Highly-linear rail-to-rail 1.2 V-0.18 µm CMOS V-I converter.
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| Title: | Highly-linear rail-to-rail 1.2 V-0.18 µm CMOS V-I converter. |
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| Authors: | Azcona, C.1, Calvo, B.1 becalvo@unizar.es, Celma, S.1, Medrano, N.1 |
| Source: | Electronics Letters (Institution of Engineering & Technology). 9/1/2011, Vol. 47 Issue 18, p1018-1019. 2p. 1 Diagram, 1 Chart, 1 Graph. |
| Subjects: | Complementary metal oxide semiconductors, Electric potential, Bandwidths, Electric power consumption, Electric resistors |
| Abstract: | Presented is a new high-performance CMOS V-I converter based on an OTA/common source amplifier configuration. To achieve rail-to-rail operation, the voltage across the linear V-I conversion resistor is reduced by means of local feedback, thereby keeping the output mirroring transistor in saturation over the entire input voltage range. Experimental results for a 1.2 V-0.18 µm CMOS design confirm rail-to-rail operation with transconductance gain errors below 2.2 % over a -40 to +120°C range, THD below -52 dB for a 100 kHz-1 Vpp input signal and bandwidth above 14 MHz with 70 µW power consumption and 100×112 µm2 active area. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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