THAT3xx - THAT

THAT3xx Low-Noise Matched Transistor Array ICs

The 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. Thi.

Features

• 4 Matched NPN Transistors º 300 typical hfe of 100 º 300A minimum hfe of 150 º 300B minimum hfe of 300
• 4 Matched PNP Transistors º 320 typical hfe of 75
• 2 Matched PNP and 2 Matched NPN Transistors º 340 PNP typical hfe of 75 º 340 NPN typical hfe of 100
• Low Voltage Noise º 0.75 nV/ √Hz (PNP) º 0.8 nV/ √Hz (NPN)
• High Speed º fT = 350 MHz (NPN) º fT = 325 MHz (PNP)
• 500 μV matching between devices
• Dielectrically Isolated for low crosstalk and high DC isolation
• 36V VCEO Low-Noise Matched Transistor Array ICs THAT 300 Series APPLICATIONS
• Low Noise Front Ends
• Microphone Preampli.