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| MC908GZ60CFUE Datasheet, PDF (325/352 Pages) Freescale Semiconductor, Inc – Standard features, Features of the CPU08 | |||
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3.3-Volt ADC Characteristics
21.11 3.3-Volt ADC Characteristics
Characteristic(1)
Symbol
Min
Max
Unit
Supply voltage
VDDAD
3.0
3.6
V
Input voltages
VADIN
0
VDDAD
V
Resolution
BAD
10
10
Bits
Absolute accuracy
AAD
â6
+6
LSB
ADC internal clock
fADIC
500 k
1.048 M
Hz
Conversion range
RAD
VSSAD
VDDAD
V
Power-up time
tADPU
16
â
tAIC cycles
Conversion time
tADC
16
17
tAIC cycles
Sample time
tADS
5
â
tAIC cycles
Monotonicity
MAD
Guaranteed
Zero input reading
ZADI
000
005
Hex
Full-scale reading
FADI
3FA
3FF
Hex
Input capacitance
CADI
â
30
pF
VDDAD/VREFH current
IVREF
â
1.2
mA
Absolute accuracy
(8-bit truncation mode)
AAD
â1
+1
LSB
Quantization error
(8-bit truncation mode)
â
â1/8
+7/8
LSB
1. VDD = 3.3 Vdc ± 10%, VSS = 0 Vdc, VDDAD/VREFH = 3.3 Vdc ± 10%, VSSAD/VREFL = 0 Vdc
Comments
VDDAD should be tied to
the same potential as VDD
via separate traces.
VADIN <= VDDAD
Includes quantization
tAIC = 1/fADIC
VADIN = VSSA
VADIN = VDDA
Not tested
Includes quantization
MC68HC908GZ60 ⢠MC68HC908GZ48 ⢠MC68HC908GZ32 Data Sheet, Rev. 6
Freescale Semiconductor
325
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