參數(shù)資料
型號(hào)： MSP430FG438IPN
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： GREEN, PLASTIC, QFP-80
文件頁數(shù)： 33/73頁
文件大?。?/td> 1121K
代理商： MSP430FG438IPN
MSP430FG43x
MIXED SIGNAL MICROCONTROLLER
SLAS380C APRIL 2004 REVISED MARCH 2011
39
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12-bit DAC, linearity specifications (see Figure 21)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
Resolution
(12-bit Monotonic)
12
bits
INL
Integral nonlinearity
Vref = 1.5 V
DAC12AMPx = 7, DAC12IR = 1
2.2V
±20
±80
LSB
INL
Integral nonlinearity
(see Note 1)
Vref = 2.5 V
DAC12AMPx = 7, DAC12IR = 1
3V
±2.0
±8.0
LSB
DNL
Differential nonlinearity
Vref = 1.5 V
DAC12AMPx = 7, DAC12IR = 1
2.2V
±04
±10
LSB
DNL
Differential nonlinearity
(see Note 1)
Vref = 2.5 V
DAC12AMPx = 7, DAC12IR = 1
3V
±0.4
±1.0
LSB
Offset voltage w/o
calibration
Vref = 1.5 V
DAC12AMPx = 7, DAC12IR = 1
2.2V
±21
EO
calibration
(see Notes 1, 2)
Vref = 2.5 V
DAC12AMPx = 7, DAC12IR = 1
3V
±21
mV
Offset voltage with
calibration
Vref = 1.5 V
DAC12AMPx = 7, DAC12IR = 1
2.2V
±25
mV
calibration
(see Notes 1, 2)
Vref = 2.5 V
DAC12AMPx = 7, DAC12IR = 1
3V
±2.5
dE(O)/dT
Offset error
temperature coefficient
(see Note 1)
2.2V/3V
±30
μV/C
E
Gain error (see Note 1)
VREF = 1.5 V
2.2V
±350 % FSR
EG
Gain error (see Note 1)
VREF = 2.5 V
3V
±3.50 % FSR
dE(G)/dT
Gain temperature
coefficient (see Note 1)
2.2V/3V
10
ppm of
FSR/
°C
Time for offset calibration
DAC12AMPx=2
2.2V/3V
100
tOffset_Cal
Time for offset calibration
(see Note 3)
DAC12AMPx=3,5
2.2V/3V
32
ms
tOffset_Cal
(see Note 3)
DAC12AMPx=4,6,7
2.2V/3V
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) * (VeREF+/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 21. Linearity Test Load Conditions and Gain/Offset Definition
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MSP430FG438IPNR 功能描述:16位微控制器 - MCU 48KB Flash 2KB RAM 12ADC/2DAC 128sLCD 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(shí)鐘頻率:24 MHz 程序存儲(chǔ)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
MSP430FG439IPN 功能描述:16位微控制器 - MCU 60KB Flash 2KB RAM 12ADC/2DAC 128sLCD 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(shí)鐘頻率:24 MHz 程序存儲(chǔ)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
MSP430FG439IPN 制造商:Texas Instruments 功能描述:16-Bit Microcontroller IC 制造商:Texas Instruments 功能描述:IC, 16BIT MCU, MSP430, 8MHz, LQFP-80
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MSP430FG4616IPZ 功能描述:16位微控制器 - MCU 16-Bit Ultra LP MCU 92KB Flash 4KB 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(shí)鐘頻率:24 MHz 程序存儲(chǔ)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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