TM4C123FE6PM Datasheet, PDF (1350/1370 Pages) Texas Instruments – Tiva™ TM4C123FE6PM Microcontroller

Electrical Characteristics
23.13
Analog-to-Digital Converter (ADC)
Table 23-30. ADC Electrical Characteristics^ab
Parameter Parameter Name
POWER SUPPLY REQUIREMENTS
V_DDA
GNDA
ADC supply voltage
ADC ground voltage
VDDA / GNDA VOLTAGE REFERENCE
C_REF
Voltage reference decoupling capacitance
ANALOG INPUT
V_ADCIN
VIN_CM
Single-ended, full- scale analog input voltage,
internal reference^de
Differential, full-scale analog input voltage,
internal reference^df
Input common mode voltage, differential mode^g
Min
2.97
-
-
0
-V_DDA
-
I_L
ADC input leakage current^h
-
R_ADC
ADC equivalent input resistance^h
-
C_ADC
ADC equivalent input capacitance^h
-
R_S
Analog source resistance^h
-
SAMPLING DYNAMICS
F_ADC
ADC conversion clock frequencyⁱ
-
F_CONV
ADC conversion rate
T_S
ADC sample time
-
T_C
ADC conversion time^j
T_LT
Latency from trigger to start of conversion
-
SYSTEM PERFORMANCE when using internal reference
N
Resolution
INL
Integral nonlinearity error, over full input range
-
DNL
Differential nonlinearity error, over full input
-
range
E_O
Offset error
-
E_G
Gain error^l
-
E_T
Total unadjusted error, over full input range^m
-
DYNAMIC CHARACTERISTICS^no
SNR_D
Signal-to-noise-ratio, Differential input, V_ADCIN: 70
-20dB FS, 1KHz ^p
SDR_D
Signal-to-distortion ratio, Differential input,
V_ADCIN: -3dB FS, 1KHz^pqr
72
SNDR_D
Signal-to-Noise+Distortion ratio, Differential
input, V_ADCIN: -3dB FS, 1KHz^pst
68
SNR_S
Signal-to-noise-ratio, Single-ended input,
60
V_ADCIN: -20dB FS, 1KHz
u
Nom
Max
Unit
3.3
3.63
V
0
-
V
1.0 // 0.01^c
-
μF
-
V_DDA
V
-
V_DDA
V
-
(VREFP +
mV
VREFN) / 2
± 25
-
2.0
µA
-
2.5
kΩ
-
10
pF
-
500
Ω
16
-
MHz
1
Msps
250
-
ns
1
µs
2
-
ADC clocks
12
bits
±1.5
±3.0
LSB
±0.8
+2.0/-1.0^k
LSB
±5.0
±15.0
LSB
±10.0
±30.0
LSB
±10.0
±30.0
LSB
72
-
dB
75
-
dB
70
-
dB
65
-
dB
1350
Texas Instruments-Production Data
June 12, 2014