic. The supplied data confirms a 28-pin DIP format but does not provide numbered analog, digital, reference, or supply assignments. Preserve the manufacturer's recommended input and reference layout, place filtering and decoupling components close to their associated pins, and provide a low-impedance return path. Do not infer a pinout from AD677 or another parallel ADC because the AD677 uses a different serial-output package and interface.
Treat the 16-bit parallel output as a synchronous bus and verify acquisition and output timing from the manufacturer datasheet. The 100 kSPS conversion rate establishes the sample-rate ceiling, but it does not by itself guarantee timing margin in an arbitrary system. Check output enable or chip-select behavior, settling requirements, data valid timing, clock skew, and the receiving device's setup and hold windows. Account for bus capacitance and use appropriate termination or buffering when the bus is long or heavily loaded.
Do not treat the AD676JD, AD676JDZ, and AD676TD/883B ordering codes as automatically interchangeable. The verified results indicate plastic and ceramic package options and a military-style 883B variant, while temperature grade, screening, footprint, and lifecycle details remain unavailable in the supplied excerpts. Obtain the official ADI ordering guide, confirm the exact suffix, compare every numbered pin, and verify electrical limits before approving a substitute. Also do not infer input range, reference voltage, or accuracy from the 16-bit resolution alone.
Use the manufacturer reference and supply-decoupling implementation because the verified distributor summary identifies 5 V and 12 V requirements but does not define which rails belong to which pins. Verify minimum operating voltage, sequencing, allowed tolerance, and supply-current limits in the official datasheet. Keep analog and digital return currents separated where practical, and avoid routing high-current return paths beneath sensitive input and reference nodes. The converter's calibration can improve linearity, but it cannot compensate for an unstable reference or noisy supply.
Informations de conformité
The supplied verified results do not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations for AD676JD. AEC-Q100 is marked not applicable because this product type is not an automotive-qualified device in the supplied data; no automotive qualification is inferred.
