Datasheet

Analog-to-Digital Converter (ADC) Characteristics
56F803 Technical Data, Rev. 16
Freescale Semiconductor 43
Figure 3-25 TXD Pulse Width
3.12 Analog-to-Digital Converter (ADC) Characteristics
Table 3-16 ADC Characteristics
Characteristic Symbol Min Typ Max Unit
ADC input voltages V
ADCIN
0
1
—
V
REF
2
V
Resolution R
ES
12 — 12 Bits
Integral Non-Linearity
3
INL — +/- 2.5 +/- 4
LSB
4
Differential Non-Linearity DNL — +/- 0.9 +/- 1
LSB
4
Monotonicity GUARANTEED
ADC internal clock
5
f
ADIC
0.5 — 5 MHz
Conversion range R
AD
V
SSA
—V
DDA
V
Power-up time t
ADPU
—16 —
t
AIC
cycles
6
Conversion time t
ADC
—6 —
t
AIC
cycles
6
Sample time t
ADS
—1 —
t
AIC
cycles
6
Input capacitance C
ADI
—5 —
pF
6
Gain Error (transfer gain)
5
E
GAIN
0.95 1.00 1.10 —
Offset Voltage
5
V
OFFSET
-80 -15 +20 mV
Total Harmonic Distortion
5
THD 60 64 — dB
Signal-to-Noise plus Distortion
5
SINAD 55 60 — dB
Effective Number of Bits
5
ENOB 9 10 — bit
Spurious Free Dynamic Range
5
SFDR 65 70 — dB
Bandwidth BW — 100 — KHz
TXD
SCI receive
data pin
(Input)
TXD
PW