LM3S3749 Luminary Micro, Inc, LM3S3749 Datasheet - Page 696

• Manufacturer Part Number: LM3S3749
• Description: Lm3s3749 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Electrical Characteristics
24.2.3
24.2.4
24.2.5
696
Analog-to-Digital Converter
Table 24-11. ADC Characteristics
a. The ADC reference voltage is 3.0 V. This reference voltage is internally generated from the 3.3 VDDA supply by a band
b. t
Analog Comparator
Table 24-12. Analog Comparator Characteristics
Table 24-13. Analog Comparator Voltage Reference Characteristics
I
Table 24-14. I
Parameter
V
C
N
f
t
f
INL
DNL
OFF
GAIN
Parameter
Parameter
Parameter No.
2
ADC
ADCCONV
ADCCONV
ADCIN
ADCIN
C
ADC
C
gap circuit.
V
R
V
T
R
A
T
A
MRR
CM
MC
OS
RT
HR
HR
LR
LR
= 1/f
I1
I2
a
a
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
Input offset voltage
Input common mode voltage range
Common mode rejection ratio
Response time
Comparator mode change to Output Valid
Parameter Name
Resolution high range
Resolution low range
Absolute accuracy high range
Absolute accuracy low range
Parameter
2
C Characteristics
t
SCH
t
LP
Parameter Name
Start condition hold time
Clock Low period
a
Min
-
-
-
-
Preliminary
V
V
Nom
DD
DD
-
-
/32
/24
Min
50
0
Max
±1/2
±1/4
-
-
-
-
-
Nom
±10
Unit
LSB
LSB
LSB
LSB
-
-
-
-
V
Min
875
DD
Max
14
±25
10
-
-
-
-
-
-
-
-
-
-
-
1
-
-1.5
Nom
1000
10
16
1
-
-
-
-
-
-
-
-
-
Unit
mV
dB
µs
µs
V
1125
Max
-1.5
3.0
1.5
18
16
±1
±1
±1
±1
0
-
-
Min
36
36
V
V
V
V
pF
bits
MHz
t
k samples/s
LSB
LSB
LSB
LSB
ADC
Nom
Unit
-
-
cycles
b
Max
-
-
June 02, 2008
system clocks
system clocks
Unit