An analog signal output circuit having a first number of analog signal output channels (100, 100') and at least one diagnostic circuit (130, 130'), wherein - each analog signal output channel (100, 100') is adapted, in response to an acquired input signal, to output an analog output signal at one analog signal output of a second number of analog signal outputs (201, 202, 201', 202'); - each analog signal output channel (100; 100') accommodates two analog signal output circuits (110, 120; 110', 120') and at least one first connection selector device (115, 125); - each analog signal output circuit (110, 120, 110', 120') has a first connection device (111, 121) and a second connection device (112, 122); - each of the analog signal output circuits (110, 120, 110', 120') of an analog signal output channel (100, 100') is connectable, sequentially in time, with its first connection device (111, 121) to the same analog signal output of the second number of analog signal outputs (201, 202; 201', 202') for outputting an analog output signal, and both analog signal output circuits (110, 120; 110', 120') of an analog signal output channel (100, 100') are adapted, in response to acquired, mutually corresponding input signals that are applied at their second connection devices (112, 122), to output mutually corresponding output signals; - for each analog signal output channel (100, 100'), for the acquiring of the input signal and for the outputting of the analog output signal in response to the acquired input signal at one analog signal output of the second number of analog signal outputs, a respective one of the two accommodated analog signal output circuits is alternately selected, for a predeterminable period of time, to not be connected with its first connection device to this analog signal output for outputting this analog output signal, but rather to be used for test and/or diagnostic purposes, and the respective other one of the two accommodated analog signal output circuits (110, 120; 110', 120') is selected for this predeterminable period of time to be connected with its first connection device to this analog signal output for outputting this analog output signal, and, in response to the input signal acquired at its second connection device, to output the output signal of the analog signal output channel as the output signal, and wherein for this purpose, in response to the selection, the first connection selector device (115, 125) is adapted to connect the respective first connection device (111, 121) of the two accommodated analog signal output circuits (110, 120; 110', 120') to at least either this analog signal output to be connected or to the diagnostic circuit; wherein each analog signal output channel has a second connection selector device that is adapted to connect the second connection devices (112, 122), in correspondingly selected manner in coordination with the first connection selector device (115, 125), to a processing device intended for previous processing of input signals of the analog signal output channel, or to the diagnostic circuit. - each analog signal output channel (100, 100') is adapted, in response to an acquired input signal, to output an analog output signal at one analog signal output of a second number of analog signal outputs (201, 202, 201', 202'); - each analog signal output channel (100; 100') accommodates two analog signal output circuits (110, 120; 110', 120') and at least one first connection selector device (115, 125); - each analog signal output circuit (110, 120, 110', 120') has a first connection device (111, 121) and a second connection device (112, 122); - each of the analog signal output circuits (110, 120, 110', 120') of an analog signal output channel (100, 100') is connectable, sequentially in time, with its first connection device (111, 121) to the same analog signal output of the second number of analog signal outputs (201, 202; 201', 202') for outputting an analog output signal, and both analog signal output circuits (110, 120; 110', 120') of an analog signal output channel (100, 100') are adapted, in response to acquired, mutually corresponding input signals that are applied at their second connection devices (112, 122), to output mutually corresponding output signals; - for each analog signal output channel (100, 100'), for the acquiring of the input signal and for the outputting of the analog output signal in response to the acquired input signal at one analog signal output of the second number of analog signal outputs, a respective one of the two accommodated analog signal output circuits is alternately selected, for a predeterminable period of time, to not be connected with its first connection device to this analog signal output for outputting this analog output signal, but rather to be used for test and/or diagnostic purposes, and the respective other one of the two accommodated analog signal output circuits (110, 120; 110', 120') is selected for this predeterminable period of time to be connected with its first connection device to this analog signal output for outputting this analog output signal, and, in response to the input signal acquired at its second connection device, to output the output signal of the analog signal output channel as the output signal, and wherein for this purpose, in response to the selection, the first connection selector device (115, 125) is adapted to connect the respective first connection device (111, 121) of the two accommodated analog signal output circuits (110, 120; 110', 120') to at least either this analog signal output to be connected or to the diagnostic circuit; wherein