參數(shù)資料
型號: TMS320F28069UPNT
廠商: Texas Instruments
文件頁數(shù): 160/174頁
文件大小: 0K
描述: IC MCU 32BIT 256KB FLASH 80LQFP
產(chǎn)品培訓(xùn)模塊: ControlSUITE
Piccolo F2806x
TPS75005 Single IC Power for C2000 MCU
標準包裝: 119
系列: TMS320F2806x, Piccolo™, C2000™
核心處理器: C28x
芯體尺寸: 32-位
速度: 80MHz
連通性: CAN,I²C,McBSP,SCI,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 40
程序存儲器容量: 256KB(128K x 16)
程序存儲器類型: 閃存
RAM 容量: 50K x 16
電壓 - 電源 (Vcc/Vdd): 1.71 V ~ 1.995 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 12x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 105°C
封裝/外殼: 80-LQFP
包裝: 托盤
ADCSOCAO
ADCSOCBO
or
t
w(ADCSOCL)
SPRS698D – NOVEMBER 2010 – REVISED DECEMBER 2012
5.10.1.2 ADC Start-of-Conversion Electrical Data/Timing
Table 5-20. External ADC Start-of-Conversion Switching Characteristics
over recommended operating conditions (unless otherwise noted)
PARAMETER
MIN
MAX
UNIT
tw(ADCSOCL)
Pulse duration, ADCSOCxO low
32tc(HCO )
cycles
Figure 5-16. ADCSOCAO or ADCSOCBO Timing
5.10.1.3 On-Chip Analog-to-Digital Converter (ADC) Electrical Data/Timing
Table 5-21. ADC Electrical Characteristics
PARAMETER
MIN
TYP
MAX
UNIT
DC SPECIFICATIONS
Resolution
12
Bits
ADC clock
90-MHz device
0.001
45
MHz
Sample Window
7
64
ADC
Clocks
ACCURACY
INL (Integral nonlinearity)(1)
–4
4
LSB
DNL (Differential nonlinearity), no missing codes
–1
1.5
LSB
Offset error (2)
Executing a single self-
–20
20
LSB
recalibration(3)
Executing periodic self-
–4
4
recalibration(4)
Overall gain error with internal reference
–60
60
LSB
Overall gain error with external reference
–40
40
LSB
Channel-to-channel offset variation
–4
4
LSB
Channel-to-channel gain variation
–4
4
LSB
ADC temperature coefficient with internal reference
–50
ppm/°C
ADC temperature coefficient with external reference
–20
ppm/°C
VREFLO
–100
A
VREFHI
100
A
ANALOG INPUT
Analog input voltage with internal reference
0
3.3
V
Analog input voltage with external reference
VREFLO
VREFHI
V
VREFLO input voltage
(5)
VSSA
0.66
V
VREFHI input voltage
(6)
2.64
VDDA
V
with VREFLO = VSSA
1.98
VDDA
Input capacitance
5
pF
Input leakage current
±2
μA
(1)
INL will degrade when the ADC input voltage goes above VDDA.
(2)
1 LSB has the weighted value of full-scale range (FSR)/4096. FSR is 3.3 V with internal reference and VREFHI - VREFLO for external
reference.
(3)
For more details, see the TMS320F28069, TMS320F28068, TMS320F28067, TMS320F28066, TMS320F28065, TMS320F28064,
TMS320F28063, TMS320F28062 Piccolo MCU Silicon Errata (literature number SPRZ342).
(4)
Periodic self-recalibration will remove system-level and temperature dependencies on the ADC zero offset error.
(5)
VREFLO is always connected to VSSA on the 80-pin PN and PFP devices.
(6)
VREFHI must not exceed VDDA when using either internal or external reference modes. Since VREFHI is tied to ADCINA0 on the 80-pin PN
and PFP devices, the input signal on ADCINA0 must not exceed VDDA.
86
Peripheral and Electrical Specifications
Copyright 2010–2012, Texas Instruments Incorporated
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