A digital to analog converter (200, 400), DAC, that converts a multi-bit digital input signal into an analog output signal at an output terminal, the DAC comprising: a first sub-DAC configured to receive a first portion of the bits of the multi-bit input signal, and convert the first portion of the bits into a first output signal; a second sub-DAC configured to receive a second portion of the bits of the multi-bit input signal, and convert the second portion of the bits into a second output signal; wherein the first and second sub-DACs are coupled with the output terminal, so that the first and second output signals both contribute to the analog output signal; and an amplifier having an inverting input terminal, a non-inverting input terminal, and an output terminal, wherein the non-inverting input terminal is coupled to receive a reference voltage (V ref), the inverting input terminal is coupled to receive the first and second output signals, and the output terminal of the amplifier is the output terminal of the DAC and is coupled with the inverting input terminal by way of a feedback resistor (R FB); a bridge switch connected between the first sub-DAC and the second sub-DAC, wherein the first output signal is coupled to the inverting terminal of the amplifier through the bridge switch when the bridge switch is switched on; wherein the second sub-DAC comprises a plurality of branches coupled in parallel, each branch including two resistors (216, 218) and at least one switch, wherein one of the two resistors is coupled between the at least one switch and a low reference voltage (V L), and the other of the two resistors is coupled between the at least one switch and a high reference voltage (V H); wherein the at least one switch is configured to couple one of a high reference voltage or a low reference voltage to the inverting input terminal of the amplifier through one of the two resistors; and wherein a resistance of the feedback resistor (R FB) is 2R/2 M, where 2R is a resistance of each of the two resistors, and M equals a number of bits provided to the second sub-DAC. a first sub-DAC configured to receive a first portion of the bits of the multi-bit input signal, and convert the first portion of the bits into a first output signal; a second sub-DAC configured to receive a second portion of the bits of the multi-bit input signal, and convert the second portion of the bits into a second output signal; wherein the first and second sub-DACs are coupled with the output terminal, so that the first and second output signals both contribute to the analog output signal; and an amplifier having an inverting input terminal, a non-inverting input terminal, and an output terminal, wherein the non-inverting input terminal is coupled to receive a reference voltage (V ref), the inverting input terminal is coupled to receive the first and second output signals, and the output terminal of the amplifier is the output terminal of the DAC and is coupled with the inverting input terminal by way of a feedback resistor (R FB); a bridge switch connected between the first sub-DAC and the second sub-DAC, wherein the first output signal is coupled to the inverting terminal of the amplifier through the bridge switch when the bridge switch is switched on; wherein the second sub-DAC comprises a plurality of branches coupled in parallel, each branch including two resistors (216, 218) and at least one switch, wherein one of the two resistors is coupled between the at least one switch and a low reference voltage (V L), and the other of the two resistors is coupled between the at least one switch and a high reference voltage (V H); wherein the at least one switch is configured to couple one of a high reference voltage or a low reference voltage to the inverting input terminal of the amplifier through one of the two resistors; and wherein a resistance of the feedback resistor (R FB) is 2R/2 M, where 2R is a resistance of each of the two resistors, and M equals a number of bits provided to the second sub-DAC.