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Home    Integrated Circuits   Linear IC's   Transistor arrays  THAT300BS14, Low Noise Transistor Array, matched, SO14
THAT300BS14, Low Noise Transistor Array, matched, SO14

THAT300BS14, Low Noise Transistor Array, matched, SO14

4 Matched NPN Transistors on a single, large geometry substrate
  • 300 type typical hfe of 100
  • 300A type minimum hfe of 150
  • 300B type minimum hfe of 300

Low Voltage Noise
  • 0.8 nV/ √Hz

High Speed
  • fT = 350 MHz

Parameter matching
  • 500 μV matching between devices

  • Dielectrically Isolated from each other for low crosstalk
  • High DC isolation to the grounded substrate

Voltage rate
  • 36V Vce

€ 9.59

Article code: THAT300BS14

THAT 300, 320 and 340 are large geometry, 4-transistor, monolithic NPN and/or PNP arrays. They exhibit both high speed and low noise, with excellent parameter matching between transistors of the same gender.

Typical base-spreading resistance is 25 Ω for the PNP devices (30 Ω for the low-gain NPNs), so their resulting voltage noise is under 1 nV/√Hz. This makes the 300 series ideally suited for low-noise amplifier input stages, log amplifiers, and many other applications.

The four-NPN transistor array is available in versions selected for Hfe with minimums of 150 (300A) or 300 (300B).

Fabricated in a dielectrically isolated, complementary bipolar process, each transistor is electrically insulated from the others by a layer of insulating oxide (not the reverse-biased PN junctions used in conventional arrays). As a result, they exhibit inter-device crosstalk and DC isolation similar to that of discrete transistors. The resulting low collector-to-substrate capacitance produces a typical NPN fT of 350 MHz (325 MHz for the PNPs).

Substrate biasing is not required for normal operation, though the substrate should be ac-grounded to optimize speed and minimize crosstalk.