AD7391ARUZ-REEL Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The AD7391ARUZ-REEL is a 10-bit single-channel digital-to-analog converter from Analog Devices with a serial SPI input interface in an 8-pin TSSOP package. It achieves 0.1953% maximum linearity error and accepts binary-coded input, making it suited for precision control and waveform generation in compact embedded signal processing systems.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- AD7391ARUZ-REEL Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of AD7391ARUZ-REEL?
- 10-bit resolution DAC providing 1024 output steps for precise analog control signal generation
- Serial SPI interface enabling direct connection to microcontrollers with minimal pin count
- Low maximum linearity error of 0.1953% (approximately 2 LSB) for accurate voltage output reproduction
- Compact 8-pin TSSOP package (R-PDSO-G8) minimizing PCB footprint in space-constrained designs
- RoHS-compliant (Pb-free, JESD-609 e3) meeting global environmental compliance requirements
What is AD7391ARUZ-REEL used for?
The AD7391ARUZ-REEL is used in industrial process control systems where a microcontroller needs to generate precise 10-bit analog voltage references for valve drivers, motor controllers, or sensor bias circuits. It is also employed in portable instrumentation and medical devices that require a low-pin-count SPI DAC to set gain, offset, or threshold levels in analog front-end circuits. The TSSOP-8 form factor and tape-and-reel packaging make it suitable for high-volume automated PCB assembly in consumer and industrial product lines.
What are the specifications of AD7391ARUZ-REEL?
| Pbfree Code | Yes |
| YTEOL | 0 |
| 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) | 0.1953% |
| Number of Bits | 10 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Settling Time-Nom (tstl) | 70 µs |
| Supply Current-Max | 0.1mA |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.40 |
Where can I find the AD7391ARUZ-REEL datasheet?
AD7391ARUZ-REEL Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for AD7391ARUZ-REEL?
Compatible alternatives and drop-in replacements for AD7391ARUZ-REEL:
Frequently Asked Questions
What resolution and voltage output accuracy does the AD7391ARUZ-REEL provide for analog control applications?
The AD7391ARUZ-REEL provides 10-bit resolution, dividing the full-scale output range into 1024 discrete steps. The maximum integral nonlinearity error is 0.1953% of full scale (approximately 2 LSBs), giving designers confidence in output accuracy for analog set-point control, threshold setting, and reference generation in embedded systems.
How does the serial SPI interface of the AD7391ARUZ-REEL integrate with common microcontrollers in embedded designs?
The AD7391ARUZ-REEL uses a standard 3-wire SPI serial interface (SDI, SCLK, CS) that connects directly to the SPI peripheral of virtually any microcontroller or DSP without additional level-shifting when operating at compatible voltages. Each DAC update requires a 16-bit serial write, enabling fast output updates at SPI clock rates supported by the device.
For a battery-powered portable instrument, what are the supply voltage and current consumption characteristics of the AD7391ARUZ-REEL?
The AD7391ARUZ-REEL is specified for single-supply operation, with a typical supply range that supports both 3.3 V and 5 V systems. Its low quiescent current consumption, typically in the range of 1 mA to 2 mA, makes it suitable for battery-operated portable instruments and wearable devices where power budget is a primary design constraint.
When does a 10-bit DAC like the AD7391ARUZ-REEL offer a cost advantage over a 12-bit or 16-bit alternative?
A 10-bit DAC provides 1024 output levels, sufficient for applications requiring control resolution of about 0.1% of full scale, such as LED brightness adjustment, audio volume control, or motor speed reference where finer than 0.1% increments do not improve system performance. Choosing the 10-bit AD7391ARUZ-REEL over a 12-bit or 16-bit DAC reduces unit cost and simplifies firmware since the 16-bit SPI data word is shorter and requires fewer clock cycles per update.
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Why Buy from FindMyChip
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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