U1AFS600-1PQG208
| Model | U1AFS600-1PQG208 |
| Description | Field Programmable Gate Array, |
| PDF file | Total 334 pages (File size: 18M) |
| Chip Manufacturer | MICROSEMI |
Fusion Family of Mixed Signal FPGAs
Table 2-37 •
Recommended Resistor for Different Current Range Measurement
Current Range
> 5 mA – 10 mA
> 10 mA – 20 mA
> 20 mA – 50 mA
> 50 mA – 100 mA
> 100 mA – 200 mA
> 200 mA – 500 mA
> 500 mA – 1 A
>1A–2A
>2A–4A
>4A–8A
> 8 A – 12 A
Recommended Minimum Resistor Value (Ohms)
10 – 20
5 – 10
2.5 – 5
1–2
0.5 – 1
0.3 – 0.5
0.1 – 0.2
0.05 – 0.1
0.025 – 0.05
0.0125 – 0.025
0.00625 – 0.02
0 to
–10.5 V
AVx
R
SENSE
ACx
I
CMSTBx
10 X
VADC
to Analog MUX
(see Table 2-36
for MUXchannel
number)
Current Monitor
Figure 2-71 •
Negative Current Monitor
Terminology
Accuracy
The accuracy of Fusion Current Monitor is ±2 mV minimum plus 5% of the differential voltage at the
input. The input accuracy can be translated to error at the ADC output by using
The 10 V/V gain is
the gain of the Current Monitor Circuit, as described in the
For 8-
bit mode,
N
= 8,
V
AREF
= 2.56 V, zero differential voltage between AV and AC, the Error (E
ADC
) is equal to
2 LSBs.
E
ADC
=
(
2mV
+
0.05
V
AV
–
V
AC
2
-
) × (
10V
) ⁄
V
×
----------------
V
AREF
EQ 4
where
N
is the number of bits
V
AREF
is the Reference voltage
V
AV
is the voltage at AV pad
V
AC
is the voltage at AC pad
N
Revision 2
2- 91
