參數(shù)資料
型號(hào)： MK51DX256ZCMB10
廠商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PBGA81
封裝： 8 X 8 MM, MAPBGA-81
文件頁(yè)數(shù)： 33/75頁(yè)
文件大?。?/td> 1053K
代理商： MK51DX256ZCMB10
6.6.1.1 16-bit ADC operating conditions
Table 25. 16-bit ADC operating conditions
Symbol
Description
Conditions
Min.
Max.
Unit
Notes
VDDA
Supply voltage
Absolute
1.71
—
3.6
V
ΔVDDA
Supply voltage
Delta to VDD (VDD-
VDDA)
-100
0
+100
mV
ΔVSSA
Ground voltage
Delta to VSS (VSS-
VSSA)
-100
0
+100
mV
VREFH
ADC reference
voltage high
1.13
VDDA
V
VREFL
Reference
voltage low
VSSA
V
VADIN
Input voltage
VREFL
—
VREFH
V
CADIN
Input
capacitance
16 bit modes
8/10/12 bit
modes
—
8
4
10
5
pF
RADIN
Input resistance
—
2
5
kΩ
RAS
Analog source
resistance
13/12 bit modes
fADCK < 4MHz
—
5
kΩ
fADCK
ADC conversion
clock frequency
≤ 13 bit modes
1.0
—
18.0
MHz
fADCK
ADC conversion
clock frequency
16 bit modes
2.0
—
12.0
MHz
Crate
ADC conversion
rate
≤ 13 bit modes
No ADC hardware
averaging
Continuous
conversions enabled,
subsequent conversion
time
20.000
—
818.330
Ksps
Crate
ADC conversion
rate
16 bit modes
No ADC hardware
averaging
Continuous
conversions enabled,
subsequent conversion
time
37.037
—
461.467
Ksps
1. Typical values assume VDDA = 3.0 V, Temp = 25°C, fADCK = 1.0 MHz unless otherwise stated. Typical values are for
reference only and are not tested in production.
2. DC potential difference.
3. This resistance is external to MCU. The analog source resistance should be kept as low as possible in order to achieve the
best results. The results in this datasheet were derived from a system which has <8 Ω analog source resistance. The RAS/
CAS time constant should be kept to <1ns.
Peripheral operating requirements and behaviors
K51 Sub-Family Data Sheet Data Sheet, Rev. 5, 5/2011.
Freescale Semiconductor, Inc.
Preliminary
39
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