--- 產(chǎn)品詳情 ---
Architecture | FET / CMOS Input, Voltage FB |
Number of channels (#) | 1 |
Total supply voltage (Min) (+5V=5, +/-5V=10) | 10 |
Total supply voltage (Max) (+5V=5, +/-5V=10) | 32 |
GBW (Typ) (MHz) | 210 |
BW @ Acl (MHz) | 325 |
Acl, min spec gain (V/V) | 1 |
Slew rate (Typ) (V/us) | 1000 |
Vn at flatband (Typ) (nV/rtHz) | 7 |
Vn at 1 kHz (Typ) (nV/rtHz) | 7 |
Iq per channel (Typ) (mA) | 11.5 |
Vos (offset voltage @ 25 C) (Max) (mV) | 0.5 |
Rail-to-rail | No |
Rating | Catalog |
Operating temperature range (C) | -40 to 85 |
CMRR (Typ) (dB) | 95 |
Input bias current (Max) (pA) | 100 |
Offset drift (Typ) (uV/C) | 2.5 |
Output current (Typ) (mA) | 95 |
2nd harmonic (dBc) | 76 |
3rd harmonic (dBc) | 94 |
Frequency of harmonic distortion measurement (MHz) | 5 |
- High Bandwidth:
- 325 MHz in Unity Gain
- 210 MHz Gain Bandwidth Product
- High Slew Rate:
- 900 V/μs (G = 2)
- 1000 V/μs (G = 5)
- Low Distortion of –76 dB, SFDR at 5 MHz
- Maximum Input Bias Current: 100 pA
- Input Voltage Noise: 7 nV/√Hz
- Maximum Input Offset Voltage: 500 μV at 25°C
- Low Offset Drift: 2.5 μV/°C
- Input Impedance: 109 || 3.9 pF
- Wide Supply Range: ± 5 V to ± 15 V
- High Output Current: 95 mA
The THS4631 is a high-speed, FET-input operational amplifier designed for applications requiring wideband operation, high-input impedance, and high-power supply voltages. By providing a 210-MHz gain bandwidth product, ±15-V supply operation, and 100-pA input bias current, the THS4631 is capable of simultaneous wideband transimpedance gain and large output signal swing. The fast 1000 V/μs slew rate allows for fast settling times and good harmonic distortion at high frequencies. Low current and voltage noise allow amplification of extremely low-level input signals while still maintaining a large signal-to-noise ratio.
The characteristics of the THS4631 make it ideally suited for use as a wideband photodiode amplifier. Photodiode output current is a prime candidate for transimpedance amplification as shown below. Other potential applications include test and measurement systems requiring high-input impedance, ADC and DAC buffering, high-speed integration, and active filtering.
The THS4631 is offered in an 8-pin SOIC (D), and the 8-pin SOIC (DDA) and MSOP (DGN) with PowerPAD? package.
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