We are working on a potential volume application for the LM13700. In the data sheet (SNOSBW2E) under ELECTRICAL CHARACTERISTICS (p. 3) it says that g(m) tracking is typically 0.3 dB. Later on in the section STEREO VOLUME CONTROL (p. 11) it says that the circuit in Figure 25 has " typical channel-to-channel gain tracking of 0.3 dB" which is consistent. Our circuit needs reasonably close tracking between the two OTAs on the chip. So question is, in practice, to what extent can we rely on that 0.3 dB figure? Does TI have any further guidance as to how much the channel-to-channel gain tracking can vary, in practice, over many chips? Thanks in advance for your help.
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