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| 型號(hào)： | MC9S12DJ128BVFU |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MC9S12DT128B |
| 中文描述： | 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 14 MM, 2.20 MM HEIGHT, 0.65 MM PITCH, QFP-80 |
| 文件頁(yè)數(shù)： | 94/124頁(yè) |
| 文件大?。?/td> | 577K |
| 代理商： | MC9S12DJ128BVFU |
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MC9S12DT128B Device User Guide — V01.07
94
specifies results in an error of less than 1/2 LSB (2.5mV) at the maximum leakage current. If device or
operatingconditionsarelessthanworstcaseorleakage-inducederrorisacceptable,largervaluesofsource
resistance is allowed.
A.2.2.2 Source capacitance
When sampling an additional internal capacitor is switched to the input. This can cause a voltage drop due
to charge sharing with the external and the pin capacitance. For a maximum sampling error of the input
voltage
≤
1LSB, then the external filter capacitor, C
f
≥
1024 * (C
INS
– C
INN
).
A.2.2.3 Current injection
There are two cases to consider.
1.
A current is injected into the channel being converted. The channel being stressed has conversion
valuesof$3FF($FFin8-bitmode)foranaloginputsgreaterthanV
RH
and$000forvalueslessthan
V
RL
unless the current is higher than specified as disruptive conditions.
Current is injected into pins in the neighborhood of the channel being converted. A portion of this
current is picked up by the channel (coupling ratio K), This additional current impacts the accuracy
of the conversion depending on the source resistance.
The additional input voltage error on the converted channel can be calculated as V
ERR
= K * R
S
*
I
INJ
, with I
INJ
being the sum of the currents injected into the two pins adjacent to the converted
channe
Table A-9 ATD Electrical Characteristics
2.
Conditions are shown in
Table A-4
unless otherwise noted
Num C
Rating
Symbol
Min
Typ
Max
Unit
1
C Max input Source Resistance
R
S
-
-
1
K
2
T
Total Input Capacitance
Non Sampling
Sampling
C
INN
C
INS
10
22
pF
3
C Disruptive Analog Input Current
I
NA
-2.5
2.5
mA
4
C Coupling Ratio positive current injection
K
p
10
-4
A/A
5
C Coupling Ratio negative current injection
K
n
10
-2
A/A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC9S12DJ128BVPV | MC9S12DT128B |
| MC9S12DT128B | MC9S12DT128B |
| MC9S12DT128BCFU | MC9S12DT128B |
| MC9S12DT128BCPV | MC9S12DT128B |
| MC9S12DT128BMFU | MC9S12DT128B |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC9S12DJ128BVPV | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Freescale Semiconductor 功能描述: |
| MC9S12DJ128CFU | 制造商:Rochester Electronics LLC 功能描述:128K FLASH HCS12 MCU - Bulk |
| MC9S12DJ128CFUE | 功能描述:16位微控制器 - MCU 128K FLASH HCS12 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MC9S12DJ128CPV | 制造商:Rochester Electronics LLC 功能描述:128K FLASH HCS12 MCU - Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC9S12DJ128CPVE | 功能描述:16位微控制器 - MCU 128K FLASH HCS12 MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
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