Texas Instruments Development Kit for TM4C129x,Tiva™ ARM® Cortex™ -M4 Microcontroller DK-TM4C129X DK-TM4C129X Datenbogen
Produktcode
DK-TM4C129X
Table 32-45. ADC Electrical Characteristics for ADC at 2 Msps (continued)
Unit
Max
Nom
Min
Parameter Name
Parameter
SAMPLING DYNAMICS
MHz
-
32
-
ADC conversion clock frequency
k
F
ADC
MSPS
2
ADC conversion rate
F
CONV
ns
-
pending
-
ADC sample time
T
S
µs
-
pending
-
ADC conversion time
l
T
C
ADC clocks
-
pending
-
Latency from trigger to start of conversion
T
LT
SYSTEM PERFORMANCE when using external reference
mn
bits
12
Resolution
N
LSB
±3.0
±1.5
-
Integral nonlinearity error, over full input range
INL
LSB
+2.0/-1.0
o
±0.8
-
Differential nonlinearity error, over full input
range
range
DNL
LSB
±3.0
±1.0
-
Offset error
E
O
LSB
±3.0
±2.0
-
Gain error
p
E
G
LSB
±4.0
±2.5
-
Total unadjusted error, over full input range
q
E
T
SYSTEM PERFORMANCE when using internal reference
bits
12
Resolution
N
LSB
±3.0
±1.5
-
Integral nonlinearity error, over full input range
INL
LSB
+2.0/-1.0
o
±0.8
-
Differential nonlinearity error, over full input
range
range
DNL
LSB
±15.0
±5.0
-
Offset error
E
O
LSB
±30.0
±10.0
-
Gain error
p
E
G
LSB
±30.0
±10.0
-
Total unadjusted error, over full input range
q
E
T
DYNAMIC CHARACTERISTICS
rs
dB
-
72
70
Signal-to-noise-ratio, Differential input, V
ADCIN
:
-20dB FS, 1KHz
t
SNR
D
dB
-
75
72
Signal-to-distortion ratio, Differential input,
V
V
ADCIN
: -3dB FS, 1KHz
tuv
SDR
D
dB
-
70
68
Signal-to-Noise+Distortion ratio, Differential
input, V
input, V
ADCIN
: -3dB FS, 1KHz
twx
SNDR
D
dB
-
65
60
Signal-to-noise-ratio, Single-ended input,
V
V
ADCIN
: -20dB FS, 1KHz
y
SNR
S
dB
-
72
70
Signal-to-distortion ratio, Single-ended input,
V
V
ADCIN
: -3dB FS, 1KHz
uv
SDR
S
dB
-
63
60
Signal-to-Noise+Distortion ratio, Single-ended
input, V
input, V
ADCIN
: -3dB FS, 1KHz
ywx
SNDR
S
TEMPERATURE SENSOR
V
-
1.633
-
Temperature sensor voltage, junction
temperature 25 °C
temperature 25 °C
V
TSENS
mV/°C
-
-13.3
-
Temperature sensor slope at:
-40°C to 85 °C ambient (industrial temperature
part)
part)
-40°C to 105 °C ambient (extended temperature
part)
part)
S
TSENS
December 13, 2013
2140
Texas Instruments-Advance Information
Electrical Characteristics