Datasheet for DC1794A:
- Manufacturer Part Number : DC1794A
- Manufacturer : AD
- Description : Isolated USB Transceiver with Isolated Power IC
- Series : LTM2884
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Digital Isolation Technology
- Function : USB Isolators
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LTM2885 Demo Board | 6.5kV Isolated RS485/RS422 µModule Transceiver + Power
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC1794A
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- LTM2884: 2500VRMS for 1 Minute
- LTM2884(a): 3000VRMS for 1 Minute
- LTM2884: UL Recognized File #E151738
- LTM2884(a): CSA Recognized File #255632
- USB 2.0 Full Speed and Low Speed Compatible
- Integrated Isolated DC/DC Converter, External or Bus Powered
- Auto-Configuration of Bus Speed
- 2.5W (500mA at 5V) Output Power from External Input Supply (VCC = 8.6V to 16.5V)
- 1W (200mA at 5V) Output Power from USB Bus Supply (VBUS)
- 3.3V LDO Output Supply Signal References VLO, VLO2
- High Common Mode Transient Immunity: 30kV/μs
- ESD: ±15kV HBM on USB Interface Pins
- 15mm × 15mm × 5mm Surface Mount BGA Package
The LTM2884 is a complete galvanically isolated USB 2.0 compatible μModule® (micromodule) transceiver. An upstream supply powers both sides of the interface through an integrated, isolated DC/DC converter.
The LTM2884 is ideal for isolation in host, hub, bus splitter or peripheral device applications. It is compatible with USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) operation. Automatic speed selection configures integrated pull-up resistors on the upstream port to match those sensed on the downstream device.
The isolator μModule technology uses coupled inductors and an isolated power transformer to provide isolation between the upstream and downstream USB interface. This device is ideal for systems requiring isolated ground returns or large common mode voltage variations. Uninterrupted communication is guaranteed for common mode transients greater than 30kV/μs.
Enhanced ESD protection allows this part to withstand up to ±15kV (human body model) on the USB transceiver interface pins to local supplies and ±15kV through the isolation barrier to supplies without latch-up or damage.
Applications
- Isolated USB Interfaces
- Host, Hub, or Device Isolation
- Industrial/Medical Data Acquisition
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
