ISO6763 - 6-Ch Reinforced Digital Isolator 50Mbps | Texas Instruments
部品番号: ISO6763 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $4.95 | $4.95 |
| 10 | $4.45 | $44.50 |
| 100 | $3.85 | $385.00 |
| 500 | $3.35 | $1,675.00 |
| 1,000 | $2.95 | $2,950.00 |
ISO6763 概要
A digital isolator is an interface IC that transfers digital signals across a galvanic isolation barrier while blocking high voltages, isolating ground potentials, and preventing noise coupling. Within the signal-chain hierarchy, digital isolators belong to the interface IC family and are essential building blocks in industrial data buses, isolated power supplies, and motor-drive gate-drive isolation systems.
Key features include six isolation channels in a 3/3 configuration, 50 Mbps signaling for high-speed SPI and parallel interfaces, and reinforced 5000 Vrms isolation rating for safety-critical designs. The ISO6763 belongs to the ISO676x family (ISO6760, ISO6761, ISO6762, ISO6763, datasheet SLLSFK0E, August 2021, revised February 2023), which shares silicon-on-insulator-based capacitive isolation technology with the proven ISO77xx generation.
The device uses TI's latest generation of capacitive isolation architecture with on-chip transformers implemented as SiO2 capacitors, delivering robust EMC performance with high CMTI. Low propagation delay and low channel-to-channel skew make it well suited for clocked interfaces. Wide-side supply support down to 1.8 V allows direct interfacing with modern low-voltage MCUs and FPGAs without level shifting.
Typical applications include RS-485 and CAN bus isolation, isolated SPI for ADCs and DACs, industrial PLC I/O modules, and motor-control signal isolation connecting MCUs to gate drivers. The automotive-grade ISO6763FQDWRQ1 variant extends usage to vehicle systems requiring AEC-Q100 qualification.
When designing, place 0.1 uF bypass capacitors close to both VCC1 and VCC2 pins and route signals across the barrier with generous creepage clearance; unused inputs should be tied to a defined logic level to prevent floating-channel oscillation.
ドロップイン代替品: ISO6763 — 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。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: ISO6763 （同一形状・フットプリント） — 相違点: Package, CMTI, Maximum Data Rate, Common-Mode Transient Immunity, Number of Channels.
クイック比較ツール — 並列比較する代替部品を選択:
ISO6763FQDWRQ1
✅ ドロップイン✓ 在庫あり
$1.78 / 個
データシートを見る →ISO7763DWR
✅ ドロップイン✓ 在庫あり
価格はお問い合わせください
データシートを見る →ISO6762DWR
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
ISO6760DWR
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$0.94 / 個
データシートを見る →SI8663BB-B-IS
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
ADuM261N1BRZ
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
ISO6763 仕様
| Number of Channels | 6 (3/3 direction) |
| Max Data Rate | 50 Mbps |
| Isolation Rating | 5000 Vrms |
| CMTI | 50 kV/us |
| Supply Voltage Range (Side 1) | 1.8 V to 5.5 V |
| Supply Voltage Range (Side 2) | 1.8 V to 5.5 V |
| Logic Level Support | 1.8 V, 2.5 V, 3.3 V, 5 V |
| Isolation Technology | Capacitive (SiO2, SOI-based) |
| Supported Interfaces | CAN, RS232, RS485, SPI |
| パッケージ | 16-SOIC (DW, 7.50 mm width) |
| 実装タイプ | Surface Mount |
| Automotive Grade Variant | ISO6763FQDWRQ1 (AEC-Q100) |
| RoHS ステータス | Compliant |
| Family Datasheet | SLLSFK0E (Aug 2021, rev Feb 2023) |
ISO6763 16-soic (dw, 7.50 mm width) ピン配置ガイド
ISO6763 (16-soic (dw, 7.50 mm width) パッケージ) のピン配置。 ピン番号、機能、接続図はメーカーのデータシートで定義されています。正確なフットプリントとはんだ付けのガイドラインについては、データシートを参照してください。
詳細なピン配置データはありません: ISO6763.
詳細は データシート をご参照ください。
主な用途
ISO6763 の用途: 6 件s: Isolated RS-485 Bus Nodes, CAN Bus Isolation, Isolated SPI for ADCs and DACs, Motor Drive Gate-Drive Signal Isolation, PLC I/O Modules, Automotive Body and Powertrain Isolation.
Isolated RS-485 Bus Nodes
The ISO6763 isolates the UART/control lines feeding RS-485 transceivers in industrial fieldbus nodes. Its 50 Mbps rate comfortably exceeds 20 Mbps profiling needs, and 50 kV/us CMTI sustains signaling through large ground-potential transients common on long factory floors. Six channels in 3/3 direction allow full TX/RX plus direction-control and fault signaling across one device, replacing multiple dual-channel isolators and cutting BOM count and board area.
おすすめ
CAN Bus Isolation
For isolated CAN and CAN FD nodes, the ISO6763 isolates TX, RX, and standby/control signals between the MCU and CAN transceiver. Its 5000 Vrms reinforced isolation supports safety separation in industrial and automotive gateways, while 50 kV/us CMTI keeps the bus stable under load-dump and ground-shift events. The 1.8 V logic support lets it sit directly beside modern low-voltage MCUs without level translators.
おすすめ
Isolated SPI for ADCs and DACs
The ISO6763's 50 Mbps data rate supports high-throughput isolated SPI links to precision data converters. Three channels in each direction carry SCLK, MOSI/CS and MISO/DRDY signals with low channel-to-channel skew across the barrier. 1.8 V to 5 V supply support on both sides allows direct connection to low-voltage converters and 5 V industrial logic. The capacitive isolation adds no switching noise into sensitive analog domains.
おすすめ
Motor Drive Gate-Drive Signal Isolation
In motor inverters, the ISO6763 isolates PWM and fault/enable signals between the MCU controller domain and IGBT/SiC gate-driver domain. The 50 kV/us CMTI is essential where high dv/dt switching edges would corrupt ordinary optocouplers, and 5000 Vrms reinforced rating supports the safety separation between low-voltage control and high-voltage power stages. Low propagation delay preserves PWM dead-time accuracy for efficient switching.
おすすめ
PLC I/O Modules
Programmable logic controller I/O cards use the ISO6763 to isolate digital input/output banks from the backplane logic. Six channels per device consolidate isolation for dense I/O boards, reducing component count versus dual-channel parts. Reinforced 5000 Vrms isolation addresses field-wiring surge exposure, and robust EMC performance helps meet industrial immunity requirements in electrically noisy cabinets.
おすすめ
Automotive Body and Powertrain Isolation
For vehicle ECUs linking 3.3 V/5 V domains across battery-domain boundaries, the AEC-Q100 qualified ISO6763FQDWRQ1 variant provides identical 3/3-channel, 50 Mbps, 5000 Vrms isolation with automotive qualification. It suits onboard charger communication, isolated sensor interfaces, and domain gateway links. The shared package with the standard ISO6763 lets one PCB layout serve both industrial and automotive end items.
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: ISO6763 — 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 | ISO6763FQDWRQ1 | ISO7763DWR | SI8663BB-B-IS | ADuM261N1BRZ |
|---|---|---|---|---|---|
| Package | 16-SOIC (DW, 7.50 mm) | 16-SOIC (DW) - same | 16-SOIC (DW) - same | 16-SOIC - same footprint class | 16-SOIC - same footprint class |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Skyworks Solutions | Analog Devices |
| Channels | 6 (3/3) | 6 (3/3) | 6 (3/3) | 6 (3/3) | 6 (3/3) |
| Automotive Grade | No (standard ISO6763) | Yes (AEC-Q100) | Q1 option available | No | No |
主な差別化要因
- Latest-generation reinforced EMC isolator （vs ISO7763DWR)
- Direct automotive path with same footprint （vs ISO6763FQDWRQ1)
- 1.8 V logic support on both sides （vs ADuM261N1BRZ)
設計ノート
Place 0.1 uF ceramic bypass capacitors within 2 mm of both VCC1 and VCC2 pins, each referenced to its own side ground. Maintain the isolation barrier as a continuous board slot or gap; route all six signals perpendicular to the barrier to preserve creepage and minimize inter-channel coupling across the isolation boundary.
Tie unused channel inputs to a defined logic level (VCC or GND of that side). Floating inputs on capacitive isolators can oscillate and inject noise into adjacent channels. Also confirm default output states on power-up: if the other side is unpowered, outputs default low, which matters for fail-safe behavior in RS-485 direction control and gate-drive enable lines.
At 50 Mbps, use series termination (22 to 33 ohm) on high-speed channels near the driving side to control ringing, and keep traces on each side short with solid ground references. The isolator's low channel-to-channel skew suits clocked SPI; minimize asymmetric trace lengths between clock and data lines to preserve setup/hold margins at the receiver.
コンプライアンス情報
RoHS compliant per DigiKey listing for ISO6763DWR. AEC-Q100 qualification applies only to ISO6763FQDWRQ1 variant. Detailed REACH/halogen status: see TI quality portal.
