I want to use a combo of line receiver (THAT12xx) plus line driver (THAT 1646) to achieve high precision gain of 6dB to drive a 10k:10k input transformer. (I am aware that a step-up transformer is the best solution.)
Browsing the datasheets, I can discern a different periphery for the THAT1200 and better CMR results with the 1200 when hit with 'unwanted' deviations in input impedance. Should not be a huge problem here cos my output resistors are all meticulously matched, stil...
Also, the 124x's can be configured for positive gains, which is kind of neat. So a combo of THAT1246 + THAT1646 can yield +12dB. That's more than I need though.
Anyway, is there any other reasons than better potentially CMR why to prefer the 120x over the 124x?
Browsing the datasheets, I can discern a different periphery for the THAT1200 and better CMR results with the 1200 when hit with 'unwanted' deviations in input impedance. Should not be a huge problem here cos my output resistors are all meticulously matched, stil...
Also, the 124x's can be configured for positive gains, which is kind of neat. So a combo of THAT1246 + THAT1646 can yield +12dB. That's more than I need though.
Anyway, is there any other reasons than better potentially CMR why to prefer the 120x over the 124x?