function outData = TCtoDec(inData)

inData = uint32(inData);

Vref = 2.5;
LSB = Vref / (2^23 - 1)
ind = find(inData > hex2dec('7FFFFF'))

inData(ind) = bitcmp(inData(ind))
inData(ind) = bitand(hex2dec('00FFFFFF'), inData(ind))
outData(ind) = -1 * (inData(ind) + 1)

outData = double( LSB * double(inData))