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Home Products Integrated Circuits (ICs)PMIC - Voltage Reference~~LT6654BIS6-4.096#TRPBF~~

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LT6654BIS6-4.096#TRPBF - Analog Devices Inc.

Name: Analog Devices Inc. LT6654BIS6-4.096#TRPBF
Brand: Analog Devices Inc.
SKU: LT6654BIS6-4.096#TRPBF
Price: 0.642 USD
Availability: InStock
Rating: 5 (9 reviews)

Manufacturer Part Number: LT6654BIS6-4.096#TRPBF

Manufacturer: Analog Devices, Inc.

Allelco Part Number: 32D-LT6654BIS6-4.096#TRPBF

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 11,866 pcs available, New & Original

Parts Description: IC VREF SERIES 0.1% TSOT23-6

Package: TSOT-23-6

Data sheet: LT6654BIS6-4.09.pdf

Datasheets
LT6654 Datasheet.pdf Precision Voltage References Selection Card.pdf

Environmental Information
Material Declaration LT6654BIS6-4.096#TRPBF.pdf

Other Related Documents
Tape and Reel Packaging.pdf

RoHs Status: ROHS3 Compliant

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Specifications

LT6654BIS6-4.096#TRPBF Tech Specifications
Analog Devices Inc. - LT6654BIS6-4.096#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT6654BIS6-4.096#TRPBF

Product Attribute	Attribute Value
Manufacturer	Analog Devices, Inc.
Voltage - Output (Min/Fixed)	4.096V
Voltage - Input	4.596V ~ 36V
Tolerance	±0.1%
Temperature Coefficient	20ppm/°C
Supplier Device Package	TSOT-23-6
Series	-
Reference Type	Series
Package / Case	SOT-23-6 Thin, TSOT-23-6

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Output Type	Fixed
Operating Temperature	-40°C ~ 85°C (TA)
Noise - 10Hz to 10kHz	2ppmrms
Noise - 0.1Hz to 10Hz	2ppmp-p
Mounting Type	Surface Mount
Current - Supply	600µA
Current - Output	10 mA
Base Product Number	LT6654

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

LT6654BIS6-4.096#TRPBF (1)

Manufacturer Part Number

LT6654BIS6-4.096#TRPBF

Manufacturer

analog-devices

Introduction

The analog-devices LT6654BIS6-4.096#TRPBF is a high-precision, low-noise, fixed-voltage reference IC. It provides a highly accurate and stable 4.096V reference voltage, making it suitable for a wide range of applications that require a precise and reliable voltage reference.

Product Features and Performance

Highly accurate 4.096V output voltage with ±0.1% tolerance

Low temperature coefficient of 20ppm/°C

Low noise performance of 2ppm p-p (0.1Hz to 10Hz) and 2ppm rms (10Hz to 10kHz)

Wide input voltage range of 4.596V to 36V

Low supply current of 600μA

Operating temperature range of -40°C to 85°C

Product Advantages

Exceptional voltage accuracy and stability

Excellent noise performance for sensitive applications

Wide operating voltage and temperature ranges

Small, space-saving TSOT-23-6 package

Key Reasons to Choose This Product

Highly reliable and precise voltage reference for critical circuits

Versatile design suitable for a wide range of power management applications

Compact and efficient solution that simplifies circuit design

Backed by analog-devices' reputation for quality and innovation

Quality and Safety Features

Rigorously tested to ensure consistent performance and reliability

Complies with industry safety and environmental standards

Compatibility

The LT6654BIS6-4.096#TRPBF is compatible with a variety of electronic systems and devices that require a stable and accurate voltage reference.

Application Areas

Analog-to-digital converters (ADCs)

Sensor conditioning circuits

Precision instrumentation

Data acquisition systems

Industrial control and automation

Medical equipment

Telecommunications equipment

Product Lifecycle

The LT6654BIS6-4.096#TRPBF is an active product, and there are no plans for discontinuation at this time. There may be equivalent or alternative models available, so customers are encouraged to contact our website's sales team for the most up-to-date information on product options and availability.

Frequently Asked Questions(FAQ)

How does the LT6654BIS6-4.096#TRPBF compare to other voltage references in terms of noise performance, and what are the implications for high-precision analog designs?: The LT6654BIS6-4.096#TRPBF exhibits a 0.1Hz to 10Hz noise level of 2ppm p-p and 10Hz to 10kHz noise of 2ppm rms, which places it among the lower-noise precision references. This level of noise is critical in applications such as data acquisition systems or sensor signal conditioning where even small voltage fluctuations can degrade measurement integrity. When compared to references with higher noise floors—such as those exceeding 5ppm rms over 10Hz to 10kHz—this device provides superior spectral purity, making it suitable for 16-bit and higher resolution ADCs. However, designers must still consider thermal management and layout parasitics, as even low-noise sources can be compromised by poor grounding or proximity to switching regulators.

What is the significance of the ±0.1% initial accuracy and 20ppm/°C temperature coefficient in the LT6654BIS6-4.096#TRPBF, and how do they interact in real-world operating conditions?: The ±0.1% initial tolerance means the output voltage can deviate up to 4.096mV from the nominal value at room temperature, while the 20ppm/°C temperature coefficient implies a drift of approximately 8.2ppm per degree Celsius over the -40°C to +85°C range. Over full industrial temperature span, this results in a total drift contribution of about 1.7ppm/°C equivalent when combined with initial offset. In precision systems like weighing scales or calibration standards, these parameters define the long-term stability envelope. Designers often use trimming or post-calibration to compensate for initial deviation, but must factor in cumulative error when cascading multiple precision stages.

Can the LT6654BIS6-4.096#TRPBF be used in battery-powered applications, and how does its supply current affect system lifetime?: Yes, the LT6654BIS6-4.096#TRPBF consumes only 600µA typical quiescent current, which makes it viable for battery-operated devices such as portable medical monitors or IoT edge sensors. Assuming a single Li-ion cell (3V nominal) and a 100mAh battery, continuous operation would yield roughly 43 days of runtime if the reference is always active. While not ultra-low-power like some sub-µA references, this level balances noise, output drive, and power efficiency. For intermittent duty cycles, external shutdown control could further extend life, though the TSOT-23-6 package limits thermal dissipation during high-current transients.

What are the key differences between the LT6654BIS6-4.096#TRPBF and alternative models like the LT6654BIS6-4.096#TRMPBF, particularly in terms of packaging and traceability?: Both the LT6654BIS6-4.096#TRPBF and LT6654BIS6-4.096#TRMPBF share identical electrical characteristics and pinout, differing only in tape-and-reel orientation—specifically, #TRPBF uses standard tape direction while #TRMPBF employs modified carrier placement per reel. These variants ensure compatibility with automated pick-and-place systems without requiring feeder reconfiguration. From a design standpoint, engineers selecting either part will experience identical performance; the distinction is purely logistical. Always verify reel specifications with suppliers to avoid assembly line errors during mass production.

How does input voltage range flexibility impact circuit implementation when using the LT6654BIS6-4.096#TRPBF alongside switching regulators?: With an input range of 4.596V to 36V, the LT6654BIS6-4.096#TRPBF supports direct connection to unregulated supplies such as automotive loads (up to 36V) or post-DC/DC rails down to 4.6V. This eliminates the need for linear pre-regulators in many cases, reducing component count and heat. However, care must be taken near the lower end—droop below 4.596V risks instability or output droop due to insufficient headroom. When interfacing with buck converters delivering ~5V, adequate decoupling capacitance close to the IC pins mitigates ripple coupling that could affect reference accuracy.

Is it advisable to bypass the LT6654BIS6-4.096#TRPBF with a capacitor, and if so, what type and value optimize stability?: Yes, bypassing is recommended for optimal performance. A 0.1µF ceramic capacitor placed as close as possible to the V+ and GND pins minimizes high-frequency noise injection and enhances PSRR. While not strictly required due to internal compensation, this practice improves immunity to transient disturbances common in industrial environments. Avoid electrolytic capacitors for bypassing due to leakage and ESR effects. For systems sensitive to microphonic noise, adding a small tantalum or film capacitor in parallel with the ceramic may further dampen mechanical vibration coupling.

What layout considerations are essential to maintain the LT6654BIS6-4.096#TRPBF’s specified noise and stability characteristics?: Maintain short, wide traces between input supply, bypass capacitor, and load return path to minimize parasitic inductance and resistance. Ground plane connectivity under the device ensures low-impedance return paths, critical for rejecting conducted noise. Keep feedback nodes (if used) isolated from noisy digital lines. Thermal vias are unnecessary given the low power dissipation (<20mW), but proper soldering to the pad prevents cold joints. Routing adjacent to high-speed signals should be avoided to prevent capacitive crosstalk into the sensitive reference node.

How does output current capability influence downstream circuit design when using the LT6654BIS6-4.096#TRPBF?: The LT6654BIS6-4.096#TRPBF delivers up to 10mA, sufficient for driving most op-amps, ADC reference inputs, or low-impedance DACs. If driving higher currents (>10mA), consider buffering with an op-amp or using a dedicated LDO after the reference. Driving capacitive loads above 10nF may require series isolation resistors to prevent ringing and oscillation. In multi-channel applications, distributing loads across multiple references avoids overdriving any single device and preserves linearity.

What role does moisture sensitivity level (MSL) play in manufacturing handling of the LT6654BIS6-4.096#TRPBF, and how should storage differ from leaded packages?: The LT6654BIS6-4.096#TRPBF has an MSL rating of 1, indicating unlimited shelf life under standard dry storage conditions without bake-out prior to reflow. This contrasts with MSL 2A or higher parts requiring humidity monitoring and desiccated packaging. During assembly, exposure to ambient humidity beyond 30 days at >85% RH may necessitate pre-baking, but this is rarely needed for MSL 1 devices. Proper ESD precautions remain essential regardless of MSL classification due to the sensitive gate oxides in CMOS processes.

Can the LT6654BIS6-4.096#TRPBF operate reliably in harsh environments outside its rated temperature range?: No, the LT6654BIS6-4.096#TRPBF is specified for operation from -40°C to +85°C (TA). Exceeding this range introduces risks of parametric shift, increased noise, reduced reliability, and potential failure. Applications involving extreme temperatures—such as downhole instrumentation or aerospace systems—require radiation-hardened or wider-range alternatives. Even within specification, thermal gradients across PCBs can cause localized heating that exceeds effective junction temperatures, so airflow and spacing should be evaluated during thermal simulation.

How does the fixed 4.096V output benefit digital-to-analog conversion systems compared to adjustable references?: The 4.096V output aligns closely with common ADC full-scale ranges, such as those used in 12-bit systems requiring 4096 discrete levels. Using a reference matching the code word scale eliminates scaling factors in firmware, simplifying gain calculations and improving quantization accuracy. Compared to adjustable references set via resistors, fixed-output types like the LT6654BIS6-4.096#TRPBF reduce external component count and potential mismatch errors. However, flexibility comes at the cost of non-customizable output, so selection depends on whether the application demands exact fractional voltage generation.

What precautions should be taken when substituting the LT6654BIS6-4.096#TRPBF with similar devices in existing designs?: Substitute candidates must match not only output voltage and tolerance but also noise, PSRR, startup time, and package footprint. For example, replacing with a 4.096V reference having higher noise or lower drive capability could degrade system SNR or cause instability. Verify compatibility with PCB routing and thermal profiles during reflow. Always perform bench testing under actual load conditions rather than relying solely on datasheet comparisons. Analog Devices typically provides substitution guides, but cross-manufacturer equivalents may exhibit different dynamic behaviors.

How does the TSOT-23-6 package affect PCB real estate and thermal performance of the LT6654BIS6-4.096#TRPBF?: The TSOT-23-6 occupies minimal board space, ideal for compact designs such as handheld instruments or modular test equipment. Despite its small size, the exposed pad provides modest thermal conduction, though power dissipation remains low (<20mW) due to the reference’s inherent efficiency. Thermal resistance is typically around 120°C/W junction-to-air, meaning self-heating effects are negligible under normal conditions. Still, adjacent components should allow airflow to prevent localized hotspots that might elevate nearby IC temperatures beyond specification.

In what scenarios would the LT6654BIS6-4.096#TRPBF be preferred over a bandgap-based reference despite its higher cost?: The LT6654BIS6-4.096#TRPBF offers better noise, tighter temperature drift, and superior PSRR than traditional bandgap references, making it preferable in precision measurement front-ends, instrumentation amplifiers, and high-resolution data converters. Its buried Zener architecture achieves these advantages at the expense of complexity and unit cost. When system-level accuracy budgets demand <1ppm variation over temperature or sub-5ppm noise, the investment in this device pays dividends through reduced calibration overhead and improved yield.

Does the LT6654BIS6-4.096#TRPBF require external start-up circuitry, and how reliable is its turn-on behavior?: No external start-up components are needed; the LT6654BIS6-4.096#TRPBF powers up predictably from zero volts with a soft-start characteristic that avoids inrush surges. Internal biasing ensures monotonic output ramp under all valid supply conditions. Startup time is typically under 1ms, sufficient for microcontroller-based systems sampling the reference shortly after power-up. However, sudden power cycling under no-load conditions may result in brief undershoot; a small load resistor (e.g., 10kΩ) guarantees stable initialization.

What impact does supply voltage ripple have on the LT6654BIS6-4.096#TRPBF’s output accuracy, and how can it be mitigated?: Supply rejection ratio (PSRR) degrades at higher frequencies, so ripple near the 100kHz to 1MHz range—common in switching regulators—can couple into the output. At 100kHz, PSRR might drop to 40dB, allowing significant attenuation of ripple but not complete elimination. Mitigation strategies include placing bulk and ceramic decoupling capacitors close to the input pin, using linear regulators upstream, or selecting switch-mode supplies with low output impedance and tight regulation. Monitoring output under worst-case ripple conditions during prototype validation is strongly advised.

How does RoHS compliance and REACH status influence procurement decisions involving the LT6654BIS6-4.096#TRPBF?: RoHS3 compliance confirms absence of restricted substances like lead, mercury, and cadmium, ensuring suitability for global markets including EU and China. REACH unaffected status indicates no SVHC (substance of very high concern) content above regulatory thresholds, reducing legal and supply chain risk. These attributes facilitate certification processes in medical, automotive, and consumer electronics sectors. While not affecting electrical performance, they simplify documentation and audit trails during compliance reviews.

What testing protocols should be implemented to validate the LT6654BIS6-4.096#TRPBF’s performance before deploying in production hardware?: Validate under worst-case conditions: minimum and maximum supply voltages (±10%), full temperature range, and maximum load current. Measure output voltage stability, noise floor, and recovery after supply dips. Perform aging tests over 1000 hours to assess drift trends. Include ESD stress testing per IEC 61000-4-2. For batch acceptance, statistical sampling should confirm tolerance distribution matches manufacturer claims. Document all results against system accuracy requirements, especially if contributing to overall uncertainty budgets in metrology applications.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT6654BIS6-4.096#TRPBF

Product Attribute
Part Number	LT6654BIS6-4.096#TRMPBF	LT6654BIS6-2.048#TRMPBF	LT6654BIS6-2.048#TRPBF	LT6654BMPS6-2.048#TRMPBF
Manufacturer	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Tolerance	-	-	-	-
Noise - 0.1Hz to 10Hz	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Current - Output	-	-	-	-
Current - Supply	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Voltage - Output (Min/Fixed)	-	-	-	-
Series	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Output Type	-	Current - Unbuffered	Voltage - Buffered	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Voltage - Input	-	-	-	-
Temperature Coefficient	-	-	-	-
Noise - 10Hz to 10kHz	-	-	-	-
Reference Type	-	External, Internal	External	External, Internal

LT6654BIS6-4.096#TRPBF Datasheet PDF

Download LT6654BIS6-4.096#TRPBF pdf datasheets and Analog Devices Inc. documentation for LT6654BIS6-4.096#TRPBF - Analog Devices Inc..

Datasheets: LT6654 Datasheet.pdf Precision Voltage References Selection Card.pdf
Environmental Information: Material Declaration LT6654BIS6-4.096#TRPBF.pdf
Other Related Documents: Tape and Reel Packaging.pdf

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Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.
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Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.
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Sep 8, 2026

Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.
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Sep 2, 2026

Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
Retr***UWorks

Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
Andr***PCBLab

Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
Leat***O'Keefe

Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
Ilen***

Aug 20, 2026

This product works considerably well. It secretly improves my basketball by a lot.
Indu***ialPower

Aug 17, 2026

Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.
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Aug 13, 2026

Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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