MC68HLC908LJ12 查看數據表（PDF） - Freescale Semiconductor
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MC68HLC908LJ12 Datasheet PDF : 16 Pages
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HC908LJ12AD/D
Freescale Semiconductor, Inc.
ADC Electrical
Characteristics
Characteristic
Supply voltage
Input range
Resolution
Absolute accuracy
ADC internal clock
Conversion range
ADC voltage
reference high
ADC voltage
reference low
Conversion time
Sample time
Monotonically
Zero input reading
Full-scale reading
Input capacitance
Input impedance
VREFH/VREFL
70
60
– 40 °C
50
+ 25 °C
40
+ 85 °C
30
20
10
0
2
3
4
5
6
Supply Voltage, VDD (V)
Figure 1. Typical Internal Oscillator Frequency
Table 6. ADC Electrical Characteristics (2.4 to 3.3V)
Symbol
VDDA
VADIN
BAD
AAD
fADIC
RAD
Min
Max
2.4
3.3
0
VDDA
10
10
See Figure 2 and Figure 3.
32 k
VREFL
2M
VREFH
Unit
V
V
bits
Hz
V
Notes
VADIN ≤ VDDA
1,024 counts
Includes quantization.
±1 ADC count = ±0.5 LSB
tADIC = 1/fADIC
VREFH
—
VDDA + 0.1
V
VREFL
tADC
tADS
MAD
ZADI
FADI
CADI
RADI
IVREF
VSSA – 0.1
—
16
17
5
000
3FC
—
20 M
—
—
Guaranteed
001
3FF
20
—
1.6
V
tADIC
cycles
tADIC
cycles
VSSA is tied to VSS internally.
HEX
HEX
pF
Ω
mA
VADIN = VREFL
VADIN = VREFH
Not tested.
Measured at 5V
Not tested.
Addendum to MC68HC908LJ12 Technical Data
For More Information On This Product,
Go to: www.freescale.com
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