KR870008442A - 16-bit high speed A / D converter - Google Patents

16-bit high speed A / D converter Download PDF

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Publication number
KR870008442A
KR870008442A KR1019860000979A KR860000979A KR870008442A KR 870008442 A KR870008442 A KR 870008442A KR 1019860000979 A KR1019860000979 A KR 1019860000979A KR 860000979 A KR860000979 A KR 860000979A KR 870008442 A KR870008442 A KR 870008442A
Authority
KR
South Korea
Prior art keywords
bit
converter
difference comparison
comparison register
signal
Prior art date
Application number
KR1019860000979A
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Korean (ko)
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KR880002500B1 (en
Inventor
서정훈
Original Assignee
삼성전자 주식회사
정재은
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 삼성전자 주식회사, 정재은 filed Critical 삼성전자 주식회사
Priority to KR1019860000979A priority Critical patent/KR880002500B1/en
Publication of KR870008442A publication Critical patent/KR870008442A/en
Application granted granted Critical
Publication of KR880002500B1 publication Critical patent/KR880002500B1/en

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

내용 없음No content

Description

16비트용 고속 A/D 콘버터16-bit high speed A / D converter

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 본 발명에 따른 회로도.1 is a circuit diagram according to the present invention.

제 2 도는 제 1 도에 있어서 각 부분 입출력 파형도.2 is a partial input and output waveform diagram of FIG.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1…샘플링부 2…8비트용 A/D 콘버터One… Sampling section 2... 8-bit A / D Converter

3,5…래취부 4…16비트용 D/A 콘버터3,5... Latch 4. 16-bit D / A converter

6…비교기 7…8비트용 축차비교 래지스터6... . Comparator 7. Sequential comparison register for 8-bit

8…인버터8… inverter

Claims (1)

입력된 아날로그 신호를 표본화하여 8비트용 A/D콘버터(2)에 입력하는 샘플링부(1)와,A sampling unit 1 for sampling the input analog signal and inputting it to the 8-bit A / D converter 2; 상기 샘플링부(1)에서 입력된 아날로그 신호를 표본화된 신호를 8비트 디지탈 신호로 콘버터하는 8비트용 A/D콘버터(2)와,An 8-bit A / D converter 2 for converting an analog signal input from the sampling unit 1 into an 8-bit digital signal; 샘플링된 아날로그 그 값을 추적하여 이 값의 하위 8비트 값을 8클럭동안 결정하는 8비트용 축차비교 레지스터(7)와,A 8-bit difference comparison register (7) that tracks the sampled analog value and determines the lower 8-bit value of this value for 8 clocks, 상기한 8비트용 A/D 콘버터(2)에서 출력된 디지탈 값을 래취하는 래취부(3)와,A latch unit 3 for latching the digital value output from the 8-bit A / D converter 2; 상기의 래취부(3)와 출력된 상위 8비트 디지탈 신호와 8비트용 축차비교 레지스터(7)에서 출력된 하위 8비트 디지탈 신호를 입력으로 하여 아날로그 신호를 출력하는 16비트용 D/A콘버터(4)와,A 16-bit D / A converter that outputs an analog signal by inputting the upper 8-bit digital signal outputted from the latch section 3 and the lower 8-bit digital signal output from the 8-bit difference comparison register 7. 4) with, 샘플링부(1)에서 출력된 아날로그 값과 16비트용 D/A 콘버터(4)에서 출력된 아날로그 값을 비교 판단하여 8비트용 축차 비교 레지스터(7)의 데이터 입력단자 (DA)에 인가하는 비교기(6)와,A comparator for comparing and comparing the analog value output from the sampling unit 1 with the analog value output from the 16-bit D / A converter 4 and applying it to the data input terminal DA of the 8-bit difference comparison register 7. 6, 8비트용 축차비교 레지스터(7)의 스타트단자(S)와 비교단자(Qcc)에서 출력된 신호를 반전시켜 샘플링부(1)의 콘트롤단자C4)에 콘트롤신호를 인가하는 인버터(8)와,An inverter 8 which inverts the signal output from the start terminal S and the comparison terminal Qcc of the 8-bit difference comparison register 7 and applies a control signal to the control terminal C 4 of the sampling unit 1; , 8비트용 축차비교 레지스터(7)에서 출력된 디지탈 값을 래취하는 래취부(5)등을 포함하여 이루어지는 것을 특징으로 하는 16비트용 고속 A/D 콘버터.A 16-bit high-speed A / D converter comprising a latch unit (5) for latching a digital value output from an 8-bit difference comparison register (7). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860000979A 1986-02-12 1986-02-12 High speed a/d converter for 16bit KR880002500B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860000979A KR880002500B1 (en) 1986-02-12 1986-02-12 High speed a/d converter for 16bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860000979A KR880002500B1 (en) 1986-02-12 1986-02-12 High speed a/d converter for 16bit

Publications (2)

Publication Number Publication Date
KR870008442A true KR870008442A (en) 1987-09-26
KR880002500B1 KR880002500B1 (en) 1988-11-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860000979A KR880002500B1 (en) 1986-02-12 1986-02-12 High speed a/d converter for 16bit

Country Status (1)

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KR (1) KR880002500B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4839139B2 (en) * 2006-06-21 2011-12-21 オンセミコンダクター・トレーディング・リミテッド AD / DA conversion combined use device

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Publication number Publication date
KR880002500B1 (en) 1988-11-19

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