LM3S2965-IRN50-A1T ETC2 [List of Unclassifed Manufacturers], LM3S2965-IRN50-A1T Datasheet - Page 538

• Manufacturer Part Number: LM3S2965-IRN50-A1T
• Description: Microcontroller
• Manufacturer: ETC2 [List of Unclassifed Manufacturers]

Electrical Characteristics
23.2.3
538
a. The ADC must be clocked from the PLL or directly from a 14-MHz to 18-MHz clock source to operate properly.
Table 23-8. Crystal Characteristics
Analog-to-Digital Converter
Table 23-9. ADC Characteristics
a. t
f
t
f
f
f
Parameter Name
Frequency
Frequency tolerance
Aging
Oscillation mode
Temperature stability (0 - 85 °C)
Motional capacitance (typ)
Motional inductance (typ)
Equivalent series resistance (max)
Shunt capacitance (max)
Load capacitance (typ)
Drive level (typ)
Parameter
V
C
N
f
t
f
INL
DNL
OFF
GAIN
MOSC
MOSC_per
ref_crystal_bypass
ref_ext_bypass
system_clock
ADC
ADCCONV
ADCCONV
ADCIN
ADCIN
Parameter
ADC
= 1/f
ADC clock
Parameter Name
Maximum single-ended, full-scale analog input voltage
Minimum single-ended, full-scale analog input voltage
Maximum differential, full-scale analog input voltage
Minimum differential, full-scale analog input voltage
Equivalent input capacitance
Resolution
ADC internal clock frequency
Conversion time
Conversion rate
Integral nonlinearity
Differential nonlinearity
Offset
Gain
Parameter Name
Main oscillator frequency
Main oscillator period
Crystal reference using the main oscillator (PLL in BYPASS mode)
a
External clock reference (PLL in BYPASS mode)
System clock
Parallel
27.8
14.3
±50
±25
120
100
±5
10
16
8
Parallel
Preliminary
37.0
19.1
±50
±25
160
100
±5
10
16
6
Value
Parallel
55.6
28.6
±50
±25
200
100
±5
10
16
4
Parallel
63.5
32.7
±50
±25
220
100
3.5
a
±5
10
16
Min
875
14
-
-
-
-
-
-
-
-
-
-
-
Units
ppm/yr
MHz
ppm
ppm
mH
µW
pF
pF
pF
Nom
1000
Ω
10
16
1
-
-
-
-
-
-
-
-
-
1125
Max
-1.5
3.0
1.5
18
16
±1
±1
±1
±1
0
-
-
Min
125
V
V
V
V
pF
bits
MHz
t
k samples/s
LSB
LSB
LSB
LSB
1
1
0
0
ADC
Unit
cycles
Nom
-
-
-
-
-
a
November 30, 2007
1000
Max
50
50
8
8
MHz
MHz
MHz
MHz
Unit
ns