Device Architecture
Table 2-48 • Uncalibrated Analog Channel Accuracy*
Worst-Case Industrial Conditions, TA = 85°C
Total Channel
Error (LSB)
Channel Input Offset
Error (LSB)
Channel Input Offset
Error (mV)
Channel Gain Error
(%FSR)
Analog Prescaler Neg.
Pad Range (V) Max. Med. Max. Max Med. Max.
Pos. Neg
Pos.
Neg.
Max.
Pos.
Max. Min. Typ. Max.
Med.
Positive Range
ADC in 10-Bit Mode
AV, AC
16
8
–22
–40
–45
–70
–25
–41
–53
–89
–3
–2
–5
12
17
24
33
5
–11
–11
–16
–33
–11
–12
–20
–40
–4
–2
–5
14
21
36
66
26
38
40
88
4
–169
–87
–63
–66
–11
–6
–32
–40
–43
–39
–3
224
166
144
131
26
3
2
2
2
3
3
5
7
1
1
0
0
–3
–4
–4
–4
–3
–3
–4
–5
–1
–1
4
–9
–11
–20
–3
0
2
–19
–7
0
1
–1
–1
0
0.5
0.25
0.125
16
4
–12
–14
–29
9
8
–7
–4
19
19
24
15
15
–14
–28
0
–5
–3
10
–5
–4
11
0
AT
–64
–44
5
64
0
–10
2
–11
–2
11
–8
44
0
Negative Range
ADC in 10-Bit Mode
AV, AC
16
8
–35
–65
–86
–10
–19
–28
9
–24
–34
–64
–6
9
–383
–268
–254
–230
–39
–96
–99
–96
–83
–8
148
75
76
78
15
9
5
5
–1
–1
–1
–2
–3
–4
–4
–5
–6
–5
12
21
37
8
–12
–24
9
4
19
39
15
18
40
56
5
–6
2
–136 –53
–98 –35
–115 –42
6
–7
1
–39
–54
–72
–8
10
10
14
16
–10
–11
–12
–14
0.5
0.25
0.125
–121 –46
–149 –49
–188 –67
7
–14
–16
–27
–7
19
38
–18
–4
10
7
–112 –27
–14
–3
Note: *Channel Accuracy includes prescaler and ADC accuracies. For 12-bit mode, multiply the LSB count by 4.
For 8-bit mode, divide the LSB count by 4. Gain remains the same.
2-120
Preliminary v1.7
ACTEL [ Actel Corporation ]
