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参数资料
| 型号： | MSP430F1232IRHBT |
| 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, PQCC32 |
| 封装： | PLASTIC, QFN-32 |
| 文件页数： | 21/52页 |
| 文件大小： | 1174K |
| 代理商： | MSP430F1232IRHBT |
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MSP430x11x2, MSP430x12x2
MIXED SIGNAL MICROCONTROLLER
SLAS361D JANUARY 2002 REVISED AUGUST 2004
28
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
10-bit ADC, temperature sensor and built-in VMID
PARAMETER
TEST CONDITIONS
VCC
MIN
NOM
MAX
UNIT
Operating supply current into
REFON = 0, INCH = 0Ah,
2.2 V
40
120
ISENSOR
Operating supply current into
VCC terminal (see Note 1)
REFON = 0, INCH = 0Ah,
ADC10ON=NA, TA = 25_C
3 V
60
160
A
ADC10ON = 1, INCH = 0Ah,
2.2 V
986
±5%
VSENSOR
ADC10ON = 1, INCH = 0Ah,
TA = 0°C
3 V
986
±5%
mV
2.2 V
3.55
±3%
°
TCSENSOR
ADC10ON = 1, INCH = 0Ah
3 V
3.55
±3%
mV/
°C
Sample time required if channel
ADC10ON = 1, INCH = 0Ah,
2.2 V
30
tSENSOR(sample)
Sample time required if channel
10 is selected (see Note 2)
ADC10ON = 1, INCH = 0Ah,
Error of conversion result
≤ 1 LSB 3 V
30
s
Current into divider at channel 11
2.2 V
NA
IVMID
Current into divider at channel 11
(see Note 3)
ADC10ON = 1, INCH = 0Bh,
3 V
NA
A
ADC10ON = 1, INCH = 0Bh,
2.2 V
1.1
±0.04
VMID
VCC divider at channel 11
ADC10ON = 1, INCH = 0Bh,
VMID is ~0.5 x VCC
3 V
1.5
1.50
±0.04
V
Sample time required if channel
ADC10ON = 1, INCH = 0Bh,
2.2 V
1400
tVMID(sample)
Sample time required if channel
11 is selected (see Note 4)
ADC10ON = 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 (ADC10ON = 1 and REFON = 1), or (ADC10ON=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. 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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