AD7278AUJZ-RL7 Analog Devices Integrated Circuit (SOT23 (6-Pin)) In Stock
Analog Devices AD7278AUJZ-RL7 is an 8-bit successive approximation ADC with a single-channel input and SPI-compatible serial interface in a 6-pin SOT-23 package. It operates from a 2.35 V to 3.6 V supply with a maximum conversion time of 0.208 µs. Available in 7" reel tape-and-reel packaging for automated assembly with worldwide in-stock availability.
- Manufacturer
- Analog Devices
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- OBSOLETE
- Datasheet
- AD7278AUJZ-RL7 Datasheet PDF
- Category
- Integrated Circuit
- 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 AD7278AUJZ-RL7?
- 8-bit successive approximation ADC with 0.208 µs maximum conversion time for fast single-channel analog-to-digital conversion
- Ultra-compact 6-pin SOT-23 package enables space-constrained designs operating from 2.35 V to 3.6 V supply rail
- SPI-compatible serial interface with 3-wire connection simplifies integration with low-power microcontrollers and DSPs
What is AD7278AUJZ-RL7 used for?
The AD7278AUJZ-RL7 is well-suited for portable battery-powered instruments, industrial sensor interfaces, and embedded monitoring systems requiring compact 8-bit analog-to-digital conversion. Its tiny SOT-23 footprint and low supply voltage of 2.35 V to 3.6 V make it ideal for IoT edge nodes and wearable device designs where board space and power consumption are critical constraints. It also performs well in data acquisition systems requiring fast 0.208 µs conversions with minimal external components.
What are the specifications of AD7278AUJZ-RL7?
| Source Url Status Check Date | 2013-05-01 14:56:17.354 |
| YTEOL | 0 |
| Analog Input Voltage-Max | 3.6V |
| Conversion Time-Max | 0.208 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | R-PDSO-G6 |
| Linearity Error-Max (EL) | 0.0781% |
| Number of Analog In Channels | 1 |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Bit Code | BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Qualification Status | Not Qualified |
| Sample Rate | 3MHz |
| Sample and Hold / Track and Hold | TRACK |
| Supply Current-Max | 5.5mA |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.30 |
Where can I find the AD7278AUJZ-RL7 datasheet?
AD7278AUJZ-RL7 Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for AD7278AUJZ-RL7?
Compatible alternatives and drop-in replacements for AD7278AUJZ-RL7:
ADC, Successive Approximation, 8-Bit, 1 Func, 1 Channel, Serial Access, PDSO6
Frequently Asked Questions
How fast can the AD7278AUJZ-RL7 perform analog-to-digital conversions and what resolution does it provide?
The AD7278AUJZ-RL7 delivers 8-bit resolution with a maximum conversion time of 0.208 µs, enabling throughput rates that satisfy the needs of most low-to-medium speed sensing applications. This successive approximation architecture provides linear conversion accuracy with a maximum linearity error of 0.0781%, making it suitable for precision monitoring tasks in industrial and consumer designs.
What supply voltage range does the AD7278AUJZ-RL7 support, and how does it fit low-power 3.3 V system designs?
The AD7278AUJZ-RL7 operates from a 2.35 V to 3.6 V supply, making it directly compatible with 3.3 V microcontroller systems without level shifting. Its low supply voltage requirement and compact 6-pin SOT-23 package make it an excellent choice for battery-powered IoT sensors and portable instruments where minimizing supply current at 3.3 V is a priority.
Which interface protocol does the AD7278AUJZ-RL7 use and how many pins does the package have?
The AD7278AUJZ-RL7 uses a 3-wire SPI-compatible serial interface for communication, requiring only clock, data, and chip-select lines from the host MCU. The device comes in a 6-pin SOT-23 surface-mount package, keeping the total PCB footprint extremely compact at under 3 mm × 3 mm, which is ideal for space-constrained embedded designs.
When should a designer choose the AD7278AUJZ-RL7 over an ADC with more channels or higher bit depth?
The AD7278AUJZ-RL7 is the right choice when a design requires only 1 analog input channel and 8-bit resolution, as its minimal pin count and small SOT-23 package reduce BOM cost and board area compared to 10-bit or 12-bit multi-channel ADCs. For applications like temperature monitoring, battery level sensing, or simple signal digitization operating below 3.6 V, this device offers the optimal cost-per-channel value with conversion speeds of 0.208 µs maximum.
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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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