AD8677AUJZ-R2 Analog Devices Integrated Circuit (SOT23 (5-Pin)) In Stock
The AD8677AUJZ-R2 is a precision voltage-feedback operational amplifier from Analog Devices, featuring a maximum input offset voltage of 130 µV and 120 dB minimum CMRR. It operates from a 3 V to 36 V supply in a compact 5-pin SOT-23 package, ideal for high-accuracy signal conditioning.
- Manufacturer
- Analog Devices
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- AD8677AUJZ-R2 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 AD8677AUJZ-R2?
- Maximum 130 µV input offset voltage and 1 µV/°C drift ensure sub-millivolt measurement accuracy over temperature
- 120 dB minimum common-mode rejection ratio (CMRR) suppresses noise and ground shifts in instrumentation front ends
- 1 nA maximum bias current prevents loading errors when interfacing with high-impedance sensors or resistor bridges
- Wide 3 V to 36 V supply range in a 5-pin SOT-23 package enables precision use in both battery-powered and industrial 24 V systems
What is AD8677AUJZ-R2 used for?
The AD8677AUJZ-R2 is suited for precision strain-gauge bridges, thermocouple amplifiers, and medical-grade sensor interfaces where the 130 µV maximum offset and 120 dB CMRR maintain measurement accuracy below 0.1% full-scale across the industrial temperature range. Its 1 nA bias current and SOT-23 package also make it a natural choice for portable pH meters, precision current sources, and ADC input buffers in handheld scientific instruments.
What are the specifications of AD8677AUJZ-R2?
| Pbfree Code | No |
| Manufacturer Package Code | UJ-5 |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.001 µA |
| Bias Current-Max (IIB) @25C | 0.001 µA |
| Common-mode Reject Ratio-Min | 120dB |
| Common-mode Reject Ratio-Nom | 127dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 350 µV |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | YES |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.2V/us |
| Supply Current-Max | 1.8mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 600 |
| Voltage Gain-Min | 1000000 |
| Wideband | NO |
| ## AD8677AUJZ-R2 Alternates Showing results | Image |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the AD8677AUJZ-R2 datasheet?
AD8677AUJZ-R2 Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for AD8677AUJZ-R2?
Compatible alternatives and drop-in replacements for AD8677AUJZ-R2:
Rochester Electronics LLC OP-AMP, 350 uV OFFSET-MAX, 0.6 MHz BAND WIDTH, PDSO5, LEAD FREE, MO-193AB, TSOT, 5 PIN
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Frequently Asked Questions
What is the maximum input offset voltage of the AD8677AUJZ-R2, and how does it affect measurement accuracy?
The AD8677AUJZ-R2 guarantees a maximum input offset voltage of 130 µV at 25°C, which translates to less than 0.013% full-scale error on a 1 V input range. Combined with a drift of 1 µV/°C, the total offset over a 100°C industrial temperature span remains below 230 µV, making it suitable for 12-bit and 14-bit ADC front ends without manual calibration.
How does the 120 dB CMRR of the AD8677AUJZ-R2 benefit a differential sensor measurement circuit?
A CMRR of 120 dB means the AD8677AUJZ-R2 attenuates common-mode interference by a factor of one million, so a 1 V mains-frequency noise signal common to both inputs appears as only 1 µV of error at the output. This level of rejection is essential in strain-gauge bridges, 4-wire RTD amplifiers, and industrial 4–20 mA receiver circuits where ground potential differences of hundreds of millivolts are common.
What supply voltage does the AD8677AUJZ-R2 require, and can it run from a single 5 V rail?
The AD8677AUJZ-R2 operates from a total supply of 3 V to 36 V, which covers single 5 V, dual ±5 V, dual ±12 V, and 24 V single-supply configurations. On a single 5 V rail the input common-mode range and output swing allow direct connection to ratiometric sensors and resistor bridges without a negative rail, simplifying power-supply design in battery-operated instruments.
For a high-impedance pH electrode amplifier, why is the AD8677AUJZ-R2 input bias current specification critical?
A pH electrode presents source impedances of 10 MΩ to 1 GΩ, so the amplifier's 1 nA maximum bias current creates at most 1 mV of offset error across a 1 MΩ source—far less than the electrode's own chemical noise. Higher-bias-current op-amps with 100 nA or more would introduce 100 mV errors that render the pH reading meaningless, so the AD8677AUJZ-R2's 0.001 µA specification is essential for accurate pH measurement.
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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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