TWR-56F8257 Freescale Semiconductor, TWR-56F8257 Datasheet - Page 68

• Manufacturer Part Number: TWR-56F8257
• Description: TOWER SYSTEM KIT MC56F8257
• Manufacturer: Freescale Semiconductor
• Type: DSC, Digital Signal Controllerr

Specifications of TWR-56F8257

• Contents: Board, Cables, Documentation, DVD
• For Use With/related Products: Freescale Tower System, MC56F8257
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Specifications
7.24
7.25 Analog-to-Digital Converter (ADC) Parameters
68
DC Specifications
Resolution
ADC internal clock
Conversion range
ADC and VREF power-up time
power down mode)
VREF power-up time (from low power
mode)
ADC RUN current (Speed Control setting)
at 100 kHz ADC clock (Standby Mode)
at ADC clock
at 5 MHz < ADC clock
at 12 MHz < ADC clock
Conversion time
Sample time
Accuracy (DC or absolute) (gain of 1x, 2x, 4x and f
Integral non-linearity
(Full input signal range)
Differential non-linearity
Monotonicity
Offset Voltage Internal Ref
Offset Voltage External Ref
Gain Error (transfer gain)
ADC Inputs
Input voltage (external reference)
Input voltage (internal reference)
Input leakage
V
Input injection current
Input capacitance
Oscillator current consumption in partial power down mode
REFH
current
COP Specifications
7
(Pin Group 3)
5 MHz (00)
Parameter
Oscillator output frequency
5
8
, per pin
5
Parameter
12 MHz (01)
15 MHz (10)
2
(from
MC56F825x/MC56F824x Digital Signal Controller, Rev. 3
Table 40. COP Specifications
Table 41. ADC Parameters
V
V
Symbol
t
I
I
E
V
V
t
REFPU
OFFSET
OFFSET
VREFH
ADRUN
f
DNL
C
ADPU
t
t
R
R
ADIC
I
INL
ADC
ADS
GAIN
ADIN
ADIN
I
ADI
ADI
IA
ES
AD
ADC
10 MHz) (all data in single-ended mode)
V
V
V
Min
Symbol
LPFosc
0.1
REFL
REFL
12
—
—
—
—
—
—
—
—
—
—
—
—
—
SSA
—
—
—
—
IDD
0.995 to 1.005
See
1
GUARANTEED
Min
500
+/- 0.6
0.001
Figure 31
+/- 3
+/- 8
+/- 8
Typ
0.6
13
10
17
27
—
—
—
—
—
—
6
6
1
0
1000
TBD
Typ
1.01 to 0.99
V
V
+/- 15
+/- 15
Freescale Semiconductor
V
+/- 6
+/- 1
+/- 2
Max
REFH
REFH
12
15
—
—
—
—
—
—
—
—
DDA
—
—
3
1500
4
Max
t
t
t
t
AIC
AIC
AIC
AIC
LSB
LSB
MHz
Unit
Unit
Bits
mA
mV
mV
mA
cycles
cycles
cycles
cycles
pF
Hz
nA
—
V
V
V
A
A
6
5
3
3
3
3