參數(shù)資料
型號： MSP430F2619SKGD1
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, UUC82
封裝： DIE-82
文件頁數(shù)： 61/90頁
文件大?。?/td> 1141K
代理商： MSP430F2619SKGD1
SLAS697A
– MARCH 2010 – REVISED FEBRUARY 2011
12-Bit ADC Temperature Sensor and Built-In VMID – Electrical Characteristics
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
40
120
Operating supply current into
REFON = 0, INCH = 0Ah,
ISENSOR
μA
AVCC terminal
(1)
ADC12ON = 1, TA = 25°C
3 V
60
160
ADC12ON = 1, INCH = 0Ah,
VSensor
(2)
Sensor output voltage(3)
2.2 V/3 V
986
mV
TA = 0°C
TCSENSOR
(2)
ADC12ON = 1, INCH = 0Ah
2.2 V/3 V
3.55
mV/
°C
Sample time required
ADC12ON = 1, INCH = 0Ah,
tSensor(sample)
(2)
2.2 V/3 V
30
μs
if channel 10 is selected (4)
Error of conversion result
≤ 1 LSB
2.2 V
NA
Current into divider
IVMID
ADC12ON = 1, INCH = 0Bh
μA
at channel 11(5)
3 V
NA
2.2 V
1.1
±0.04
ADC12ON = 1, INCH = 0Bh,
VMID
AVCC divider at channel 11
V
VMID is 0.5 × VAVCC
3 V
1.5 1.5
±0.04
2.2 V
1400
Sample time required
ADC12ON = 1, INCH = 0Bh,
tVMID(sample)
ns
if channel 11 is selected (6)
Error of conversion result
≤ 1 LSB
3 V
1220
(1)
The sensor current ISENSOR is consumed if (ADC12ON = 1 and REFON = 1) or (ADC12ON = 1 and INCH = 0Ah and sample signal is
high). When REFON = 1, ISENSOR is included in IREF+. When REFON = 0, ISENSOR applies during conversion of the temperature sensor
input (INCH = 0Ah).
(2)
Limits characterized
(3)
The temperature sensor offset can be as much as
±20°C. A single-point calibration is recommended to minimize the offset error of the
built-in temperature sensor.
(4)
The typical equivalent impedance of the sensor is 51 k
. The sample time required includes the sensor-on time tSENSOR(on).
(5)
No additional current is needed. The VMID is used during sampling.
(6)
The on-time tVMID(on) is included in the sampling time tVMID(sample); no additional on time is needed.
12-Bit DAC Supply Specifications
– Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TA
VCC
MIN
TYP
MAX
UNIT
AVCC = DVCC,
AVCC
Supply voltage range
2.2
3.6
V
AVSS = DVSS = 0 V
-40
°C to 85°C
50
110
DAC12AMPx = 2, DAC12IR = 0,
DAC12_xDAT = 0x0800
105
°C
69
150
DAC12AMPx = 2, DAC12IR = 1,
DAC12_xDAT = 0x0800,
50
130
VeREF+ = VREF+ = AVCC
Supply current,
IDD
2.2 V/3 V
μA
DAC12AMPx = 5, DAC12IR = 1,
single DAC channel(1) (2)
DAC12_xDAT = 0x0800,
200
440
VeREF+ = VREF+ = AVCC
DAC12AMPx = 7, DAC12IR = 1,
DAC12_xDAT = 0x0800,
700
1500
VeREF+ = VREF+ = AVCC
DAC12_xDAT = 800h, VREF =
1.5 V,
70
ΔAVCC = 100 mV
Power-supply rejection
PSSR
2.2 V/3 V
dB
ratio(3)(4)
DAC12_xDAT = 800h, VREF =
1.5 V or 2.5 V,
70
ΔAVCC = 100 mV
(1)
No load at the output pin, DAC12_0 or DAC12_1, assuming that the control bits for the shared pins are set properly.
(2)
Current into reference terminals not included. If DAC12IR = 1 current flows through the input divider; see Reference Input specifications.
(3)
PSRR = 20
× log{ΔAVCC/ΔVDAC12_xOUT}
(4)
VREF is applied externally. The internal reference is not used.
64
2010–2011, Texas Instruments Incorporated
Product Folder Link(s): MSP430F2619S-HT
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