The AD9712B and AD9713B D/A converters are replacements for the AD9712 and AD9713 units which offer improved ac and dc performance. Like their predecessors, they are 12-bit, high speed digital-to-analog converters fabricated in an advanced oxide isolated bipolar process. The AD9712B is an ECL compatible device featuring update rates of 100 MSPS mini mum; the TTL-compatible AD9713B will update at 80 MSPS minimum.