M1AFS600-PQ208 Datasheet, PDF (139/334 Pages) Microsemi Corporation – Fusion Family of Mixed Signal FPGAs

Fusion Family of Mixed Signal FPGAs
Table 2-50 • ADC Characteristics in Direct Input Mode
Commercial Temperature Range Conditions, T_J = 85°C (unless noted otherwise),
Typical: VCC33A = 3.3 V, VCC = 1.5 V
Parameter
Description
Condition
Min. Typ.
Max.
Units
Direct Input using Analog Pad AV, AC, AT
VINADC
Input Voltage (Direct Input) Refer to Table 3-2 on
page 3-3
CINADC Input Capacitance
Channel not selected
7
pF
Channel selected but not
8
pF
sampling
Channel selected and
18
pF
sampling
ZINADC Input Impedance
8-bit mode
2
k
10-bit mode
2
k
12-bit mode
2
k
Analog Reference Voltage VAREF
VAREF
Accuracy
Temperature Drift of
Internal Reference
T_J = 25°C
2.537 2.56
65
2.583
V
ppm / °C
External Reference
ADC Accuracy (using external reference) ^1,2
2.527
VCC33A + 0.05 V
DC Accuracy
TUE
Total Unadjusted Error
8-bit mode
0.29
LSB
10-bit mode
0.72
LSB
12-bit mode
1.8
LSB
INL
Integral Non-Linearity
8-bit mode
0.20
0.25
LSB
10-bit mode
0.32
0.43
LSB
12-bit mode
1.71
1.80
LSB
DNL
Differential Non-Linearity
(no missing code)
8-bit mode
0.20
0.24
LSB
10-bit mode
0.60
0.65
LSB
12-bit mode
2.40
2.48
LSB
Offset Error
8-bit mode
0.01
0.17
LSB
10-bit mode
0.05
0.20
LSB
12-bit mode
0.20
0.40
LSB
Gain Error
8-bit mode
0.0004
0.003
LSB
10-bit mode
0.002
0.011
LSB
12-bit mode
0.007
0.044
LSB
Gain Error (with internal All modes
reference)
2
% FSR
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.
Revision 4
2- 123