1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 62008 KS C IEC 62008:2013 2013 1 22 http:/www.kats.go.krKS C IEC 62008:2013 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2013 1 22 2013-0035 ： ： ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 62008:2013 i ii . iii 1 1 2 1 3 , , .1 4 .3 4.
2、1 3 4.2 ADM .3 4.3 4 4.4 .7 5 18 5.1 .18 5.2 18 5.3 .19 6 .19 6.1 API( ) .19 6.2 .19 6.3 .20 7 .20 A( ) DAQ .21 B( ) B(see 4.4.1.2) 23 C( ) ADM 32 36 KS C IEC 62008:2013 37 KS C IEC 62008:2013 ii . , , . , , . KS C IEC 62008:2013 iii 2005 1 IEC 62008, Performance characteristics and calibration meth
3、ods for digital data acquisition systems and relevant software , . KS C IEC 62008:2013 Performance characteristics and calibration methods for digital data acquisition systems and relevant software 1 DAQ . . DAQ ADM( - ) DAQ ADM (DAQ ) DAQ ADM ( : , , , , , , , ) . 2 . . ( ) . KS C IEC 60748 4:2004,
4、 4： KS Q ISO/IEC 17025, IEC 60748 4-3, Semiconductor devices Integrated circuits Part 4-3： Interface integrated circuitsDynamic criteria for analogue-to-digital converters(ADC) BIPM, IEC, IFCC, ISO, IUPAC, IUPAP, OIML, Guide to the Expression of Uncertainty in Measurement (GUM) 3 , , 3.1 . KS C IEC
5、62008:2013 2 3.1.1 ADM( - ) DAQ 3.1.2 API( ) . DAQ API . 3.1.3 (code transition level) ADM . 50 % , 50 % . Tk k 1 k . 3.1.4 DAQ( ) DAQ ( PC, PC, PCI, ) . , . DAQ , (counter-timer) . DAQ ADM . 3.1.5 (midstep value) , . 3.1.6 (nominal midstep value) 3.1.7 (rated operating conditions) 3.1.8 (step) 3.1.
6、9 (step width) KS C IEC 62008:2013 3 3.2 ADM Analogue to digital module( ) API Application program interface( ) CMRR Common mode rejection ratio( ) DAQ Data acquisition device( ) DIFF Differential( ) DNL Differential non-linearity( ) ENOB Effective number of bits( ) FS Full scale( ) INL Integral non
7、-linearity( ) LSB Least significant bit( ) NRSE Non-referenced single ended PC Personal computer( ) RSE Referenced single ended( ) SINAD Signal to noise and distortion( ) SFDR Spurious free dynamic range( ) VFSFull scale( ) VFSnomNominal full scale range( ) VFSRPractical full scale range( ) VZZero(
8、) VZSZero scale( ) 4 4.1 DAQ ADM . ADM . ADM . DAQ . DAQ ADM . 4.2 DAQ ADM . 4.2 ADM . ADM . KS C IEC 62008:2013 4 .1) (CMRR) (INL) (DNL) . SINAD(signal-to-noise and distortion ratio, ) ENOB(effective number of bits, ) SFDR(spurious free dynamic range) THD(total harmonic distortion, ) SNHR(signal to
9、 non-harmonic ratio, ) 4.3 . 4.3.1 ADM 4.3.2 ADM . . RSE(referenced single ended)： RSE DAQ . NRSE(non-referenced single ended)： NRSE DAQ . . DIFF(differential)： DIFF DAQ . DIFF ADM ADM . DIFF ADM , . 1) IEC 60748 4-3 . KS C IEC 62008:2013 5 4.3.3 . (volt) (KS C IEC 60748 4 2 , 2.1.18 ). C.1 C.2 VFSn
10、om . 4.3.4 ADM . DAQ . (volt) . 4.3.5 (KS C IEC 60748 4 2 , 2.2.1 ) 1 (n) (KS C IEC 607484 2 , 2.2.2 ). 2 (Q) (KS C IEC 60748 4 2 , 2.2.3 ). 4.3.6 . . 4.3.7 (0) . % (KS C IEC 60748 4 2 , 2.2.5.3 ). 4.3.8 ( C.3 ). ADM (KS C IEC 60748 4 2 , 2.2.5.2 ). ADM 0 1 . 3.1.3 . 4.3.9 CMRR( ) ADM ADM ( ) (decib
11、el) . 4.3.10 ADM . ADM KS C IEC 62008:2013 6 , ( ) . 4.3.11 % . ADM . 4.3.12 (INL) (0) . . INL LSB . 4.3.13 (DNL) . DNL LSB . 4.3.14 ADM . . (volt) . 4.3.15 ADM ( ) ADM . , ( ), DC . , , (jitter) . ADM . 1 DC 4.4.7 , . 2 SINAD ENOB . 4.3.16 ADM . ( ) . ADM . 4.3.17 ADM . % FSR . 4.3.18 SINAD( ) , AD
12、M r.m.s. ADM KS C IEC 62008:2013 7 r.m.s. (IEC 60748 4-3 3.4 ) SINAD . 4.3.19 . , . r.m.s. r.m.s. , dB . . 4.3.20 ADM . 3 dB . Hz . 4.3.21 ENOB( ) ADM . ADM ADM (lEC 60748 4-3 3.6 ). . 4.3.22 SFDR(Spurious Free Dynamic Range) , r.m.s. (對 ) r.m.s. (dB ) 4.3.23 THD(Total Harmonic Distortion, ) , . dBp
13、 dB re 10-12W . 4.3.24 SNHR(Signal to Non Harmonic Ratio, ) (dB ) 4.4 4.4.1 ADM , , , INL DNL ADM . ADM . ADM . ADM ( IEC 60748 4-3 ). ADM ADM KS C IEC 62008:2013 8 . 4.4.1.1 ( A) DC ADM . DC (P) 2 . ADM (T1) . M . 1 . M/2 2 P , ( 1 50 %) . ADM . k , 50 % 2 P . 50 % . . Tk 1 Tk . . . (M) . 1 , ( 0 )
14、 3 . P 1/8 LSB . 1/4 LSB . . ADM . 1 M ( %) 256 23 % 1 024 12 % 4 096 6 % Q/2 P(Q ADM ) . 2 n 1 M ( n ), r.m.s. ( M ) . 4.4.1.2 ( B) DC 2 . (Cj) KS C IEC 62008:2013 9 ( 1). (slew rate) (quasi-static) . 4.4.1.1 . DC . . ADM . . . ( B ) . ADM ( ) . ADM . Ns Cj, j 0, 1, ., Ns 1 ( 1). 2 . . Ns ADM A M R
15、 . M fs f . f . sfMJf = J M . , M J ( 1), J . M 2 J . Cj Ns . CHjk . k k . 3(5 ADM, 4 ) . B . KS C IEC 62008:2013 10 1 ADM j . += 112MRkCHACkTjjj k 1, 2, , (2n 1) j 0, 1, , (Ns 1) Ns (Tk) . Ns (bin) ( 3). (peak) . k j jkk . . Tk Tjkkk k 1, 2, , (2n 1) , . Wk Tk 1 Tk k 1, 2, , (2n 1) KS C IEC 62008:2
16、013 11 2 3 (5 ADM 4 ) . A j Cj M j 0 Cj T1 s/2 M R CHjk (bin) += 112MRkCHACkTjjj (jNs)? Ns (main loop)j j 1 Cj Cj s 0 1 2 3KS C IEC 62008:2013 12 f. . a) (A) A . . j . (NL) ( ) . Bi n ADM A . maxANLQBAi= Q： ADM 12112=nnTTQ . = 2)2ln(42QBViOD Bi ： (LSB) . ： . +=2,22minAAmaxAAODrreAreVVA “min” Amax . Bi . eA rA
