參數(shù)資料
型號(hào): ADUC7032BSTZ-8V-RL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 92/128頁(yè)
文件大?。?/td> 0K
描述: IC BATTERY SENSOR PREC 48-LQFP
標(biāo)準(zhǔn)包裝: 1
系列: MicroConverter® ADuC7xxx
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 20.48MHz
連通性: LIN,SPI,UART/USART
外圍設(shè)備: POR,PSM,溫度傳感器,WDT
輸入/輸出數(shù): 9
程序存儲(chǔ)器容量: 96KB(48K x 16)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 1.5K x 32
電壓 - 電源 (Vcc/Vdd): 3.5 V ~ 18 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 2x16b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 105°C
封裝/外殼: 48-LQFP
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: ADUC7032BSTZ-8V-RLDKR
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Preliminary Technical Data
ADuC7032
Rev. PrD | Page 66 of 128
Temperature ADC Diagnostics
The ADuC7032 features the capability to detect Open Circuit
conditions on the Temperature Channel inputs. This is
accomplished using the two current sources on VTEMP+ and
GND_SW, which is controlled via ADC2CON[14,13].
The use of both the VTEMP+ and GND_SW current sources is
shown in Table 34.
To verify the Temperature ADC is converting correctly, it is
possible to select an internal test voltage via ADC2CON[7,6].
Selecting mode 10 results in the current ADC converting the
Voltage Reference, e.g. The Precision 1.2V Reference, divided
by 136.
Table 33: Current ADC Diagnostics
Fault Condition
Current Source
Enabled
ADC0DAT Result
Short between IIN+ and IIN-
at pins of device
IIN+ or IIN-
No difference between ADC0DAT result prior to and after IIN+
(or IIN-) current source is enabled
Short Between IIN+ and GND
IIN+
No difference between ADC0DAT result prior to and after IIN+
current source is enabled
Short Between IIN- and GND
IIN-
No difference between ADC0DAT result prior to and after IIN-
current source is enabled
IIN+ Open Circuit
IIN+
Positive Full Scale ( 0x7FFF in Bi Polar Mode )
IIN- Open Circuit
IIN-
Negative Full Scale ( 0x8000 in Bi Polar Mode )
Table 34: Temperature ADC Diagnostics
Fault Condition
Current Source
Enabled
ADC0DAT Result
Short between VTEMP+ and
GND_SW at pins of device
VTEMP+ or GND_SW
No difference between reading prior to and after VTEMP+ or
GND_SW current source is enabled
Short Between VTEMP+ and
GND
VTEMP+
No difference between reading prior to and after VTEMP+
current source is enabled
Short Between GND_SW and
GND
GND_SW
No difference between reading prior to and after GND_SW
current source is enabled
VTEMP+ Open Circuit
VTEMP+
Positive Full Scale ( 0x7FFF in Bi Polar Mode )
GND_SW Open Circuit
GND_SW
Negative Full Scale ( 0x8000 in Bi Polar Mode )
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