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BUF802 Wide-Bandwidth High-Input Impedance JFET Buffer
Texas Instruments' 2.3 nV/√Hz open-loop buffer is ideal for data acquisition systems (DAQ)
Texas Instruments' BUF802 is an open-loop, unity gain buffer with a JFET-input stage that offers low-noise, high-impedance buffering for DAQ front-ends. The buffer supports DC to 3.1 GHz of bandwidth while offering excellent distortion and noise performance across the frequency range. The BUF802 can be used in a composite loop with a precision amplifier in applications that require higher precision performance.
The BUF802 uses an innovative architecture to simplify the design of high-precision, wide-bandwidth composite loops. The adjustable quiescent current pin enables designers to trade bandwidth and distortion for a lower quiescent current, making the buffer device suitable across a wide frequency range. The BUF802 has integrated input and output clamps to protect the device and its subsequent signal chain from overdrive voltages.
Features
- Large-signal bandwidth (1 VPP): 3.1 GHz
- Slew rate: 7,000 V/μs
- Input voltage noise: 2.3 nV/√Hz
- 1% settling time: 0.7 ns
- Input-impedance: 50 GΩ || 2.4 pF
- Capable of driving a 50 Ω load
- Adjustable quiescent current for power and performance trade-off
- Integrated input and output clamp with fast overdrive recovery
- Voltage supply range: ±4.5 V to ±6.5 V
Applications
- Oscilloscope front-ends
- High-frequency DAQ
- High input-impedance and high slew rate T&M systems
- Oscilloscope encoders and front-end add-on cards
- Active probes
- Non-destructive testing (NDT)
BUF802 Wide-Bandwidth High-Input Impedance JFET Buffer
Image | Manufacturer Part Number | Descriere | Tip amplificator | Număr de circuite | Tip ieșire | Available Quantity | Vizualizare detalii | |
---|---|---|---|---|---|---|---|---|
![]() | ![]() | BUF802IRGTR | WIDE-BANDWIDTH, 2.3-NV/HZ, JFET | J-FET | 1 | Apăsare-tragere | 1640 - Immediate | Vizualizare detalii |
Evaluation Board
Image | Manufacturer Part Number | Descriere | Canale per IC | Tip amplificator | Tip ieșire | Available Quantity | Vizualizare detalii | |
---|---|---|---|---|---|---|---|---|
![]() | ![]() | BUF802RGTEVM | EVAL BOARD FOR BUF802 | Unic – 1 | Tampon | Un singur capăt | 7 - Immediate | Vizualizare detalii |
Published: 2022-03-04