A 10-b 50 MS/s 500-mW A/D Converter Using a Differential-Voltage Subconverter

Takahiro MIKI; Hiroyuki KOUNO; Toshio KUMAMOTO; Yasushi KINOSHITA; Takayuki IGARASHI; Keisuke OKADA

A 10-b 50 MS/s 500-mW A/D Converter Using a Differential-Voltage Subconverter

Takahiro MIKI, Hiroyuki KOUNO, Toshio KUMAMOTO, Yasushi KINOSHITA, Takayuki IGARASHI, Keisuke OKADA

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A BiCMOS A/D converter using a "differential voltage subconverter," which directly converts a voltage difference of complementary analog inputs to a digital code, is described. Fully differential architecture has advantages in immunity of common-mode error and in reduction of supply voltage. This differential-voltage subconverter realizes the fully differential A/D conversion without using interpolation technique. This subconverter is free from CR delay caused in the ladder resistors. Circuit techniques for high-accuracy conversion with single 5-V power supply, such as compensation technique for VBE modulation in emitter degeneration amplifier, are also described. A 10-b A/D converter is fabricated in a 0.8-µm BiCMOS process with f_T of 9 GHz. It successfully operates at 50 MS/s with 500-mW power consumption and with 5-V single supply.

Publication: IEICE TRANSACTIONS on Electronics Vol.E77-C No.5 pp.846-852

Publication Date: 1994/05/25

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Type of Manuscript: Special Section PAPER (Special Section on the 1993 VLSI Circuits Symposium (Joint Issue with the IEEE Journal of Solid-State Circuits, Vol.29, No.4 April 1994))

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Takahiro MIKI
Hiroyuki KOUNO
Toshio KUMAMOTO
Yasushi KINOSHITA
Takayuki IGARASHI
Keisuke OKADA

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Takahiro MIKI, Hiroyuki KOUNO, Toshio KUMAMOTO, Yasushi KINOSHITA, Takayuki IGARASHI, Keisuke OKADA, "A 10-b 50 MS/s 500-mW A/D Converter Using a Differential-Voltage Subconverter" in IEICE TRANSACTIONS on Electronics, vol. E77-C, no. 5, pp. 846-852, May 1994, doi: .
Abstract: A BiCMOS A/D converter using a "differential voltage subconverter," which directly converts a voltage difference of complementary analog inputs to a digital code, is described. Fully differential architecture has advantages in immunity of common-mode error and in reduction of supply voltage. This differential-voltage subconverter realizes the fully differential A/D conversion without using interpolation technique. This subconverter is free from CR delay caused in the ladder resistors. Circuit techniques for high-accuracy conversion with single 5-V power supply, such as compensation technique for VBE modulation in emitter degeneration amplifier, are also described. A 10-b A/D converter is fabricated in a 0.8-µm BiCMOS process with f_T of 9 GHz. It successfully operates at 50 MS/s with 500-mW power consumption and with 5-V single supply.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/e77-c_5_846/_p

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@ARTICLE{e77-c_5_846,
author={Takahiro MIKI, Hiroyuki KOUNO, Toshio KUMAMOTO, Yasushi KINOSHITA, Takayuki IGARASHI, Keisuke OKADA, },
journal={IEICE TRANSACTIONS on Electronics},
title={A 10-b 50 MS/s 500-mW A/D Converter Using a Differential-Voltage Subconverter},
year={1994},
volume={E77-C},
number={5},
pages={846-852},
abstract={A BiCMOS A/D converter using a "differential voltage subconverter," which directly converts a voltage difference of complementary analog inputs to a digital code, is described. Fully differential architecture has advantages in immunity of common-mode error and in reduction of supply voltage. This differential-voltage subconverter realizes the fully differential A/D conversion without using interpolation technique. This subconverter is free from CR delay caused in the ladder resistors. Circuit techniques for high-accuracy conversion with single 5-V power supply, such as compensation technique for VBE modulation in emitter degeneration amplifier, are also described. A 10-b A/D converter is fabricated in a 0.8-µm BiCMOS process with f_T of 9 GHz. It successfully operates at 50 MS/s with 500-mW power consumption and with 5-V single supply.},
keywords={},
doi={},
ISSN={},
month={May},}

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TY - JOUR
TI - A 10-b 50 MS/s 500-mW A/D Converter Using a Differential-Voltage Subconverter
T2 - IEICE TRANSACTIONS on Electronics
SP - 846
EP - 852
AU - Takahiro MIKI
AU - Hiroyuki KOUNO
AU - Toshio KUMAMOTO
AU - Yasushi KINOSHITA
AU - Takayuki IGARASHI
AU - Keisuke OKADA
PY - 1994
DO -
JO - IEICE TRANSACTIONS on Electronics
SN -
VL - E77-C
IS - 5
JA - IEICE TRANSACTIONS on Electronics
Y1 - May 1994
AB - A BiCMOS A/D converter using a "differential voltage subconverter," which directly converts a voltage difference of complementary analog inputs to a digital code, is described. Fully differential architecture has advantages in immunity of common-mode error and in reduction of supply voltage. This differential-voltage subconverter realizes the fully differential A/D conversion without using interpolation technique. This subconverter is free from CR delay caused in the ladder resistors. Circuit techniques for high-accuracy conversion with single 5-V power supply, such as compensation technique for VBE modulation in emitter degeneration amplifier, are also described. A 10-b A/D converter is fabricated in a 0.8-µm BiCMOS process with f_T of 9 GHz. It successfully operates at 50 MS/s with 500-mW power consumption and with 5-V single supply.
ER -