User Manual

Functional Description (Continued)
FIGURE 8. A/D Tester with Analog Error Output
TL/H/5671–19
FIGURE 9. Basic ‘‘Digital’’ A/D Tester
TABLE I. DECODING THE DIGITAL OUTPUT LEDs
OUTPUT VOLTAGE
FRACTIONAL BINARY VALUE FOR
CENTER VALUES
HEX BINARY
WITH
V
REF
/2
e
2.560 V
DC
MS GROUP LS GROUP VMS GROUP* VLS GROUP*
F 1 1 1 1 15/16 15/256 4.800 0.300
E 1 1 1 0 7/8 7/128 4.480 0.280
D 1 1 0 1 13/16 13/256 4.160 0.260
C 1 1 0 0 3/4 3/64 3.840 0.240
B 1 0 1 1 11/16 11/256 3.520 0.220
A 1 0 1 0 5/8 5/128 3.200 0.200
9 1 0 0 1 9/16 9/256 2/880 0.180
8 1 0 0 0 1/2 1/32 2/560 0.160
7 0 1 1 1 7/16 7/256 2.240 0.140
6 0 1 1 0 3/8 3/128 1.920 0.120
5 0 1 0 1 5/16 2/256 1.600 0.100
4 0 1 0 0 1/4 1/64 1/280 0.080
3 0 0 1 1 3/16 3/256 0.960 0.060
2 0 0 1 0 1/8 1/128 0.640 0.040
1 0 0 0 1 1/16 1/256 0.320 0.020
00000 00
*Display Output
e
VMS Group
a
VLS Group
20