参数资料
型号: MSP430FG437IPNR
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PQFP80
封装: GREEN, PLASTIC, QFP-80
文件页数: 33/73页
文件大小: 1121K
代理商: MSP430FG437IPNR
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
相关PDF资料
PDF描述
MK2058-01SILFTR OTHER CLOCK GENERATOR, PDSO20
MPC8250AZQNJDX 32-BIT, 291 MHz, RISC PROCESSOR, PBGA516
MC68HC05B32BE 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP56
MC68HRC705J1ACPE 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP20
MC908AB32CFUE 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64
相关代理商/技术参数
参数描述
MSP430FG438IPN 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 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT
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 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格: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 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格: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
MSP430FG439IPNR 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 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT