NOISE ANALYSIS FOR HIGH SPEED OP AMPS APPLICATION BULLETIN Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111 Telex: 066-6491 FAX (520) 889-1510 Product Info: (800) 548-6132 Internet: www.burr-brown.com/ FAXLine: (800) 548-6133 NOISE ANALYSIS FOR HIGH SPEED OP AMPS by Michael Steffes As system bandwidths have increased, an accurate estimate of the noise contribution for each element in the signal channel has become increasingly important. Many designers are not, however, particularly comfortable with the calculations required to predict the total noise for an op amp, or in the conversions between the different descriptions of noise. Considerable inconsistency between manufacturers in describing noise and, in some cases, incomplete specifications,……