參數(shù)資料
型號: EVAL-AD5522EBUZ
廠商: Analog Devices Inc
文件頁數(shù): 42/64頁
文件大小: 0K
描述: BOARD EVAL FOR 12X12MM AD5522
標(biāo)準(zhǔn)包裝: 1
主要目的: 測試與測量,參數(shù)測量單元(PMU)
已用 IC / 零件: AD5522
已供物品:
Data Sheet
AD5522
Rev. E | Page 47 of 64
Bit
Bit Name
Description
7
GAIN1
MEASOUTx output range. The MEASOUTx range defaults to the force voltage span for voltage and current
measurements, which includes some overrange to allow for offset correction. The nominal output voltage range is
±11.25 V with the default offset DAC setting, but changes for other offset DAC settings when GAIN1 = 0.
Therefore, the MEASOUTx range can be an asymmetrical bipolar voltage range. GAIN1 = 1 enables a unipolar
output voltage range, which allows the use of asymmetrical supplies or a smaller input range ADC. See Table 10
and Table 11 for more details.
6
GAIN0
MEASOUT
Function
Measure
Current
Gain
Output Voltage Range for VREF = 5 V, Offset DAC = 0xA492
GAIN1 = 0, MEASOUT Gain = 1
GAIN1 = 1, MEASOUT Gain = 0.2
MV
5 or 10
±VDUT (up to ±11.25 V)
0 V to 4.5 V
MI (GAIN0 = 0)
10
±IDUT × RRSENSE × 10 + VMID (up to ±11.25 V)
0 V to 4.5 V
MI (GAIN0 = 1)
5
±IDUT × RRSENSE × 5 + VMID (up to ±5.625 V)
0 V to 2.25 V
5
TMP ENABLE
Thermal shutdown feature. To disable the thermal shutdown feature, set the TMP ENABLE bit to 0 (thermal
shutdown is enabled by default).
4
TMP1
The TMP1 and TMP0 bits allow the user to program the temperature that triggers thermal shutdown.
3
TMP0
TMP ENABLE
TMP1
TMP0
Action
0
X
Thermal shutdown disabled.
1
X
Thermal shutdown enabled.
1
0
Shutdown at junction temperature of 130°C (power-on default).
1
0
1
Shutdown at junction temperature of 120°C.
1
0
Shutdown at junction temperature of 110°C.
1
Shutdown at junction temperature of 100°C.
2
Latched
Configure the open-drain pin (CGALM) as a latched or unlatched output pin. When high, this bit configures the
CGALM alarm output as a latched output, allowing it to drive a controller I/O without needing to poll the line
constantly. The power-on default for this pin is unlatched.
1
0
Unused bits. Set to 0.
0 (LSB)
0
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