THS3491IRGTR Integrated Circuit Chip
900MHz, 500mA, High-Power Output Current Feedback Amplifier in VQFN16 Package
Product Overview
The THS3491IRGTR provides exceptional performance for applications requiring the lowest distortion at high output power levels from DC through frequencies greater than 100 MHz at 100-Ω loads. This current feedback design maintains near constant bandwidth and distortion over a wide range of gains, although specified at a gain of 5 V/V.
Technical Specifications
| Parameter | Value |
|---|
| Amplifier Type | Current Feedback |
| Number of Circuits | 1 |
| Slew Rate | 8000V/µs |
| Gain Bandwidth Product | 900 MHz |
| Voltage - Input Offset | 1 mV |
| Current - Supply | 16.8mA |
| Current - Output / Channel | 620 mA |
| Voltage - Supply Span (Min) | 14 V |
| Voltage - Supply Span (Max) | 32 V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-VFQFN Exposed Pad |
| Supplier Device Package | 16-VQFN (3x3) |
Key Features
- Bandwidth: 900 MHz (VO = 2 VPP, AV = 5 V/V), 320 MHz (VO = 10 VPP, AV = 5 V/V)
- Slew rate: 8000 V/µs (VO = 20 VPP)
- Input voltage noise: 1.7 nV/√ Hz
- Bipolar supply range: ±7 V to ±16 V
- Single-supply range: 14 V to 32 V
- Output swing: 28 VPP (±16-V supplies, 100-Ω load)
- Linear output current: ±420 mA (typical)
- 16.8-mA trimmed supply current (low temperature coefficient)
- HD2 and HD3: less than -75 dBc (50 MHz, VO = 10 VPP, 100-Ω load)
- Rise and fall time: 1.3 ns (10-V step)
- Overshoot: 1.5% (10-V step, AV = 5 V/V)
- Current limit and thermal shutdown protection
- Power down feature
Applications
- High-voltage, arbitrary waveform generators
- Pattern generators for LCD testers
- Output drivers for LCR meters
- Power FET drivers
- High capacitive load piezo element drivers
- VDSL line drivers
- Pin-compatible upgrade to THS3095 (DDA)
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Frequently Asked Questions
Are your products original?
Yes, all products are original, new original import is our purpose.
Which Certificates do you have?
We are ISO 9001:2015 Certified Company and member of ERAI.
Can you support small quantity order or sample? Is the sample free?
Yes, we support sample orders and small orders. Sample cost varies according to your order or project requirements.
How to ship my order? Is it safe?
We use express carriers such as DHL, FedEx, UPS, TNT, and EMS. We can also use your suggested forwarder. Products are securely packaged to ensure safety, and we are responsible for any damage to your order.
What about the lead time?
We can ship stock parts within 5 working days. For items not in stock, we will confirm the lead time based on your order quantity.
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