參數(shù)資料
型號: MCF54415CMJ250
廠商: Freescale Semiconductor
文件頁數(shù): 40/61頁
文件大小: 0K
描述: IC MCU 32BIT 256MAPBGA
標(biāo)準(zhǔn)包裝: 450
系列: MCF5441x
核心處理器: Coldfire V4
芯體尺寸: 32-位
速度: 250MHz
連通性: 1 線,CAN,EBI/EMI,以太網(wǎng),I²C,智能卡,SPI,SSI,UART/USART,USB,USB OTG
外圍設(shè)備: DMA,PWM,WDT
輸入/輸出數(shù): 87
程序存儲器類型: ROMless
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 1.14 V ~ 1.32 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b,D/A 2x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 256-LBGA
包裝: 托盤
Electrical characteristics
MCF5441x ColdFire Microprocessor Data Sheet, Rev. 8
Freescale Semiconductor
45
4.19
12-bit DAC timing specifications
Table 27 shows electrical specifications of DAC.
Differential non-linearity (10% to 90% input signal
range)3
DNL
±0.6
lsb
Monotonicity
Guaranteed
Conversion time
6
tADC cycles
Sample time
1
tADC cycles
ADC power-up time4
tADPU
——
13
tADC cycles
5
Recovery from auto standby
tREC
—0
6
tADC cycles
Input impedance
XIN
—2k—
Input injection current6, per pin
IADI
——
3
mA
VREFH current
IVREFH
—100
nA
Offset voltage internal reference (at the y intercept)
VOFFSET0
—±20
LSB
Offset voltage internal reference (at the 50% FSR point)
VOFFSET50
—±12
LSB
Gain error (transfer path)
EGAIN
—±0.2—
%
Spurious free dynamic range
SFDR
57
dB
Signal-to-noise plus distortion
SINAD
55
dB
Signal-to-noise ratio
SNR
60
dB
Effective number of bits
ENOB
9
Bits
1
All ADC parameter measurements are preliminary pending full characterization.
These measurements were made at VDD =3.3 V, VREFH = 3.3 V, and VREFL = ground.
2
INL measured from VIN = 0.1VREFH to VIN = 0.9VREFH
3
INL measured from VIN = 0.1VREFH to VIN = 0.9VREFH
4
Includes power-up of ADC and VREF
5
ADC clock cycles
6
The current that can be injected or sourced from an unselected ADC signal input without impacting the performance of the
ADC
Table 27. DAC parameters1
Characteristic
Name
Min
Typical
Max
Unit
Range of digital input words: 497 to 3599 (0x1F1–0xE0F)
LSB
806
uV
Monotonicity
Guaranteed
Conversion time (high-speed)
1
us
Conversion time (low-speed)
2
us
Conversion rate (high-speed)
1M
conv/sec
Conversion rate (low-speed)
500K
conv/sec
Output swing
AVSS + 0.04
AVDD – 0.04
V
Table 26. ADC parameters1 (continued)
Characteristic
Name
Min
Typical
Max
Unit
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