LTC2640ITS8-LM12#TRMPBF Analog Devices Integrated Circuit (SOT23 (8-Pin)) In Stock
Analog Devices LTC2640ITS8-LM12#TRMPBF is a 12-bit SPI digital-to-analog converter operating from 2.7 V to 5.5 V supply in a compact 8-pin TSOT-23 package. It delivers 0.061% max linearity error with internal reference for precision analog output up to 2.5 V. Available from stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- SOT23 (8-Pin)
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Category
- Integrated Circuit
- Price
- From $2.4750(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
- 12-bit resolution with 0.061% max linearity error for precision analog voltage output in control and instrumentation systems
- Wide 2.7 V to 5.5 V supply range supports both 3.3 V and 5 V system rails without level translation
- Internal reference option simplifies design by eliminating external voltage reference components
- Compact 8-pin TSOT-23 package (2.9 mm × 1.6 mm) minimizes PCB footprint for space-constrained designs
Applications
The LTC2640ITS8-LM12#TRMPBF is used in precision analog control applications including programmable power supplies, sensor calibration, and industrial process control where 12-bit DAC resolution is required on a single SPI interface. Its 2.7 V to 5.5 V supply range makes it suitable for battery-powered instrumentation, wearable sensors, and portable medical devices where supply voltage varies with state of charge. The compact TSOT-23 package and internal reference enable single-chip DAC solutions in space-constrained embedded systems with 3.3 V or 5 V microcontroller interfaces.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1637 |
| YTEOL | 10 |
| Analog Output Voltage-Max | 2.5V |
| Converter Type | D/A CONVERTER |
| Input Bit Code | BINARY |
| Input Format | SERIAL |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.061% |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Settling Time-Nom (tstl) | 4.1 µs |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (8-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What resolution and interface does the LTC2640ITS8-LM12#TRMPBF DAC use?
The LTC2640ITS8-LM12#TRMPBF provides 12-bit resolution over a serial SPI interface with binary-coded input format. This gives 4096 discrete output levels across the output voltage range of 0 V to 2.5 V, yielding a step size of approximately 0.61 mV per LSB, which is suitable for precision control loops and analog set-point generation in industrial instruments.
What is the linearity error specification of the LTC2640ITS8-LM12#TRMPBF and why does it matter?
The LTC2640ITS8-LM12#TRMPBF specifies a maximum integral nonlinearity (INL) of 0.061%, which corresponds to approximately ±2.5 LSB error at 12-bit resolution. For precision analog output in sensor calibration or closed-loop control, low INL ensures the DAC output accurately tracks the digital code across the full 0 V to 2.5 V range without cumulative step-size errors degrading system accuracy.
How does the 2.7 V to 5.5 V supply range of the LTC2640ITS8-LM12#TRMPBF benefit battery-operated designs?
The 2.7 V to 5.5 V supply range allows the LTC2640ITS8-LM12#TRMPBF to operate across a LiPo cell's full discharge curve from 4.2 V down to 2.7 V without a boost converter. In portable and wearable devices, this eliminates the need for a regulated 3.3 V rail solely for the DAC, reducing BOM cost and quiescent power draw in battery-powered data loggers and field instruments.
When is the LTC2640ITS8-LM12#TRMPBF a better choice than a 10-bit SPI DAC for an analog control application?
In analog control applications requiring output voltage accuracy below 2 mV on a 2.5 V scale, the 12-bit LTC2640 provides 0.61 mV per LSB versus approximately 2.4 mV per LSB for a 10-bit DAC — a 4× improvement in resolution. For PID controllers managing temperatures to ±0.5°C or pressure regulators targeting ±0.1% accuracy, this extra 2 bits reduces quantization error enough to eliminate the need for gain-scaling stages in the analog output path.
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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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