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参数资料
型号： MSP430F439IPN
厂商： TEXAS INSTRUMENTS INC
元件分类： 微控制器/微处理器
英文描述： 16-BIT, FLASH, RISC MICROCONTROLLER, PQFP80
封装： GREEN. PLASTIC, LQFP-80
文件页数： 32/67页
文件大小： 1105K
代理商： MSP430F439IPN
MSP430F43x
MIXED SIGNAL MICROCONTROLLER
SLAS713 -- JUNE 2010
38
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12-bit ADC, temperature sensor and built-in VMID
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
I
Operating supply current into
REFON = 0, INCH = 0Ah,
2.2 V
40
120
A
ISENSOR
Operating supply current into
AVCC terminal (see Note 1)
REFON = 0, INCH = 0Ah,
ADC12ON=NA, TA =25_C
3V
60
160
A
V
(see Note 2)
ADC12ON = 1, INCH = 0Ah,
2.2 V/
986
mV
VSENSOR
(see Note 2)
ADC12ON = 1, INCH = 0Ah,
TA =0°C
2.2 V/
3V
986
mV
TC
ADC12ON 1 INCH 0Ah
2.2 V/
3 55 3%
mV/°C
TCSENSOR
ADC12ON = 1, INCH = 0Ah
2.2 V/
3V
3.55±3%
mV/°C
t
Sample time required if
channel 10 is selected
ADC12ON = 1, INCH = 0Ah,
2.2 V
30
s
tSENSOR(sample)
channel 10 is selected
(see Note 3)
ADC12ON = 1, INCH = 0Ah,
Error of conversion result ≤ 1LSB 3V
30
s
I
Current into divider at
ADC12ON 1 INCH 0Bh
2.2 V
NA
A
IVMID
Current into divider at
channel 11 (see Note 4)
ADC12ON = 1, INCH = 0Bh,
3V
NA
A
V
AV
di ider at channel 11
ADC12ON = 1, INCH = 0Bh,
2.2 V
1.1
1.1±0.04
V
VMID
AVCC divider at channel 11
ADC12ON = 1, INCH = 0Bh,
VMID is ~0.5 x VAVCC
3V
1.5 1.50±0.04
V
t
Sample time required if
channel 11 is selected
ADC12ON = 1, INCH = 0Bh,
2.2 V
1400
ns
tVMID(sample)
channel 11 is selected
(see Note 5)
ADC12ON = 1, INCH = 0Bh,
Error of conversion result ≤ 1LSB 3V
1220
ns
NOTES: 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 already included in IREF+.
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.
3. The typical equivalent impedance of the sensor is 51 k. The sample time required includes the sensor-on time tSENSOR(on)
4. No additional current is needed. The VMID is used during sampling.
5. The on-time tVMID(on) is included in the sampling time tVMID(sample); no additional on time is needed.
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