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| 型號： | MK20DX256ZVLQ10 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PQFP144 |
| 封裝： | 20 X 20 MM, LQFP-144 |
| 文件頁數(shù)： | 39/74頁 |
| 文件大小： | 1023K |
| 代理商： | MK20DX256ZVLQ10 |
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6.6.1.3 16-bit ADC with PGA operating conditions
Table 29. 16-bit ADC with PGA operating conditions
Symbol
Description
Conditions
Min.
Max.
Unit
Notes
VDDA
Supply voltage
Absolute
1.71
—
3.6
V
VREFPGA PGA ref voltage
VREF_OU
T
VREF_OU
T
VREF_OU
T
V
VADIN
Input voltage
VSSA
—
VDDA
V
VCM
Input Common
Mode range
VSSA
—
VDDA
V
RPGAD
Differential input
impedance
Gain = 1, 2, 4, 8
Gain = 16, 32
Gain = 64
—
128
64
32
—
kΩ
IN+ to IN-4
RAS
Analog source
resistance
—
100
—
Ω
TS
ADC sampling
time
1.25
—
s
Crate
ADC conversion
rate
≤ 13 bit modes
No ADC hardware
averaging
Continuous
conversions enabled
Peripheral clock = 50
MHz
18.484
—
450
Ksps
16 bit modes
No ADC hardware
averaging
Continuous
conversions enabled
Peripheral clock = 50
MHz
37.037
—
250
Ksps
1. Typical values assume VDDA = 3.0 V, Temp = 25°C, fADCK = 6 MHz unless otherwise stated. Typical values are for
reference only and are not tested in production.
2. ADC must be configured to use the internal voltage reference (VREF_OUT)
3. PGA reference is internally connected to the VREF_OUT pin. If the user wishes to drive VREF_OUT with a voltage other
than the output of the VREF module, the VREF module must be disabled.
4. For single ended configurations the input impedance of the driven input is RPGAD/2
5. The analog source resistance (RAS), external to MCU, should be kept as minimum as possible. Increased RAS causes drop
in PGA gain without affecting other performances. This is not dependent on ADC clock frequency.
6. The minimum sampling time is dependent on input signal frequency and ADC mode of operation. A minimum of 1.25s
time should be allowed for Fin=4 kHz at 16-bit differential mode. Recommended ADC setting is: ADLSMP=1, ADLSTS=2 at
8 MHz ADC clock.
7. ADC clock = 18 MHz, ADLSMP = 1, ADLST = 00, ADHSC = 1
8. ADC clock = 12 MHz, ADLSMP = 1, ADLST = 01, ADHSC = 1
Peripheral operating requirements and behaviors
K20 Sub-Family Data Sheet Data Sheet, Rev. 5, 5/2011.
44
Preliminary
Freescale Semiconductor, Inc.
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參數(shù)描述 |
|---|---|
| MK20DX256ZVLQ10R | 功能描述:ARM微控制器 - MCU Kinetis 256Kflex USB 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 最大時鐘頻率:72 MHz 程序存儲器大小: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 |
| MK20DX256ZVMB10 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:K20 Sub-Family Data Sheet |
| MK20DX256ZVMC10 | 制造商:Freescale Semiconductor 功能描述:MCU 32-bit K20 ARM Cortex M4 RISC 256KB Flash 1.8V/2.5V/3.3V 121-Pin MAP-BGA Tray 制造商:Freescale Semiconductor 功能描述:MK20DX256ZVMC10 - Bulk 制造商:Freescale Semiconductor 功能描述:IC ARM CORTEX MCU 256KB 121BGA 制造商:Freescale Semiconductor 功能描述:MCU KINETIS K20 CORTEX M4 制造商:Freescale Semiconductor 功能描述:MCU, KINETIS, K20, CORTEX M4, 121MAP 制造商:Freescale Semiconductor 功能描述:KINETIS 256K USB 制造商:Freescale Semiconductor 功能描述:IC 32BIT MCU KINETIS K20 100MHZ 121-MAPBGA; Controller Family/Series:(ARM Cortex - M4) Kinetis K20; Core Size:32bit; No. of I/O's:86; Supply Voltage Min:1.71V; Supply Voltage Max:3.6V; Digital IC Case Style:MAPBGA; No. of Pins:121 ;RoHS Compliant: Yes |
| MK20DX256ZVMD10 | 功能描述:ARM微控制器 - MCU KINETIS CORTEX M4 256KFLEX USB 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 最大時鐘頻率:72 MHz 程序存儲器大小: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 |
| MK20DX32VFM5 | 功能描述:ARM微控制器 - MCU Kinetis 32K Flex 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 最大時鐘頻率:72 MHz 程序存儲器大小: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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