LVDS driver for small supply voltages
First Claim
1. LVDS driver for producing a differential output signal at driver outputs, having a pull-up transistor and a pull-down transistor, respectively, for switching the output voltages which are output at the outputs, where the pull-up and pull-down transistors are in the form of PMOS transistors, wherein the LVDS driver has an input driver which outputs control signals for controlling the pull-up and pull-down transistors, whose maximum amplitude is limited to a value which is just above the turn-on threshold voltage of the PMOS transistors.
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Accused Products
Abstract
The invention relates to an LVDS driver for small supply voltages, particularly of less than 2.0 V, for producing a differential output signal (Pout, Nout), having a pull-up transistor (P3, P4) and a pull-down transistor (P1, P2), respectively, for switching the output voltages which are output at the outputs (Pout, Nout). An optimum switching response and hence an undistorted differential signal can be produced by virtue of the pull-up and pull-down transistors (P1-P4) being in the form of PMOS transistors.
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10 Claims
- 1. LVDS driver for producing a differential output signal at driver outputs, having a pull-up transistor and a pull-down transistor, respectively, for switching the output voltages which are output at the outputs, where the pull-up and pull-down transistors are in the form of PMOS transistors, wherein the LVDS driver has an input driver which outputs control signals for controlling the pull-up and pull-down transistors, whose maximum amplitude is limited to a value which is just above the turn-on threshold voltage of the PMOS transistors.
Specification