MAX3397EELA+ Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
MAX3397EELA+ is a dual bidirectional voltage-level translator in a 2x2x0.75 mm µDFN-8 package, supporting low-voltage logic-level shifting with open-drain outputs and up to 1000 ns propagation delay. It enables seamless signal translation between different voltage domains in mixed-supply PCB designs. Ideal for I2C, SPI, and GPIO level-shifting in portable, IoT, and battery-powered systems.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MAX3397EELA+ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual bidirectional level translation for mixed-supply PCB designs
- Open-drain outputs compatible with I2C and wired-AND bus topologies
- Ultra-compact 8-pin 2x2x0.75 mm LFCSP package
- Maximum propagation delay of 1000 ns for moderate-speed buses
- Supports low-voltage logic families from different supply rails
- RoHS-compliant lead-free (JESD-609 e4) construction
Applications
MAX3397EELA+ is widely used in mixed-supply PCB designs to bridge 3.3 V microcontroller I2C buses to 1.8 V sensors or to interface 5 V legacy peripherals with modern low-voltage SoCs. Its open-drain bidirectional architecture makes it a direct fit for I2C level shifting without external pull-up complications. The 2x2 mm footprint suits space-constrained wearable, IoT module, and portable medical device boards where standard larger-body translators would be impractical.
Specifications
| Manufacturer Package Code | 8-LFCSP-2X2X0.75 |
| Date Of Intro | 2007-05-09 |
| YTEOL | 10 |
| Delay-Max | 1000ns |
| Interface IC Type | VOLTAGE LEVEL TRANSLATOR |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e4 |
| Number of Bits | 1 |
| Number of Functions | 1 |
| Output Characteristics | OPEN-DRAIN |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.08,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 1.2V |
| Supply Voltage-Nom | 1.8V |
| Supply Voltage1-Max | 5.5V |
| Supply Voltage1-Min | 1.65V |
| Supply Voltage1-Nom | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Gold/Nickel (Au/Ni) |
| 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 | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does MAX3397EELA+ handle bidirectional signal translation on an I2C bus between 3.3 V and 1.8 V domains?
MAX3397EELA+ uses open-drain outputs that allow both sides of the bus to drive the line low, with pull-up resistors on each voltage rail completing the bidirectional path. This means a 1.8 V sensor can pull SDA low and a 3.3 V microcontroller can do the same, with the translator preventing high-voltage signals from damaging 1.8 V inputs.
What is the propagation delay specification of MAX3397EELA+ and which bus speeds does this support?
MAX3397EELA+ has a maximum propagation delay of 1000 ns, which supports I2C standard mode at 100 kHz and fast mode at 400 kHz where signal timing margins are relaxed. For high-speed I2C at 1 MHz or fast SPI buses above 1 MHz, a lower-delay translator would be required.
What package dimensions does MAX3397EELA+ use and how does this compare to standard SOIC-8 translators for compact boards?
MAX3397EELA+ comes in an 8-pin LFCSP measuring just 2x2x0.75 mm, compared to a standard SOIC-8 which measures approximately 5x4 mm. This 6x footprint reduction makes it the preferred choice for IoT modules, wearables, and densely populated sensor boards where every square millimeter of PCB space matters.
Is MAX3397EELA+ appropriate for new designs or should buyers consider a more recent dual-channel translator?
MAX3397EELA+ was introduced in May 2007 and carries a YTEOL rating of 10 years from its tracking date, indicating continued availability. However, buyers should verify current lifecycle status with Analog Devices or authorized distributors when designing systems with 5+ year production commitments, and consider newer 2-channel translators with lower propagation delay if faster I2C or SPI speeds are required.
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