参数资料
型号: MCF51QF128VHX
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: FLASH, 50 MHz, MICROCONTROLLER, QCC64
封装: 9 X 9 MM, QFN-64
文件页数: 30/72页
文件大小: 1031K
代理商: MCF51QF128VHX
5. For guidelines and examples of conversion rate calculation, download the ADC calculator tool: http://cache.freescale.com/
files/soft_dev_tools/software/app_software/converters/ADC_CALCULATOR_CNV.zip?fpsp=1
RAS
VAS
CAS
ZAS
VADIN
ZADIN
RADIN
CADIN
Pad
leakage
due to
input
protection
INPUT PIN
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
ADC SAR
ENGINE
Figure 9. ADC input impedance equivalency diagram
6.6.1.2 12-bit ADC electrical characteristics
Table 24. 12-bit ADC characteristics (VREFH = VDDA, VREFL = VSSA)
Symbol
Description
Min.
Typ.2
Max.
Unit
Notes
IDDA_ADC Supply current
0.215
1.7
mA
fADACK
ADC
asynchronous
clock source
ADLPC=1, ADHSC=0
ADLPC=1, ADHSC=1
ADLPC=0, ADHSC=0
ADLPC=0, ADHSC=1
1.2
3.0
2.4
4.4
2.4
4.0
5.2
6.2
3.9
7.3
6.1
9.5
MHz
tADACK = 1/
fADACK
Sample Time
See Reference Manual chapter for sample times
TUE
Total unadjusted
error
12 bit modes
<12 bit modes
±0.8
±0.5
±TBD
±1
LSB4
ADC
conversion
clock
<12MHz,
Max
hardware
averaging
(AVGE =
%1, AVGS
= %11)
Table continues on the next page...
Analog
MCF51JF128 Advance Information Data Sheet, Rev. 3, 08/2011.
36
Preliminary
Freescale Semiconductor, Inc.
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MCF51QH128VHS 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Advance Information Temperature range (ambient): -40°C to 105°C
MCF51QH128VHX 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Advance Information Temperature range (ambient): -40°C to 105°C
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