參數(shù)資料
型號: MC56F8355MFGE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 4-BIT, 120 MHz, OTHER DSP, PQFP128
封裝: ROHS COMPLIANT, PLASTIC, LQFP-128
文件頁數(shù): 60/172頁
文件大?。?/td> 844K
代理商: MC56F8355MFGE
56F8355 Technical Data, Rev. 17
152
Freescale Semiconductor
Preliminary
Conversion time
tADC
—6
tAIC cycles
3
Sample time
tADS
—1
tAIC cycles
3
Input capacitance
CADI
—5
pF
Input injection current5, per pin
IADI
——
3
mA
Input injection current, total
IADIT
——
20
mA
VREFH current
IVREFH
—1.2
3
mA
ADC A current
IADCA
—25
mA
ADC B current
IADCB
—25
mA
Quiescent current
IADCQ
—0
10
μA
Uncalibrated Gain Error (ideal = 1)
EGAIN
+/- .004
+/- .015
Uncalibrated Offset Voltage
VOFFSET
+/- 15
+/- 35
mV
Calibrated Absolute Error6
AECAL
LSBs
Calibration Factor 17
CF1
TBD
0.010380
Calibration Factor 27
CF2
TBD
-31.7
Crosstalk between channels
-60
dB
Common Mode Voltage
Vcommon
—(VREFH - VREFLO) / 2
V
Signal-to-noise ratio
SNR
64.6
db
Signal-to-noise plus distortion ratio
SINAD
59.1
db
Total Harmonic Distortion
THD
60.6
db
Spurious Free Dynamic Range
SFDR
61.1
db
Effective Number Of Bits8
ENOB
9.6
Bits
Non-averaged DC drift of error over
temperature from 27
° C9
——
3LSB
1. INL measured from Vin = .1VREFH to Vin = .9VREFH
10% to 90% Input Signal Range
2. LSB = Least Significant Bit
3. ADC clock cycles
4. Assumes each voltage reference pin is bypassed with 0.1
μF ceramic capacitors to ground
5. The current that can be injected or sourced from an unselected ADC signal input without impacting the performance of
the ADC. This allows the ADC to operate in noisy industrial environments where inductive flyback is possible.
6. Absolute error includes the effects of both gain error and offset error.
7. Please see the 56F8300 Peripheral User’s Manual for additional information on ADC calibration.
8. ENOB = (SINAD - 1.76)/6.02
9. Temperature range –40
° C to 150° C
Table 10-23 ADC Parameters (Continued)
Characteristic
Symbol
Min
Typ
Max
Unit
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