56F8346 Datasheet, PDF (161/176 Pages) Freescale Semiconductor, Inc – 16-bit Digital Signal Controllers

Analog-to-Digital Converter (ADC) Parameters
TRST
(Input)
t_TRST
Figure 10-21 TRST Timing Diagram
10.16 Analog-to-Digital Converter (ADC) Parameters
Table 10-24 ADC Parameters
Characteristic
Symbol
Min
Typ
Input voltages
Resolution
Integral Non-Linearity¹
Differential Non-Linearity
V_ADIN
R_ES
INL
DNL
V_REFL
12
—
—
—
—
+/- 2.4
+/- 0.7
Monotonicity
ADC internal clock
Conversion range
ADC channel power-up time
f_ADIC
R_AD
t_ADPU
0.5
V_REFL
5
GUARANTEED
—
—
6
ADC reference circuit power-up time⁴
t_VREF
—
—
Conversion time
t_ADC
—
6
Sample time
Input capacitance
Input injection current⁵, per pin
Input injection current, total
V_REFH current
ADC A current
ADC B current
Quiescent current
Uncalibrated Gain Error (ideal = 1)
Uncalibrated Offset Voltage
Calibrated Absolute Error⁶
t_ADS
—
C_ADI
—
I_ADI
—
I_ADIT
—
I_VREFH
—
I_ADCA
—
I_ADCB
—
I_ADCQ
—
E_GAIN
—
V_OFFSET
—
AE_CAL
—
1
5
—
—
1.2
25
25
0
+/- .004
+/- 18
See Figure 10-22
Max
V_REFH
12
+/- 3.2
< +1
Unit
V
Bits
LSB²
LSB²
5
MHz
V_REFH
16
25
V
t_AIC cycles³
ms
—
t_AIC cycles³
—
t_AIC cycles³
—
pF
3
mA
20
mA
3
mA
—
mA
—
mA
10
μA
+/- .015
—
+/- 46
mV
—
LSBs
56F8346 Technical Data, Rev. 15
Freescale Semiconductor
161
Preliminary