AD977BRS Analog Devices Integrated Circuit (Small Outline Packages) In Stock
AD977BRS is a 16-bit successive approximation ADC by Analog Devices sampling at up to 200 kSPS, accepting ±10 V analog inputs, with 8 µs maximum conversion time, serial SPI-compatible output, and a 28-pin SOIC package for precision data acquisition.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- AD977BRS 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 AD977BRS?
- 16-bit successive approximation ADC with 200 kSPS maximum sample rate
- Wide ±10 V bipolar analog input range for direct industrial signal connection
- 8 µs maximum conversion time enabling real-time control loop sampling
- Serial SPI-compatible output interface for easy microcontroller integration
- 28-pin SOIC package balancing pin count and PCB footprint for industrial designs
- Low noise performance suitable for vibration analysis and precision measurement
What is AD977BRS used for?
The AD977BRS is used in precision data acquisition systems, industrial process control, and vibration or acoustic monitoring equipment where 16-bit resolution at 200 kSPS is needed to capture fast-changing analog signals in the ±10 V range. Its serial interface simplifies connection to DSPs and microcontrollers in multi-channel measurement cards, reducing the interconnect pin count versus parallel ADCs. The device is also common in medical instrumentation front-ends and automated test equipment requiring high-accuracy, high-speed analog-to-digital conversion.
What are the specifications of AD977BRS?
| Source Url Status Check Date | 2013-05-01 14:56:32.273 |
| Pbfree Code | No |
| Manufacturer Package Code | RS-28 |
| YTEOL | 0 |
| Analog Input Voltage-Max | 10V |
| Analog Input Voltage-Min | -10 V |
| Conversion Time-Max | 8 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e0 |
| Linearity Error-Max (EL) | 0.0031% |
| 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 | SSOP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 240 |
| Qualification Status | Not Qualified |
| Sample Rate | 0.1MHz |
| Sample and Hold / Track and Hold | TRACK |
| Supply Current-Max | 35mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Lead (Sn85Pb15) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.30 |
Where can I find the AD977BRS datasheet?
AD977BRS Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for AD977BRS?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the AD977BRS accept, and why does this matter for industrial signal chains?
The AD977BRS accepts bipolar analog inputs from -10 V to +10 V, matching common industrial transmitter output ranges (4-20 mA across a 500 Ω load or ±10 V voltage outputs) directly without additional signal conditioning or attenuation resistors.
How quickly does the AD977BRS complete a single conversion, and what sample rates are achievable?
With a maximum conversion time of 8 µs, the AD977BRS supports throughput up to 200 kSPS, enabling acquisition of signals with bandwidths up to 100 kHz when paired with an anti-aliasing filter at the Nyquist limit.
For a vibration monitoring system sampling at 100 kSPS, how does the AD977BRS's 16-bit resolution improve measurement accuracy?
At 16 bits the AD977BRS provides approximately 96 dB of dynamic range and a resolution of ~305 µV over the full ±10 V input span, allowing detection of small vibration amplitudes superimposed on large DC offsets without separate gain stages or range switching.
How does the AD977BRS serial interface reduce wiring complexity in multi-channel data acquisition boards?
The SPI-compatible serial output uses only 3 to 4 signal lines (CS, CLK, DATA, and optionally BUSY) versus 16+ traces for a parallel ADC, making it practical to daisy-chain or bus multiple AD977BRS channels to a single DSP serial port on a multi-channel acquisition card.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
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.
More from Analog Devices
LT3062EDCB#TRPBF
Small Outline No-lead
Integrated Circuit
LT3062EDCB#TRMPBF
Small Outline No-lead
Integrated Circuit
LT8641IUDC#TRPBF
Other
Integrated Circuit
HMC412AMS8GTR
Small Outline Packages
Integrated Circuit
LT3062HMS8E#PBF
Small Outline Packages
Integrated Circuit
LT3062IMS8E#PBF
Small Outline Packages
Integrated Circuit
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit