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| 型號(hào)： | TMS470R1A256PZ |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16/32-Bit RISC Flash Microcontroller |
| 中文描述： | 16/32位RISC閃存微控制器 |
| 文件頁(yè)數(shù)： | 40/46頁(yè) |
| 文件大?。?/td> | 392K |
| 代理商： | TMS470R1A256PZ |
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MULTI-BUFFERED A-TO-D CONVERTER (MibADC)
The multi-buffered A-to-D converter (MibADC) has a separate power bus for its analog circuitry. This power bus
enhances the A-to-D performance by preventing digital switching noise on the logic circuitry which could be
present on VSS and VCC from coupling into the A-to-D analog stage. All A-to-D specifications are given with
respect to ADREFLO unless otherwise noted.
TMS470R1A256
16/32-Bit RISC Flash Microcontroller
SPNS100–NOVEMBER 2004
Resolution
Monotonic
Output conversion code
10 bits (1024 values)
Assured
00h to 3FFh [00 for VAI
≤
AD
REFLO
; 3FF for VAI
≥
AD
REFHI
]
Table 14. MibADC RECOMMENDED OPERATING CONDITIONS
(1)
MIN
V
SSAD
V
SSAD
V
SSAD
- 0.3
MAX
V
CCAD
V
CCAD
V
CCAD
+ 0.3
UNIT
V
V
V
AD
REFHI
AD
REFLO
V
AI
A-to-D high-voltage reference source
A-to-D low-voltage reference source
Analog input voltage
Analog input clamp current
(2)
(V
AI
< V
SSAD
- 0.3 or V
AI
> V
CCAD
+ 0.3)
I
AIC
-2
2
mA
(1)
(2)
For V
and V
recommended operating conditions, see the "device recommended operating conditions" table.
Input currents into any ADC input channel outside the specified limits could affect conversion results of other channels.
Table 15. OPERATING CHARACTERISTICS OVER FULL RANGES OF RECOMMENDED OPERATING
CONDITIONS
(1)(2)
PARAMETER
Analog input resistance
DESCRIPTION/CONDITIONS
See Figure 18.
MIN
TYP
250
MAX UNIT
500
10
30
1
5
R
i
pF
pF
μA
mA
Conversion
Sampling
C
i
Analog input capacitance
See Figure 18.
I
AIL
I
ADREFHI
Analog input leakage current
AD
REFHI
input current
Conversion range over which specified
accuracy is maintained
See Figure 18.
AD
REFHI
= 3.6 V, AD
REFLO
= V
SSAD
-1
CR
AD
REFHI
- AD
REFLO
3
3.6
V
Difference between the actual step width and the ideal
value after offset correction. See Figure 19.
Maximum deviation from the best straight line through
the MibADC. MibADC transfer characteristics, exclud-
ing the quantization error after offset correction. See
Figure 20.
Maximum value of the difference between an analog
value and the ideal midstep value. See Figure 21.
E
DNL
Differential nonlinearity error
±
2
LSB
E
INL
Integral nonlinearity error
±
2
LSB
E
TOT
Total error/Absolute accuracy
±
2
LSB
(1)
(2)
V
= V
= AD
1 LSB = (AD
REFHI
- AD
REFLO
)/ 2
10
for the MibADC
40
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| TMS470R1A256PZ-T | 功能描述:ARM微控制器 - MCU 48mhz / 256k Flash RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| TMS470R1A288 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:16/32-Bit RISC Flash Microcontroller |
| TMS470R1A288PGEA | 功能描述:ARM微控制器 - MCU 48mhz / 288k Flash RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| TMS470R1A288PGEQ | 功能描述:ARM微控制器 - MCU 16/32B RISC Flash Microcontroller RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| TMS470R1A288PGET | 功能描述:ARM微控制器 - MCU 48mhz / 288k Flash RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
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