OPA357AIDDAG3 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments OPA357AIDDAG3 is a single-channel 250 MHz rail-to-rail input/output CMOS operational amplifier in an SC70-5 package. It delivers 80 dB CMRR, 50 fA input bias current, and runs from 2.7 V to 5 V single supply. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- OPA357AIDDAG3 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 OPA357AIDDAG3?
- 250 MHz gain-bandwidth product enabling high-speed signal conditioning in optical and communications circuits
- Rail-to-rail input and output swing on a 2.7 V to 5 V single supply for low-voltage system design
- Ultra-low 50 fA input bias current minimizing error in high-impedance sensor interfaces
- 80 dB CMRR with internal frequency compensation for stable operation without external compensation networks
What is OPA357AIDDAG3 used for?
The OPA357AIDDAG3 is used in high-speed photodiode transimpedance amplifiers, optical receiver front-ends, and active filter stages where 250 MHz bandwidth and rail-to-rail output swing are required on a single 3.3 V or 5 V supply. Its 50 fA input bias current makes it suitable for charge amplifiers, pH electrode interfaces, and picoampere-level current measurement circuits. It also serves in video signal buffering and ADC driver stages requiring low distortion at signal frequencies up to 100 MHz.
What are the specifications of OPA357AIDDAG3?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.00005 µA |
| Bias Current-Max (IIB) @25C | 0.00005 µA |
| Common-mode Reject Ratio-Min | 80dB |
| Common-mode Reject Ratio-Nom | 66dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 8000 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 150V/us |
| Supply Current-Max | 7.5mA |
| Supply Voltage Limit-Max | 5.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 250000 |
| Wideband | YES |
| Package | Small Outline Packages |
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 OPA357AIDDAG3 datasheet?
OPA357AIDDAG3 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for OPA357AIDDAG3?
Compatible alternatives and drop-in replacements for OPA357AIDDAG3:
Frequently Asked Questions
What gain-bandwidth product does the OPA357AIDDAG3 provide, and at which supply voltage?
The OPA357AIDDAG3 has a gain-bandwidth product of 250 MHz, measured on a single supply of 2.7 V to 5 V. This bandwidth supports transimpedance amplifier designs with feedback resistors up to 10 kΩ while maintaining a closed-loop bandwidth above 25 MHz, suitable for optical data link receiver front-ends.
How does the 50 fA input bias current of the OPA357AIDDAG3 compare to bipolar op-amps in sensor interfaces?
At 50 fA (0.00005 pA), the OPA357AIDDAG3 input bias current is roughly 6 orders of magnitude lower than typical bipolar op-amps that measure 100 nA to 1 µA. This means a 1 MΩ feedback resistor in a transimpedance configuration introduces less than 0.05 µV of bias-current-induced offset error, enabling accurate measurement of sub-nanoampere photodiode or pH electrode currents.
Can the OPA357AIDDAG3 drive an ADC input directly in a 3.3 V single-supply design?
Yes. The OPA357AIDDAG3 rail-to-rail output stage swings to within approximately 50 mV of each supply rail on a 3.3 V single supply, providing an effective output range of 0.05 V to 3.25 V. This covers the full input range of most 12-bit or 16-bit successive approximation ADCs powered from 3.3 V without requiring a level-shift network between the amplifier and the converter.
What packaging does the OPA357AIDDAG3 use, and how does it compare to SOT-23 for space-constrained designs?
The OPA357AIDDAG3 uses the SC70-5 package, which measures approximately 2.0 mm x 2.1 mm — about 30% smaller in board footprint than the SOT-23-5 package at 2.9 mm x 1.6 mm. This size advantage makes it suitable for wearable medical sensors, handheld instruments, and compact optical modules where component density exceeds 200 parts per 100 cm².
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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