a circuit and method comprising a charge pump having a first and a second differential element . the charge pump may be configured to generate a first and a second output signal in response to the first and second differential elements . the first differential element may comprise a first unity gain buffer and a first and a second transistor pair configured to receive a first and second control signal . the second differential element may comprise a second unity gain buffer and a third and a fourth transistor pair configured to receive the first and second control signals . the first and second unity gain buffers may stabilize the source nodes of each of the transistors pairs .