參數(shù)資料
型號： MSP430BT5190IZQW
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： RISC MICROCONTROLLER, PBGA113
封裝： LEAD FREE, PLASTIC, BGA-113
文件頁數(shù)： 59/97頁
文件大?。?/td> 724K
代理商： MSP430BT5190IZQW
PRODUCTPREVIEW
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Ambient Temperature - C
MSP430BT5190
SLAS703 – APRIL 2010
www.ti.com
12-Bit ADC, Temperature Sensor and Built-In VMID
(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
2.2 V
680
ADC12ON = 1, INCH = 0Ah,
VSENSOR
See (2)
mV
TA = 0°C
3 V
680
2.2 V
2.25
TCSENSOR
ADC12ON = 1, INCH = 0Ah
mV/°C
3 V
2.25
2.2 V
30
Sample time required if
ADC12ON = 1, INCH = 0Ah,
tSENSOR(sample)
s
channel 10 is selected(3)
Error of conversion result
≤ 1 LSB
3 V
30
AVCC divider at channel 11,
ADC12ON = 1, INCH = 0Bh
0.48
0.5
0.52 VAVCC
VAVCC factor
VMID
2.2 V
1.06
1.1
1.14
AVCC divider at channel 11
ADC12ON = 1, INCH = 0Bh
V
3 V
1.44
1.5
1.56
Sample time required if
ADC12ON = 1, INCH = 0Bh,
tVMID(sample)
2.2 V/3 V
1000
ns
channel 11 is selected(4)
Error of conversion result
≤ 1 LSB
(1)
The temperature sensor is provided by the REF module. Please refer to the REF module parametric, IREF+, regarding the current
consumption of the temperature sensor.
(2)
The temperature sensor offset can be as much as ±20°C. A single-point calibration is recommended in order to minimize the offset error
of the built-in temperature sensor. The TLV structure contains calibration values for 30°C ± 3°C and 85°C ± 3°C for each of the available
reference voltage levels. The sensor voltage can be computed as VSENSE = TCSENSOR × (Temperature,°C) + VSENSOR, where TCSENSOR
and VSENSOR can be computed from the calibration values for higher accuracy. See also the MSP430x5xx Family User's Guide
(3)
The typical equivalent impedance of the sensor is 51 k
. The sample time required includes the sensor-on time tSENSOR(on).
(4)
The on-time tVMID(on) is included in the sampling time tVMID(sample); no additional on time is needed.
Figure 16. Typical Temperature Sensor Voltage
62
Copyright 2010, Texas Instruments Incorporated
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相關代理商/技術參數(shù)
參數(shù)描述
MSP430BT5190IZQWR 功能描述:16位微控制器 - MCU MSP430BT5190 Mixed Sig MCU 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 安裝風格:SMD/SMT
MSP430BT5190IZQWT 功能描述:16位微控制器 - MCU MSP430BT5190 Mixed Sig MCU 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 安裝風格:SMD/SMT
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