ADC0804LCWMX Datasheet, PDF (28/48 Pages) Texas Instruments – 8-Bit muP Compatible A/D Converters

ADC0801, ADC0802
ADC0803, ADC0804, ADC0805
SNOSBI1B – NOVEMBER 2009 – REVISED FEBRUARY 2013
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Figure 54. A/D Tester with Analog Error Output
Figure 55. Basic “Digital” A/D Tester
Table 2. Decoding the Digital Output LEDs
HEX
BINARY
FRACTIONAL BINARY VALUE FOR
MS GROUP
LS GROUP
F
1111
15/16
15/256
E
1110
7/8
7/128
D
1101
13/16
13/256
C
1100
3/4
3/64
B
1011
11/16
11/256
A
1010
5/8
5/128
9
1001
9/16
9/256
8
1 0 0 0 1/2
1/32
7
0111
7/16
7/256
6
0110
3/8
3/128
5
0101
5/16
2/256
4
0100
1/4
1/64
3
0011
163
3/256
2
0010
1/8
1/128
1
0001
1/16
1/256
0
0000
OUTPUT VOLTAGE CENTER VALUES
WITH V_REF/2=2.560 V_DC
VMS GROUP⁽¹⁾
VLS GROUP⁽¹⁾
4.800
0.300
4.480
0.280
4.160
0.260
3.840
0.240
3.520
0.220
3.200
0.200
2.880
0.180
2.560
0.160
2.240
0.140
1.920
0.120
1.600
0.100
1.280
0.080
0.960
0.060
0.640
0.040
0.320
0.020
0
0
(1) Display Output=VMS Group + VLS Group
28
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