0
ACTIVE
Architecture |
FET / CMOS Input, Voltage FB |
Number of channels |
1 |
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) |
10 |
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) |
32 |
GBW (typ) (MHz) |
210 |
BW at Acl (MHz) |
325 |
Acl, min spec gain (V/V) |
1 |
Slew rate (typ) (V/µs) |
1000 |
Vn at flatband (typ) (nV√Hz) |
7 |
Vn at 1 kHz (typ) (nV√Hz) |
7 |
Iq per channel (typ) (mA) |
11.5 |
Vos (offset voltage at 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) (µV/°C) |
2.5 |
Iout (typ) (mA) |
95 |
2nd harmonic (dBc) |
76 |
3rd harmonic (dBc) |
94 |
Frequency of harmonic distortion measurement (MHz) |
5 |
HSOIC (DDA)-8-29.4 mm² 4.9 x 6
The THS4631 is a high-speed, FET-input op amp designed for applications requiring wideband operation, high-input impedance, and high-power supply voltages. By providing a 210MHz gain bandwidth product, ±15V supply operation, and 100pA input bias current, the THS4631 is capable of simultaneous wideband transimpedance gain and large output signal swing. The fast 1000V/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.
These high-performance characteristics make the THS4631 an excellent choice for use as a wideband photodiode amplifier. Photodiode output current is a prime candidate for transimpedance amplification. 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 a 8-pin SOIC (D) package, and 8-pin HSOIC (DDA) and HVSSOP (DGN) with PowerPAD™ integrated-circuit packages.
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