參數(shù)資料
型號： MSP430FG478IPNR
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PQFP80
封裝： PLASTIC, QFP-80
文件頁數(shù)： 42/91頁
文件大?。?/td> 1568K
代理商： MSP430FG478IPNR
MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
47
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12-bit DAC, linearity specifications (see Figure 20)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
INL
Integral nonlinearity
(see Note 1)
VREF,DAC12 =1.2 VorVREF,ext =2.5 V
DAC12AMPx = 7, DAC12IR = 1
2.7 V
2.0
8.0
LSB
DNL
Differential nonlinearity
VREF,ext =1.2 V
DAC12AMPx = 7, DAC12IR = 1
2.7 V
--1
0.4
+1.3
LSB
DNL
Differential nonlinearity
(see Note 1)
VREF,ext =2.5 V
DAC12AMPx = 7, DAC12IR = 1
2.7 V
0.4
1.0
LSB
DNL
Differential nonlinearity
(see Note 1)
VREF,DAC12 =1.2 V
DAC12AMPx = 7, DAC12IR = 1
2.7 V
0.4
1.0
LSB
E
Offset voltage without
calibration
(see Notes 1, 2)
VREF,DAC12 =1.2 V
DAC12AMPx = 7, DAC12IR = 1
2.7 V
20
mV
EO
Offset voltage with
calibration
(see Notes 1, 2)
VREF,DAC12 =1.2 V
DAC12AMPx = 7, DAC12IR = 1
2.7 V
2.5
mV
dE(O)/dT
Offset error temperature
coefficient (see Note 1)
2.7 V
30
V/C
EG
Gain error(seeNote1)
VREF,DAC12 =1.2 V
2.7 V
3.50
%FSR
dE(G)/dT
Gain temperature
coefficient (see Note 1)
2.7 V
10
ppm of
FSR/C
Time for offset calibration
DAC12AMPx = 2
2.7 V
100
tOffset Cal
Time for offset calibration
(see Note 3)
DAC12AMPx = 3,5
2.7 V
32
ms
tOffset_Cal
(see Note 3)
DAC12AMPx = 4,6,7
2.7 V
6
ms
NOTES: 1. Parameters calculated from the best-fit curve from 0x0A to 0xFFF. The best-fit curve method is used to deliver coefficients “a” and
“b” of the first order equation: y = a + b*x. VDAC12_xOUT =EO +(1+EG)*(VREF,DAC12/4095) * DAC12_xDAT, DAC12IR = 1.
2. The offset calibration works on the output operational amplifier. Offset Calibration is triggered setting bit DAC12CALON
3. The offset calibration can be done if DAC12AMPx = {2, 3, 4, 5, 6, 7}. The output operational amplifier is switched off with DAC12AMPx
= {0, 1}. It is recommended that the DAC12 module be configured prior to initiating calibration. Port activity during calibration may
effect accuracy and is not recommended.
Positive
Negative
VR+
Gain Error
Offset Error
DAC Code
DAC VOUT
Ideal transfer
function
RLoad =
AVCC
CLoad = 100pF
2
DAC Output
Figure 20. Linearity Test Load Conditions and Gain/Offset Definition
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSP430FG478IZQW 功能描述:16位微控制器 - MCU 16B Ultra-Lo-Pwr MCU 48KB Fl 2KB RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430FG478IZQWR 功能描述:16位微控制器 - MCU 16B Ultra-Lo-Pwr MCU 48KB Fl 2KB RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430FG479IPN 功能描述:16位微控制器 - MCU 16B Ult-Lo-Pwr MCU 32KB Fl 2KB RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430FG479IPNR 功能描述:16位微控制器 - MCU 16B Ult-Lo-Pwr MCU 32KB Fl 2KB RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430FG479IZQW 功能描述:16位微控制器 - MCU 16B Ultra-Lo-Pwr MCU 32KB Fl 2KB RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
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