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| MC908GR32AVFAE Datasheet, PDF (286/314 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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Electrical Specifications
20.10 5.0-Volt ADC Characteristics
Characteristic(1)
Symbol
Min
Max
Unit
Supply voltage
VDDAD
4.5
5.5
V
Input voltages
VADIN
0
VDDAD
V
Resolution
BAD
10
10
Bits
Absolute accuracy
AAD
â4
+4
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
003
Hex
Full-scale reading
FADI
3FC
3FF
Hex
Input capacitance
CADI
â
30
pF
VDDAD/VREFH current
IVREF
â
1.6
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 = 5.0 Vdc ± 10%, VSS = 0 Vdc, VDDAD/VREFH = 5.0 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
MC68HC908GR60A ⢠MC68HC908GR48A ⢠MC68HC908GR32A Data Sheet, Rev. 5
286
Freescale Semiconductor
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