advantest corporation TR5821, Operation Manual

Page: 90 / 109

(1 ) P e fo r m a n c e
O u t p u t v o lta g e : 0 .9 9 9 V fu ll-scale
N u m b e r o f d ig its c o n v e r te d : 3 d ig its
C o n v e rs io n a c c u ra c y : ± 0 .2 % o f fu ll-sc a le ( a t 2 3 ° G ± 5 ° C )
( t e m p e r a t u r e c o e f f ic ie n t 1 5 0 p p m /° C )
O u tp u t im p e d a n c e : 1 k f t
C o n v e rs io n s p e e d : 1 m s o r less
O u t p u t f o r m a t : B in d in g p o s t
(2 ) O p e r a tio n m e t h o d
F o llo w in g e x p la n a tio n is g iv en in C H E C K m o d e w ith a g a te tim e o f 10
m s.
D /A c o n v e rs io n o f th e 3 le a s t s ig n if ic a n t d ig its o f C H E C K d is p la y 1 0 .0 0 0
M H z c a n b e p e r f o r m e d w ith th e c o n v e r s io n r e s o lu tio n o f 1 k H z (= 1 0 3 )
b y s e ttin g th e e x p o n e n t p a r t t o 3 .
0 [E X P l 3 |D A C | [E X E l
O ,------- 1 kH z
D isp la y t H O O O
v u u u / u U u U
8-2. D/A CONVERTER (with TR1644)
These 3 digits are D /A converted.
T o a d d a n o f fs e t ( f o r e x a m p le , 5 0 0 ) to th is ,
5 0 0 |E X P l 3 [D A C l [EX E]
D isp la y
I }~1
CT
}~
I _I L_J I _I
I I — I — I U U
These 3 digits are D /A converted.
T h e g e n e ra l f o r m a t o f th e a b o v e is,
O ffs e t 1 E X P 1 L S D o f th e 3 d ig its t o b e c o n v e r te d |D A C l jE X E 1
8 digits 1 digit
N o te s : 0 D o n o t in c lu d e a d e c im a l p o in t in th e o f f s e t s e c tio n .
(2) S p e c ify th e L S D p o s itio n w ith [E X P l.
I f n o te s 0 a n d (2 )a re n o t o b s e r v e d , a n e r r o r m essag e E 21 o r 2 2
w ill o c c u r .
8-5