M1AFS250-FGG256I Actel Corporation, M1AFS250-FGG256I Datasheet - Page 138

• Manufacturer Part Number: M1AFS250-FGG256I
• Description: Actel Fusion Family Of Mixed Signal Fpgas
• Manufacturer: Actel Corporation

Device Architecture
Table 2-47 • ADC Characteristics in Direct Input Mode
2- 12 2
Parameter
Direct Input using Analog Pad AV, AC, AT
V
C
Z
Analog Reference Voltage VAREF
VAREF
ADC Accuracy (using external reference)
DC Accuracy
TUE
INL
DNL
Notes:
1. Accuracy of the external reference is 2.56 V ± 4.6 mV.
2. Data is based on characterization.
3. The sample rate is time-shared among active analog inputs.
INADC
INADC
INADC
Commercial Temperature Range Conditions, T
Typical: VCC33A = 3.3 V, VCC = 1.5 V
Input Voltage (Direct Input)
Input Capacitance
Input Impedance
Accuracy
Temperature Drift of
Internal Reference
External Reference
Total Unadjusted Error
Integral Non-Linearity
Differential Non-Linearity
(no missing code)
Offset Error
Gain Error
Gain
reference)
Error
Description
(with
internal
Refer to
page 3-3
Channel not selected
Channel selected but not
sampling
Channel selected and
sampling
8-bit mode
10-bit mode
12-bit mode
T
8-bit mode
10-bit mode
12-bit mode
8-bit mode
10-bit mode
12-bit mode
8-bit mode
10-bit mode
12-bit mode
8-bit mode
10-bit mode
12-bit mode
8-bit mode
10-bit mode
12-bit mode
All modes
1,2
J
= 25°C
Condition
Table 3-2 on
R e visio n 1
J
= 85°C (unless noted otherwise),
2.537
2.527
Min.
0.0004
0.002
0.007
Typ.
2.56
0.20
0.32
1.71
0.20
0.60
2.40
0.01
0.05
0.20
18
65
7
8
2
2
2
2
0.29
0.72
1.8
VCC33A + 0.05
2.583
0.003
0.011
0.044
Max.
0.25
0.43
1.80
0.24
0.65
2.48
0.17
0.20
0.40
ppm / °C
% FSR
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
kΩ
kΩ
kΩ
pF
pF
pF
V
V