AD977AARSZ Analog Devices Integrated Circuit (Small Outline Packages) In Stock
AD977AARSZ is a 16-bit successive approximation ADC from Analog Devices in a 28-pin SSOP package with ±10 V analog input range and 4 µs max conversion time. It communicates via a serial interface, delivering 0.0046% max linearity error for precision measurement applications. Available in stock worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- AD977AARSZ 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
Key Features
- 16-bit resolution successive approximation ADC with ±10 V analog input range and 4 µs maximum conversion time
- Serial interface output in a compact 28-pin SSOP package for space-constrained precision measurement designs
- 0.0046% maximum linearity error ensuring high accuracy in data acquisition and industrial instrumentation systems
Applications
The AD977AARSZ is well suited for precision data acquisition systems, industrial process control, and instrumentation that require 16-bit resolution across a wide ±10 V input range. Its 4 µs conversion time and serial interface make it compatible with microcontroller-based designs that demand fast, accurate analog-to-digital conversion in compact board layouts.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | RS-28 |
| YTEOL | 3 |
| Analog Input Voltage-Max | 10V |
| Analog Input Voltage-Min | -10 V |
| Conversion Time-Max | 4 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.0046% |
| Number of Analog In Channels | 3 |
| Number of Bits | 16 |
| Number of Functions | 1 |
| Output Bit Code | BINARY, 2S COMPLEMENT BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 0.2MHz |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the AD977AARSZ's 4 µs conversion time affect throughput in a multi-channel data acquisition system?
At 4 µs maximum conversion time, the AD977AARSZ supports up to 250 kSPS in continuous conversion mode. In a multi-channel system using an external multiplexer, total throughput per channel decreases proportionally with the number of channels, but the 16-bit resolution is maintained at each sample, making it suitable for vibration analysis and high-speed industrial monitoring with 8 or more channels.
What analog input voltage range does the AD977AARSZ support, and what input protection should designers consider?
The AD977AARSZ accepts analog inputs from -10 V to +10 V, covering a 20 V full-scale range ideal for industrial sensors and transducers. Designers should add series resistors and clamping diodes at the input to protect against overvoltage transients beyond the ±10 V rails, particularly in factory automation environments where electrostatic discharge or wiring errors can exceed the rated limits.
When is the AD977AARSZ a better fit than a 12-bit ADC for industrial sensor digitization?
The AD977AARSZ is preferred when signal chains require resolving small variations on top of a large common-mode level, such as pressure or load cell outputs spanning the full ±10 V range with 0.0046% linearity error. A 12-bit ADC provides only 4096 steps over the same range, while 16-bit resolution yields 65536 steps, enabling detection of signal changes as small as 305 µV at full scale.
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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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