MOSFET Array Provides Matched-Channel Pairs

-- Test & Measurement World, 7/12/2005 11:40:00 AM

Current sources and voltage amplifiers that need matched sets of P-channel and N-channel MOSFETs can use the ALD1105 from Advanced Linear Devices. Available in 14-pin DIP or SOIC packages, the ALD1105 contains one matched pair of P-channnel MOSFETs and one matched pair of N-channel MOSFETs.

The device has an input impedance of 10¹³ ohms and a DC current gain of 10⁹. Each transistor pair is matched for minimum offset voltage and differential thermal response.

Primary applications include precision signal switching and amplifying in +1-V to +12-V systems where you need low input bias current, low input capacitance, and fast switching speed. The ALD1105 can be configured in complementary pairs to create a dual CMOS analog switch.

Pricing starts at $1.00 in quantities of 1000 pieces. www.aldinc.com

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