LT6108IDCB-2#TRMPBF Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
Analog Devices LT6108IDCB-2#TRMPBF is a high-side current-sense amplifier with integrated reference and comparators, featuring 125 dB CMRR and 450 µV max input offset voltage, packaged in an 8-pin SOT-23-style DFN for compact power-monitoring circuits.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LT6108IDCB-2#TRMPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.3500(MOQ 19)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High-side current-sense amplifier with 125 dB common-mode rejection ratio
- Maximum input offset voltage of only 450 µV for precise shunt measurement
- Integrated voltage reference and dual comparators reducing external component count
- Average bias current maximum of 0.35 µA enabling use with high-impedance shunts
- Compact 8-pin DFN package for space-constrained power-monitoring designs
Applications
The LT6108IDCB-2#TRMPBF is ideal for high-side current monitoring in battery management systems, DC-DC converters, and motor-drive supply rails where accurate current measurement at bus voltages well above the supply rail is required. Its on-chip reference and comparators allow threshold alerting without additional ICs, streamlining over-current protection circuits in industrial and telecom power systems.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1718 |
| YTEOL | 10 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | CURRENT-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.35 µA |
| Common-mode Reject Ratio-Nom | 125dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 450 µV |
| JESD-30 Code | R-PDSO-N8 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.12,18 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | YES |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Supply Current-Max | 0.95mA |
| Supply Voltage Limit-Max | 60V |
| Supply Voltage-Nom (Vsup) | 12V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.45mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 1000 |
| Wideband | YES |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 125 dB CMRR of LT6108IDCB-2#TRMPBF help in high-voltage rail monitoring applications?
A 125 dB common-mode rejection ratio means the amplifier suppresses common-mode noise on supply rails by a factor of roughly 560,000:1, allowing the device to accurately resolve millivolt-level shunt voltages even when the bus voltage swings by tens of volts. This makes it practical for monitoring 24 V or 48 V industrial supply rails without large measurement errors from rail transients.
With a 450 µV maximum input offset, what is the minimum detectable current when using a 10 mΩ shunt resistor?
Using a 10 mΩ shunt, the 450 µV maximum input offset translates to a 45 mA worst-case current measurement error. For applications requiring better than 1% accuracy at full scale, designers should select a shunt that generates at least 45 mV at full load, corresponding to a 4.5 A full-scale current range with this resistor value.
Does the integrated comparator in LT6108IDCB-2#TRMPBF eliminate the need for a separate over-current protection IC?
Yes — the on-chip dual comparators allow two threshold levels (for example a warning at 80% load and a fault trip at 100% load) to be set with external resistor dividers from the integrated reference, removing the need for a separate window comparator IC. This integration can save 2–4 components and reduce PCB area by approximately 20 mm² compared to a discrete solution.
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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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