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Data sheet
THS4541
- Fully differential amplifier (FDA) architecture
- Bandwidth: 500MHz (G = 2V/V)
- Gain bandwidth product: 850MHz
- Slew rate: 1500V/µs
- HD2: –95dBc at 10MHz (2VPP, RL = 500Ω)
- HD3: –90dBc at 10MHz (2VPP, RL = 500Ω)
- Input voltage noise: 2.2nV/√Hz (f > 100kHz)
- Low offset drift: ±0.5µV/°C (typical)
- Negative rail input (NRI)
- Rail-to-rail output (RRO)
- Robust operation for Rload ≥ 50Ω
- Output common-mode control
- Power supply:
- Single-supply voltage range: 2.7V to 5.4V
- Split-supply voltage range: ±1.35V to ±2.7V
- Quiescent current: 10.1mA (5V supply)
- Power-down capability: 2µA (typical)
The THS4541 is a low-power, voltage-feedback, fully differential amplifier (FDA) with an input common-mode range below the negative rail, and rail-to-rail output. The THS4541 is designed for low-power data acquisition systems where high density is critical in a high-performance analog-to-digital converter (ADC) or digital-to-analog converter (DAC) interface design.
The THS4541 features the negative-rail input required when interfacing a dc-coupled, ground-centered, source signal. This negative-rail input, with rail-to-rail output, allows for easy interface between single-ended, ground-referenced, bipolar signal sources and a wide variety of successive approximation register (SAR), delta-sigma (ΔΣ), or pipeline ADCs using only a single 2.7V to 5.4V power supply.
The THS4541 is characterized for operation over the wide temperature range of –40°C to +125°C and is available in 16-pin VQFN and 10-pin WQFN packages.
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Evaluation board
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Reference designs
TIDA-00294 — Dallas Logic Corp high performance active interface for high-speed ADCs reference design
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VQFN (RGT) | 16 | Ultra Librarian |
| WQFN (RUN) | 10 | Ultra Librarian |
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