THS4521IDGKR

THS4521IDGKR is the tape-and-reel VSSOP-8 ordering code for the Texas Instruments THS4521 fully differential amplifier, orderable on the TI part-details page for this exact code with the DGK variant listed ACTIVE. It provides a 145 MHz bandwidth at unity gain, a 490 V/µs slew rate, an input voltage noise of 4.6 nV/√Hz at 100 kHz, an open-loop gain of 119 dB, and a quiescent current of 1.14 mA per channel, running from supplies of 2.5 V to 5.5 V single or ±1.25 V to ±2.75 V dual, over -40 °C to +85 °C. The selection point is driving differential ADC inputs from single-ended sources: the output common-mode pin sets the ADC-side level while the rail-to-rail output stage preserves swing on a 3.3 V or 5 V rail, at a current drain low enough for multichannel data-acquisition front ends. Selection advice: second-harmonic performance in the datasheet is quoted into a 1 kΩ load at 10 kHz - recheck the distortion budget at your actual ADC input impedance and sampling rate rather than designing from the headline bandwidth alone. Parameters verified against the TI THS4521 product page and datasheet SBOS458 (part-details ordering information and electrical characteristics).