LTC4312IDE#PBF Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
Analog Devices LTC4312IDE#PBF is a 2-channel automotive-grade I2C bus buffer in a 14-pin DFN EP package, enabling hot-swap bus isolation and capacitance buffering up to 400 kHz Fast Mode. Supports 2.7 V to 5.5 V supply and -40°C to 125°C AEC-Q100 operation. Available from stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- LTC4312IDE#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.0005(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-channel I2C buffer isolates bus capacitance for reliable hot-swap expansion up to 400 kHz
- AEC-Q100 automotive-grade rating covering -40°C to 125°C for harsh in-vehicle environments
- 14-pin DFN EP package with 2.7 V to 5.5 V supply range enables compact mixed-voltage I2C bus bridging
Applications
LTC4312IDE#PBF is used in automotive ECUs and ADAS sensor hubs where multiple I2C peripherals must be hot-plugged without corrupting the main bus. Its dual-channel architecture lets designers isolate two separate I2C segments at up to 400 kHz, ideal for camera modules, IMUs, and battery management ICs on the same vehicle network. The automotive temperature range of -40°C to 125°C also suits under-hood telematics and powertrain control module designs.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1708 |
| YTEOL | 10 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | eFUSE |
| JESD-30 Code | R-PDSO-N14 |
| JESD-609 Code | e3 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC14,.12,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.9V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What maximum I2C speed does LTC4312IDE#PBF support and how many bus channels does it buffer?
LTC4312IDE#PBF buffers 2 independent I2C channels at up to 400 kHz Fast Mode, isolating bus capacitance on each segment so that adding multiple slave devices does not degrade signal integrity on either channel.
Which automotive qualification makes LTC4312IDE#PBF suitable for under-hood designs?
The LTC4312IDE#PBF carries AEC-Q100 Grade 1 automotive qualification, guaranteeing reliable I2C bus buffering across a -40°C to 125°C junction temperature range for demanding under-hood ECU and sensor hub environments.
How does LTC4312IDE#PBF handle hot-swap events on an active I2C bus in ADAS systems?
The device uses internal charge pumps and back-drive protection to hold both SDA and SCL lines at defined logic levels during hot-plug insertion of an I2C peripheral, preventing bus corruption across up to 2 channels at 400 kHz in live ADAS sensor networks.
What supply voltage range does LTC4312IDE#PBF accept, and does it support mixed-voltage 3.3 V and 5 V designs?
LTC4312IDE#PBF operates from 2.7 V to 5.5 V, making it compatible with both 3.3 V and 5 V logic domains, enabling level-bridged I2C links between mixed-voltage microcontrollers and automotive sensors in the same 14-pin DFN EP footprint.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $8.0000 | $8.00 |
| 5+ | $4.1496 | $20.75 |
| 19+ | $4.1400 | $78.66 |
| 20+ | $3.1920 | $63.84 |
| 50+ | $3.0005 | $150.03 |
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