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参数资料
| 型号： | MSP430F148IRTDT |
| 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, PQCC64 |
| 封装： | GREEN, PLASTIC, QFN-64 |
| 文件页数： | 32/65页 |
| 文件大小： | 1216K |
| 代理商： | MSP430F148IRTDT |
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MSP430x13x, MSP430x14x, MSP430x14x1
MIXED SIGNAL MICROCONTROLLER
SLAS272F JULY 2000 REVISED JUNE 2004
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
MIN
NOM
MAX
UNIT
ISENSOR
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
3 V
60
160
A
VSENSOR
ADC12ON = 1, INCH = 0Ah,
2.2 V
986
±5%
mV
VSENSOR
ADC12ON = 1, INCH = 0Ah,
TA = 0°C
3 V
986
±5%
mV
TCSENSOR
ADC12ON = 1, INCH = 0Ah
2.2 V
3.55
±3%
mV/
°C
TCSENSOR
ADC12ON = 1, INCH = 0Ah
3 V
3.55
±3%
mV/
°C
tSENSOR(sample)
Sample time required if channel
ADC12ON = 1, INCH = 0Ah,
2.2 V
30
s
tSENSOR(sample)
Sample time required if channel
10 is selected (see Note 2)
ADC12ON = 1, INCH = 0Ah,
Error of conversion result
≤ 1 LSB 3 V
30
s
IVMID
Current into divider at channel 11
ADC12ON = 1, INCH = 0Bh
2.2 V
NA
A
IVMID
Current into divider at channel 11
(see Note 3)
ADC12ON = 1, INCH = 0Bh
3 V
NA
A
VMID
AVCC divider at channel 11
ADC12ON = 1, INCH = 0Bh,
2.2 V
1.1
±0.04
V
VMID
AVCC divider at channel 11
ADC12ON = 1, INCH = 0Bh,
VMID is ~0.5 x VAVCC
3 V
1.5
1.50
±0.04
V
tVMID(sample)
Sample time required if channel
ADC12ON = 1, INCH = 0Bh,
2.2 V
1400
ns
tVMID(sample)
Sample time required if channel
11 is selected (see Note 4)
ADC12ON = 1, INCH = 0Bh,
Error of conversion result
≤ 1 LSB 3 V
1220
ns
Not production tested, limits characterized
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). Therefore it includes the constant current through the sensor and the reference.
2. The typical equivalent impedance of the sensor is 51 k
. The sample time required includes the sensor-on time tSENSOR(on).
3. No additional current is needed. The VMID is used during sampling.
4. The on-time tVMID(on) is included in the sampling time tVMID(sample); no additional on time is needed.
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