LT6657AHMS8-3#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The LT6657AHMS8-3#TRPBF is a precision buffered 3.0 V voltage reference from Analog Devices with an ultra-low 1.5 ppm/°C temperature drift and ±0.1% initial accuracy in an 8-pin MSOP package. It is optimized for high-resolution ADC and DAC reference applications in industrial instrumentation and data acquisition systems.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LT6657AHMS8-3#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.5200(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT6657AHMS8-3#TRPBF?
- Ultra-low 1.5 ppm/°C temperature drift for high-stability references
- ±0.1% initial output accuracy at 3.0 V output voltage
- Output buffered to source or sink 10 mA with load regulation
- Wide input voltage range: 3.3 V to 13.2 V
- Low output noise: 4 µV p-p (0.1 Hz to 10 Hz)
- 8-pin MSOP package for compact precision signal chain layouts
- Reverse-battery and short-circuit protection built in
- Tape-and-reel packaging for automated PCB assembly
What is LT6657AHMS8-3#TRPBF used for?
The LT6657AHMS8-3#TRPBF is ideal as a precision reference for 16-bit and 18-bit SAR ADCs and DACs in industrial data acquisition systems where thermal drift directly impacts measurement accuracy. Its 10 mA output drive capability allows it to supply multiple converter reference inputs simultaneously without additional buffer amplifiers, simplifying signal chain design. Precision weigh scales, medical patient monitoring instruments, and automated test equipment benefit from its combination of low drift and noise performance in a compact MSOP footprint.
What are the specifications of LT6657AHMS8-3#TRPBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1660 |
| YTEOL | 10 |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Voltage-Max | 3.003V |
| Output Voltage-Min | 2.997V |
| Output Voltage-Nom | 3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 40V |
| Supply Voltage-Min (Vsup) | 3.5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 1.5ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trim/Adjustable Output | NO |
| 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 |
Where can I find the LT6657AHMS8-3#TRPBF datasheet?
LT6657AHMS8-3#TRPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT6657AHMS8-3#TRPBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 1.5 ppm/°C drift of the LT6657AHMS8-3#TRPBF affect accuracy in a 16-bit ADC reference application?
A 1.5 ppm/°C drift across a 50°C temperature range produces only 75 ppm total shift, which is well below the 15 ppm (1 LSB) budget of a 16-bit ADC reference. This ensures the system maintains its rated 16-bit resolution without trimming or software compensation over industrial operating conditions from -40°C to 125°C.
What load current can the LT6657AHMS8-3#TRPBF output buffer drive, and how does this benefit multichannel DAC systems?
The buffered output can source or sink up to 10 mA with less than 0.01% load regulation, allowing a single LT6657AHMS8-3 to drive the reference inputs of 4 or more 16-bit DAC channels simultaneously. This eliminates the need for an external op-amp buffer stage, reducing component count and PCB area by at least one IC.
How does the LT6657AHMS8-3 compare to the LT6657CHMS8-3 variant for use in precision test equipment operating across a wide temperature range?
The A-grade LT6657AHMS8-3 is specified with a tighter 1.5 ppm/°C maximum drift and ±0.1% initial accuracy compared to the C-grade 3 ppm/°C limit, making it the correct choice for precision test equipment that must maintain calibration from -40°C to 125°C without periodic recalibration cycles.
What is the minimum input voltage required to keep the LT6657AHMS8-3#TRPBF in regulation at the 3.0 V output?
The LT6657AHMS8-3#TRPBF requires a minimum input voltage of 3.3 V to maintain its 3.0 V regulated output, providing a headroom of 300 mV. This allows operation directly from a 3.3 V system supply while keeping the 3.0 V reference stable, avoiding the need for a higher intermediate supply rail.
What output noise specification does the LT6657AHMS8-3#TRPBF meet and why does it matter for precision signal chains?
The LT6657AHMS8-3#TRPBF produces only 4 µV peak-to-peak noise in the 0.1 Hz to 10 Hz band, which is critical for precision weigh scales and medical instruments where low-frequency noise directly adds measurement uncertainty equivalent to several counts at 18-bit resolution. Its wideband noise of 40 nV/√Hz further limits error in fast-sampling ADC applications.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $10.4400 | $10.44 |
| 19+ | $9.9700 | $189.43 |
| 1000+ | $7.5200 | $7520.00 |
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