71M6103-IL/F - 22-Bit Isolated Energy Meter ADC | Analog Devices
部品番号: 71M6103-IL/F ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
71M6103-IL/F 概要
An isolated sensor IC is a specialized analog-to-digital conversion device that transfers measurement information across an isolation barrier while allowing a host controller to operate independently from the sensed power line. In the broader hierarchy, this device belongs to the ADC and DAC category, then to isolated sensor and energy-metering ICs, and finally to the broader semiconductor and power-management measurement ecosystem. Its isolation architecture is intended to replace high-cost current transformers in selected electricity-meter designs.
The verified manufacturer data identifies the 71M6103 as an obsolete isolated sensor IC for electricity-meter designs. Its 22-bit delta-sigma ADC, differential amplifier, precision reference, temperature sensor, and pulse-powered supply generator form a measurement signal chain optimized for host-based energy-meter processing. The 8-pin SOIC option supports compact board layouts, while the isolated interface is intended to carry power, data, and timing information across a pulse-transformer-based isolation barrier.
The 71M6103 family is designed for selected Silergy host system-on-chips and poly-phase meters where shunt sensing can replace conventional current transformers. Using shunt-based sensing can reduce system size and component cost when the meter architecture supports the required isolation and accuracy. The host must provide suitable power pulses, timing, and data handling because the sensor interface is not a standalone universal energy-metering solution.
Typical applications include three-phase electricity meters, poly-phase energy meters, isolated current-sensing channels, industrial power monitoring, and smart-grid measurement modules. The design is most appropriate where the board already implements the compatible host controller and isolation-transformer network. It is not appropriate for generic low-voltage signal acquisition without the associated metering architecture.
The principal design consideration is system integration: preserve the pulse-transformer isolation path, maintain the required differential sensor connection, and verify timing and supply compatibility with the selected 71M654x-class host. Because the manufacturer lists the device as obsolete, engineers should confirm availability and migration options before committing to new production designs.
This page combines verified manufacturer and distributor information with an explicit obsolete-status assessment, application guidance, design notes, and replacement-screening context to support practical engineering decisions.
ドロップイン代替品: 71M6103-IL/F — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
71M6103-ILR/F
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71M6103-IL/F
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データシートを見る →71M6103-IL/F 最大定格＆電気的特性
| Device Type | Isolated sensor IC for three-phase energy metering |
| ADC Architecture | 22-bit delta-sigma ADC |
| Input Type | Differential inputs |
| Amplifier | Integrated differential-input amplifier |
| Reference | Precision voltage reference |
| Temperature Sensor | Integrated temperature sensor |
| Supply Generator | Integrated supply-voltage generator energized by host power pulses |
| Isolation Interface | Pulse-transformer-based isolation interface |
| Isolation Carried Signals | Power, data, and timing |
| Metering Phase Support | Three-phase meter designs |
| Current Sensing Method | Shunt-based sensing |
| Current Transformer Replacement | Designed to eliminate selected high-cost current transformers |
| Host Compatibility | Selected 71M654x host family |
| パッケージ | 8-pin SOIC |
| 実装タイプ | Surface mount |
| ライフサイクル状態 | Obsolete |
71M6103-IL/F 8-pin soic ピン配置ガイド
71M6103-IL/F (8-pin soic パッケージ) のピン配置。 このアナログコンポーネントは、入力、出力、および電源ピンを備えています。オフセットナル、補償、イネーブルピンの設定については、メーカーのデータシートを参照してください。信号調整やアンプ回路に最適です。
詳細なピン配置データはありません: 71M6103-IL/F.
詳細は データシート をご参照ください。
主な用途
71M6103-IL/F の用途: 6 件s: Three-Phase Electricity Meter, Poly-Phase Smart Meter, Isolated Current-Sensing Channel, Industrial Power Monitoring Module, Smart-Grid Metering Platform, Legacy Meter Repair and Spare Unit.
Three-Phase Electricity Meter
The 71M6103-IL/F fits a three-phase electricity-meter signal chain that needs isolated current measurement and a high-resolution conversion function. Its verified 22-bit delta-sigma ADC and differential-input amplifier can support measurement conditioning, while the integrated precision reference and temperature sensor provide dedicated metering support. The device is intended to operate with the compatible 71M654x host architecture and pulse-transformer isolation network rather than as a stand-alone ADC. The key design benefit is the possibility of replacing selected current transformers with shunt-based sensing, but the complete isolation path, timing, and host interface must be validated against the manufacturer datasheet.
おすすめ
Poly-Phase Smart Meter
The 71M6103-IL/F is applicable to poly-phase smart-meter designs when the meter uses shunt sensing and pulse-transformer isolation. The 22-bit delta-sigma conversion function is appropriate for capturing phase-related measurement information, while the integrated temperature sensor and voltage reference support the metering signal chain. The verified family description specifically identifies shunt replacement for current transformers in poly-phase meters. Engineers must confirm host-controller timing, isolation transformer selection, differential input conditioning, and board layout because the device is not a universal replacement for conventional standalone metering ADCs.
おすすめ
Isolated Current-Sensing Channel
Use the 71M6103-IL/F when an isolated current-sensing channel must communicate measurement information across a pulse-transformer barrier. The differential-input amplifier and 22-bit delta-sigma ADC are relevant to shunt-based current measurement, while the supply-voltage generator allows the sensing side to be energized by host-provided power pulses. This architecture can reduce reliance on selected current transformers in electricity-meter products. The design must preserve the required isolation topology and must not assume that the part is suitable for arbitrary industrial current inputs without checking range, accuracy, timing, and safety requirements.
おすすめ
Industrial Power Monitoring Module
The 71M6103-IL/F may be considered for specialized industrial power-monitoring modules that use the same isolated metering architecture as electricity meters. Its differential ADC front end, precision reference, temperature sensor, and pulse-powered isolation interface provide a compact measurement channel for phase-current monitoring. The main trade-off is specialization: the device is tied to a compatible host and isolation interface, so it is less flexible than a general-purpose high-resolution ADC. Validate the analog input range, timing, isolation rating, operating environment, and production availability before deploying it outside the intended metering architecture.
おすすめ
Smart-Grid Metering Platform
The 71M6103-IL/F can support isolated measurement front ends in smart-grid meter platforms that require energy information to cross an isolation barrier. Its 22-bit delta-sigma ADC is suited to precision-oriented metering, and the pulse-transformer interface carries power, data, and timing between the sensing and processing domains. The integrated voltage reference and temperature sensor help consolidate the measurement chain. Because the manufacturer classifies the device as obsolete, a new smart-grid platform should confirm lifecycle risk, host availability, and a supported redesign path rather than relying on legacy supply indefinitely.
おすすめ
Legacy Meter Repair and Spare Unit
The 71M6103-IL/F remains relevant for repairing or maintaining older electricity-meter platforms that already use its 8-pin SOIC footprint, host protocol, and pulse-transformer isolation network. In this use case, preserving the original architecture is more important than finding a newer general-purpose ADC. The obsolete lifecycle status means procurement should be based on verified distributor stock, traceability, and assembly documentation. Before substitution, compare the complete pinout, electrical limits, timing, isolation interface, and calibration expectations; package similarity alone does not establish drop-in compatibility.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: 71M6103-IL/F — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | 71M6103-ILR/F | 71M6103-IL/F |
|---|---|---|---|
| Package | 8-pin SOIC | 8-pin SOIC package option reported in supplied distributor data; exact package drawing requires verification | 8-pin SOIC package option reported for the Silergy family listing; exact ordering-code equivalence requires verification |
| Brand | Analog Devices | Analog Devices | Silergy |
主な差別化要因
- Metering-specific integration （vs 71M6103-ILR/F)
- Isolation interface architecture （vs 71M6103-IL/F Silergy listing)
- System integration versus generic ADC use （vs General-purpose energy-meter ADC)
設計ノート
Do not treat a matching 8-pin SOIC outline as proof of drop-in compatibility. Before substituting any 71M6103-family candidate, compare the complete pin assignment, pulse-transformer connections, host timing, differential input polarity, supply-energy requirements, calibration behavior, and isolation implementation against the original 71M6103-IL/F datasheet. The supplied search results confirm family-level functionality but do not provide a complete pin-level equivalence table for the alternative ordering codes.
Keep the isolated sensing path and pulse-transformer interface layout consistent with the manufacturer reference implementation. Maintain controlled separation between the power/domain conductors and the data/timing conductors, use the recommended component values and transformer connections, and avoid adding unverified long copper paths around the isolation barrier. Because the device is obsolete, preserve the original approved layout when repairing an existing meter rather than improvising a new isolation network.
The 22-bit delta-sigma ADC does not remove the need for careful analog and isolation layout. Route the differential sensing connection as a controlled pair, minimize loop area, observe the manufacturer's grounding and filtering guidance, and verify that host-generated pulses provide the timing and energy required by the supply-voltage generator. Validate settling, calibration, noise, and synchronization with the complete meter firmware rather than judging performance from converter resolution alone.
コンプライアンス情報
The supplied manufacturer and distributor snippets do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Compliance fields remain unknown rather than inferred.
