LT6654AHS6-1.25#TRMPBF Analog Devices Integrated Circuit (SOT23 (6-Pin)) In Stock
The LT6654AHS6-1.25#TRMPBF is a precision 1.25V three-terminal voltage reference with ±0.2% initial accuracy, 100mA output current capability, and low temperature drift, designed for high-accuracy ADC and DAC reference applications. It operates from input voltages up to 12.6V and is housed in a compact 6-pin SOT-23 package for space-constrained designs. Available from Analog Devices in tape-and-reel with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- LT6654AHS6-1.25#TRMPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.6800(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT6654AHS6-1.25#TRMPBF?
- 1.25V precision output voltage with ±0.2% initial accuracy (1.24731V to 1.25269V guaranteed range)
- High output current capability up to 100mA enables direct buffering of multiple ADCs and DACs
- Low temperature coefficient for stable reference voltage across industrial and military temperature ranges
- Wide input voltage range supports operation from regulated 3.3V and 5V rails up to 12.6V input
- 6-pin SOT-23 package minimizes PCB footprint while providing both output and trim connection
What is LT6654AHS6-1.25#TRMPBF used for?
The LT6654AHS6-1.25#TRMPBF is designed for precision data acquisition systems, ADC/DAC reference inputs, and calibration circuits where a stable 1.25V reference voltage with ±0.2% accuracy is required across industrial temperature ranges. Its 100mA output current capability allows it to drive multiple converter reference inputs simultaneously without an external buffer op-amp. Instrumentation, medical measurement equipment, and sensor signal conditioning boards leverage this device as a reliable, low-noise voltage reference in a compact SOT-23 package.
What are the specifications of LT6654AHS6-1.25#TRMPBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1636 |
| YTEOL | 10 |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Voltage-Max | 1.25269V |
| Output Voltage-Min | 1.24731V |
| Output Voltage-Nom | 1.25V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 36V |
| Supply Voltage-Min (Vsup) | 2.4V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 10ppm/°C |
| Temperature Grade | MILITARY |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trim/Adjustable Output | NO |
| Voltage Tolerance-Max | 0.215% |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the LT6654AHS6-1.25#TRMPBF datasheet?
LT6654AHS6-1.25#TRMPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT6654AHS6-1.25#TRMPBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage accuracy and tolerance band of the LT6654AHS6-1.25#TRMPBF?
The LT6654AHS6-1.25#TRMPBF guarantees an output voltage between 1.24731V and 1.25269V, representing a ±0.2% initial accuracy band around the nominal 1.25V reference. This tight tolerance is sufficient for 12-bit ADC and DAC reference applications where the full-scale error from the reference must remain below half an LSB at 4096 counts.
How much output current can the LT6654AHS6-1.25#TRMPBF source, and why does this matter for multi-ADC designs?
The LT6654AHS6-1.25#TRMPBF can source up to 100mA of output current, which is sufficient to drive the reference inputs of 8 to 16 SAR ADCs simultaneously without load regulation errors degrading the reference voltage. This eliminates the need for an external buffer amplifier in mid-complexity data acquisition front-ends, reducing component count and PCB area.
What input voltage range does the LT6654AHS6-1.25#TRMPBF support, and from which common supply rails can it operate?
The LT6654AHS6-1.25#TRMPBF operates from input voltages up to 12.6V, making it compatible with 3.3V, 5V, and 12V system power rails. A minimum input-to-output voltage headroom of approximately 2V is required, so a 3.3V rail provides approximately 2V of headroom above the 1.25V output, sufficient for stable reference generation in 3.3V-powered embedded measurement systems.
For which precision measurement applications is the LT6654AHS6-1.25#TRMPBF a better choice than a 2.5V or 5V reference?
The 1.25V output of the LT6654AHS6-1.25#TRMPBF is optimally matched to ADCs and DACs with a 1.25V full-scale reference input, such as many 12-bit and 16-bit SAR converters in battery-monitoring ICs and portable instrumentation. Using a 1.25V reference instead of a 2.5V or 5V reference with a resistor divider eliminates the divider's noise amplification and matching errors, directly improving the signal-to-noise ratio by 6 dB for each factor-of-2 reduction in reference voltage.
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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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