BUF634AIDRBT Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
The BUF634AIDRBT is a high-speed 210MHz unity-gain buffer amplifier from Texas Instruments, delivering 250mA output current with a 36V supply range in an 8-pin SOIC No-Lead package. It features 2µA maximum input bias current and is ideal for driving capacitive loads, cables, and ADC inputs. Available in tape-and-reel from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 9
- Lifecycle
- OBSOLETE
- Datasheet
- BUF634AIDRBT 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 BUF634AIDRBT?
- 210MHz -3dB bandwidth with 250mA output current capability enabling high-speed signal buffering for ADC inputs, RF test equipment, and wideband amplifier output stages
- Wide ±18V (36V total) supply voltage range with only 2µA input bias current for unity-gain buffering of precision analog signals without loading the source
- Compact 8-pin SOIC No-Lead (S-PDSO-N8) package with e4 moisture sensitivity rating introduced in 2020 for modern high-density PCB assembly
- Negative supply voltage limit of -20V enables flexible dual-supply operation suitable for audio amplifiers and test and measurement analog front ends
What is BUF634AIDRBT used for?
The BUF634AIDRBT is commonly used as an output buffer for precision op-amps and DACs where the op-amp cannot directly drive low-impedance or capacitive loads without oscillation or current limiting. Its 210MHz bandwidth and 250mA drive capability make it ideal for driving coaxial cables, ADC sample-and-hold inputs, and RF signal chain buffers in test and measurement instruments. Additional applications include audio power amplifier driver stages, active filter output buffering, and industrial signal conditioning circuits where high output current and wide bandwidth are simultaneously required.
What are the specifications of BUF634AIDRBT?
| Date Of Intro | 2020-01-18 |
| YTEOL | 0 |
| Amplifier Type | BUFFER |
| Average Bias Current-Max (IIB) | 2 µA |
| Bandwidth (3dB)-Nom | 210MHz |
| Bias Current-Max (IIB) @25C | 2 µA |
| Input Offset Voltage-Max | 60000 µV |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e4 |
| Neg Supply Voltage Limit-Max | -20 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.11,25 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Slew Rate-Nom | 3750V/us |
| Supply Current-Max | 12mA |
| Supply Voltage Limit-Max | 20V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the BUF634AIDRBT datasheet?
BUF634AIDRBT Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for BUF634AIDRBT?
Compatible alternatives and drop-in replacements for BUF634AIDRBT:
Frequently Asked Questions
Which verified parameters matter most when designing with BUF634AIDRBT?
BUF634AIDRBT is identified as a 210 MHz unity-gain buffer capable of 250 mA output with a supply span up to 36 V. Engineers should confirm these ratings and adjacent operating limits against the current manufacturer datasheet before releasing the design.
How can BUF634AIDRBT fit an engineering application?
It fits high-speed cable drivers, capacitive-load buffers, audio outputs, and ADC input drivers that need substantial current. Its 210 MHz bandwidth and 250 mA output provides a concrete selection point for evaluating electrical performance, thermal margin, and compatibility with the surrounding circuit.
Before a production purchase, what should buyers check for BUF634AIDRBT?
Procurement teams should match the complete BUF634AIDRBT order code and the 8-pin package, tape-and-reel suffix, and thermal design. They should also verify 210 MHz bandwidth and 250 mA output, lot traceability, lifecycle status, and authorized-source documentation.
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 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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
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