afs600 Actel Corporation, afs600 Datasheet - Page 119

• Manufacturer Part Number: afs600
• Description: Actel Fusion Programmable System Chips Mixed-signal Family With Optional Arm Support
• Manufacturer: Actel Corporation

Table 2-47 • ADC Characteristics in Direct Input Mode
Parameter
All Analog Inputs
V
C
Z
VAREF
DC Accuracy (using external reference)
TUE
INL
DNL
Dynamic Accuracy (using external reference, 100 kHz Sine Wave Input, 2.38 V
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
All Values at Industrial Operating Conditions (unless noted otherwise)
Typical: V
Input Voltage (direct to ADC)
Input Capacitance
Input Impedance
Total Unadjusted Error
Integral Non-Linearity
Differential Non-Linearity
(no missing codes)
Offset Error
Gain Error
Gain Error (with internal
reference)
Reference Voltage
Description
CC33A
= 3.3 V, V
CC
= 1.5 V, and T
Refer to
Channel not selected
Channel selected but not sampling
Channel selected and sampling
8-bit mode
10-bit mode
12-bit mode
Internal reference Accuracy at 25°C
Temperature Drift of Internal
Reference
External reference
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
Table 3-2 on page
Condition
A
A d v an c ed v1 . 4
= 25°C
3-3.
Minimum
2.537
2.527
Actel Fusion Programmable System Chips
P-P
, 500 ksps, f
Typical
0.0004
0.002
0.007
2.56
0.20
0.32
1.71
0.20
0.60
2.40
0.01
0.05
0.20
2.0
18
65
0.29
7
8
2
2
2
0.72
1.80
ADCCLK
V
Maximum
CC33A
2.583
0.003
0.011
0.044
0.25
0.43
1.80
0.24
0.65
2.48
0.17
0.20
0.40
+ 0.05
= 10 MHz)
ppm/°C
%FSR
Units
2-105
kΩ
kΩ
kΩ
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
pF
pF
pF
V
V
1, 2