LTC6820IMS#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LTC6820IMS#TRPBF is a single-channel isoSPI isolated communications interface IC. It translates standard SPI signals to a differential 2-wire interface providing isolation up to 2500 V. Housed in a 16-pin SSOP package for compact board integration.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- LTC6820IMS#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.1900(MOQ 48)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- isoSPI protocol translates 4-wire SPI to isolated 2-wire differential signaling over 100 m cable
- Supports data rates up to 1 Mbps with robust common-mode transient immunity exceeding 50 kV/µs
- Operates from 2.7 V to 5.5 V supply enabling compatibility with both 3.3 V and 5 V logic systems
- 16-pin SSOP package with integrated isolation transformer driver for minimal external component count
Applications
The LTC6820IMS#TRPBF is designed for multi-cell battery management systems where isolated SPI communication between daisy-chained battery monitor ICs is required. It enables galvanic isolation across high-voltage battery stacks in electric vehicles and grid energy storage, eliminating the need for optical isolators or discrete transformer drivers. Industrial sensor networks and motor drive gate driver interfaces also leverage its 2-wire differential isoSPI link for long-distance robust communication.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1669 |
| YTEOL | 10 |
| Interface IC Type | INTERFACE CIRCUIT |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
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 | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What maximum data rate does LTC6820IMS#TRPBF support over the isoSPI isolated 2-wire link?
LTC6820IMS#TRPBF supports isoSPI communication at up to 1 Mbps over the 2-wire differential interface. This is sufficient for real-time cell voltage and temperature data transfer in battery management systems monitoring 12 or more series-connected cells updating at 10 ms intervals.
How does the LTC6820 handle common-mode transients in high-voltage battery stack environments?
The LTC6820IMS#TRPBF provides common-mode transient immunity exceeding 50 kV/µs, making it robust against fast voltage transients that occur during switching in 400 V to 800 V battery stacks. This prevents data corruption on isoSPI links in electric vehicle inverter environments where IGBTs switch several hundred volts in under 100 ns.
Can LTC6820IMS#TRPBF replace optocoupler-based SPI isolation in existing designs?
Yes, LTC6820IMS#TRPBF provides a pin-efficient alternative to optocoupler SPI isolation by converting 4-wire SPI into a 2-wire twisted pair running up to 100 m. It reduces total component count by eliminating 4 optocouplers and their associated LED drive resistors, while operating from a 2.7 V to 5.5 V supply range compatible with most microcontroller logic levels.
What is the physical size advantage of the 16-pin SSOP package for battery management PCB layouts?
The 16-pin SSOP package occupies roughly 5.3 mm x 6.2 mm of board area with 0.635 mm pin pitch, significantly smaller than a SOIC-16 footprint. This compactness is valuable in battery management modules stacked directly on lithium-ion cell groups where PCB area is constrained to under 20 cm².
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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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| 48+ | $4.2224 | $202.68 |
| 62+ | $4.0817 | $253.07 |
| 82+ | $3.6594 | $300.07 |
| 500+ | $3.4625 | $1731.25 |
| 1000+ | $3.1900 | $3190.00 |
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