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| 型号： | TMP512AIRSAT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQCC16 |
| 封装： | GREEN, PLASTIC, QFN-16 |
| 文件页数： | 28/61页 |
| 文件大小： | 1758K |
| 代理商： | TMP512AIRSAT |
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SBOS491A
– JUNE 2010 – REVISED MAY 2011
Table 4. PG Bit Settings(1)
PG1
PG0
GAIN
RANGE
0
1
±40mV
0
1
÷2
±80mV
1
0
÷4
±160mV
1
÷8
±320mV
(1)
Shaded values are default.
BADC:
BADC Bus ADC Resolution/Averaging
Bits 10
–7
These bits adjust the Bus ADC resolution (9-, 10-, 11-, or 12-bit) or set the number of samples used when
averaging results for the Bus Voltage Register (05h).
SADC:
SADC Shunt ADC Resolution/Averaging
Bits 6
–3
These bits adjust the Shunt ADC resolution (9-, 10-, 11-, or 12-bit) or set the number of samples used when
averaging results for the Shunt Voltage Register (04h).
BADC (Bus) and SADC (Shunt) ADC resolution/averaging and conversion time settings are shown in Table 5.
Table 5. ADC Settings(1)
ADC4
ADC3
ADC2
ADC1
MODE/SAMPLES
CONVERSION TIME
0
X
(2)
0
9-bit
105
μs
0
X
(2)
0
1
10-bit
185
μs
0
X
(2)
1
0
11-bit
345
μs
0
X
(2)
1
12-bit
665
μs
1
0
12-bit
665
μs
1
0
1
2
1.3ms
1
0
1
0
4
2.58ms
1
0
1
8
5.13ms
1
0
16
10.25ms
1
0
1
32
20.49ms
1
0
64
40.97ms
1
128
81.92ms
(1)
Shaded values are default.
(2)
X = Don
't care.
MODE:
Operating Mode
Bits 2
–0
Selects continuous, triggered, or power-down mode of operation. These bits default to continuous shunt and bus
measurement mode. The mode settings are shown in Table 6.
Table 6. Mode Settings(1)
MODE3
MODE2
MODE1
MODE
0
Power-Down
(2)
0
1
Shunt Voltage, Triggered
(3)
0
1
0
Bus Voltage, Triggered
(3)
0
1
Shunt and Bus, Triggered
(3)
1
0
ADC Off (disabled)
(4)
1
0
1
Shunt Voltage, Continuous
1
0
Bus Voltage, Continuous
1
Shunt and Bus, Continuous
(1)
Shaded values are default.
(2)
Combination
'000' stops converter immediately.
(3)
In triggered modes the converter goes to power down. It can be triggered by a write of
'1' to bit 14
(One-Shot) in Configuration Register 1 or by the delay scheme of the temperature sensor core. See
(4)
Combination
'100' stops the converter at conversion end.
34
Copyright
2010–2011, Texas Instruments Incorporated
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