BUF634U
Texas Instruments · 8-SOIC (D)
BUF634U is a Texas Instruments part in the High-speed op amps (GBW ≥ 50 MHz) category (8-SOIC (D)). 250-mA high-speed buffer - see BUF634A for upgraded version
In stockNRND
Manufacturer-site status, not our inventory.
Get price & lead timeDatasheet (manufacturer)
- Brand
- Texas Instruments
- Manufacturer-site stock
- In stock
- Category
- High-speed op amps (GBW ≥ 50 MHz)
- Package
- 8-SOIC (D)
- Manufacturer L/T
- 26 weeks
- MOQ
- 1
- SPQ
- 75
- RoHS
- Yes
- HS code
- 854233
- Checked
- Last change on manufacturer site
Stock, price and recent changes
Log in to view stock, price and recent changes
Buyer questions
Can ChipRadar source BUF634U?
Manufacturer-site stock is a dated snapshot, not our inventory. Send the quantity and required date; ChipRadar checks sourcing options and replies with price, lead time and D/C.
What is the lead time for BUF634U?
The manufacturer site lists a lead time of 26 weeks for BUF634U; confirm the current lead time with a quote.
How can I check BUF634U before I pay?
Ask for photos of the reel or tray labels and the D/C range with your quote. The scope of checks is agreed for each order.
What is the MOQ and packaging for BUF634U?
Manufacturer MOQ: 1 pc; SPQ: 75 pcs. Smaller sample quantities on request.
Is there a drop-in replacement for BUF634U?
Cross references listed in our catalogue: BUF634AIDR. Confirm pin-compatibility with the datasheet before substituting.
Alternatives and cross references
All alternatives for BUF634U →
Same series · BUF634
Incoming check
Marking, package, packing and compliance values are manufacturer-published data.
Documents & labels
- RoHS: Yes
- REACH (TI declaration): no SVHC above 0.1% and no Annex XVII restricted substance above its allowed limit. TI's definitions
Packing & moisture
- Standard pack quantity (SPQ): 75, packing: TUBE
- Moisture sensitivity: MSL 3 (manufacturer datasheet)
Visual & marking
- Manufacturer marking: BUF634U (manufacturer datasheet)
- Lead finish: NIPDAU (manufacturer datasheet)
Package & dimensions
- Package: 8-SOIC (D), 8 pins
- Package drawing (manufacturer PDF) →
- Alert Manufacturer lifecycle: obsolete, last time buy or not recommended for new designs. Send an inquiry; lead time and source are confirmed in the quotation.
- Note Moisture sensitivity MSL 3: floor life after opening is 168 hours (≤30 °C / 60% RH); bake if exceeded.
BUF634 family parameters
Parameters as published by the manufacturer. Values can differ by P/N — check the datasheet.
Show all parameters (29)
Swipe sideways for more.
| Parameter | Value |
|---|---|
| 2nd harmonic | 75 dBc |
| 3rd harmonic | 83 dBc |
| Acl, min spec gain | 1 V/V |
| Architecture | Open Loop/Buffer |
| BW at Acl | 180 MHz |
| Features | Adjustable BW/IQ/IOUT |
| Frequency of harmonic distortion measurement | 1 MHz |
| GBW (typ) | 180 MHz |
| Input bias current (typ) | 5 µA |
| Input bias current (max) | 20 µA |
| Iout (typ) | 250 mA |
| Iq per channel (typ) | 15 mA |
| Iq per channel (max) | 20 mA |
| Number of channels | 1 |
| Offset drift (typ) | 0.0001 V/°C |
| Operating temperature range | −40 to 125 °C |
| Package area | 29.4 / 45.212 / 154.8384 mm² |
| Package size (L x W) | 10.16 x 15.24 / 10.16 x 4.45 / 4.9 x 6 mm |
| Package type | SOIC / TO-220 / TO-263 |
| Pin count | 5 / 8 |
| Rail-to-rail | No |
| Rating | Catalog |
| Slew rate (typ) | 2000 V/µs |
| TI package name | D / KC / KTT |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) | 5 V |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) | 36 V |
| Vn at 1 kHz | 4 nV/√Hz |
| Vn at flatband (typ) | 4 nV/√Hz |
| Vos (offset voltage at 25°C) (max) | 100 mV |
About BUF634U
BUF634U is an orderable part number (P/N) from Texas Instruments, in the BUF634 family. Package: 8-SOIC (D). Category: High-speed op amps (GBW ≥ 50 MHz). Other P/N in the BUF634 family: 5. Lifecycle status on the manufacturer site: NRND. Listed alternatives: BUF634AIDR.
Get a quote for BUF634U
No account needed. Send the P/N and quantity; we check sourcing before quoting.