参数资料
| 型号： | AS8501-ASOT |
| 厂商： | ams |
| 文件页数： | 7/41页 |
| 文件大小： | 0K |
| 描述： | IC CURRENT MEASURE SOLAR 16-SOIC |
| 标准包装： | 1,500 |
| 类型： | 数据采集系统（DAS） |
| 输入类型： | 模拟，数字 |
| 输出类型： | 模拟，数字 |
| 接口： | 串行 |
| 电流 - 电源： | 5mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
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AS8501 - Data Sheet
austriamicrosystems
Revision 1.1, 04-April-06
www.austriamicrosystems.com
Page 14 of 40
After that the circuit returns in power-down for approximately 1s. During this time the last measurement (MSR register) is available on the SDI interface.
In this intermediate sleep-mode all modules except internal oscillator and divider are in power-down mode. The SDI interface works independent which
means that the measurement result is available by reading the MSR register. At any time the microprocessor can start any other mode via SDI. In such
a case the external clock must be switched on first.
The chip goes in MWU mode (mode 3) after it received the command for that. After that command 6 or more additional CLK pulses are needed before
external clock may go to power down mode (no CLK pulses, high level because of internal pull-up resistors). This 6 CLK pulses are needed for
synchronisation. On the way back to normal mode this restriction is not needed.
Mode 4: MAM
In this alarm mode the measurement defined in CRA is going on. The channel bit in the THR register must be cleared (channel A). The threshold value
may be positive or negative. Whenever the measured value exceeds the digital threshold value in the THR register the pin INTN (in this mode its
function is to signal alarm-condition) goes LO for one clock cycle. For negative threshold value the signed measurement result must be more negative
than the THR value to activate the alarm. During measurements the signal INTN is high. All modules are in power-up, measurements are continuously
going on.
Mode 5: MZP
Zener-Zap programming/reading. This mode for factory programming only and should not be used by the customer.
Mode 6: MPD
Power down mode. Individual analog blocks can be disabled/enabled. The data acquisition system is not running during this mode is activated.
Mode 7: MSI
The operation in this mode is exactly the same as in MMS mode except that the internal clock is used.
The SDI interface signals can become active whenever appropriate. This mode can be used if no external clock CLK is available. The measuring speed
is reduced by a factor of 16.
Modes 8-15: These modes are reserved for testing purposes and should not be used by the customer. Reading and writing of some registers is only
possible in these higher modes. Write to registers CAR (calibration register) and TRR (trimming register) is allowed only in test modes.
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相关代理商/技术参数 |
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| AS8501-ASOU | 功能描述:IC DATA ACQ 16-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 |
| AS8501T&R | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:High precision voltage and current measurement sensor interface |
| AS8501TR | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:High precision voltage and current measurement sensor interface |
| AS8501TUB | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:High precision voltage and current measurement sensor interface |
| AS85049-32-1 | 制造商:GLENAIR 制造商全称:Glenair, Inc. 功能描述:90° Adapter, Non-Environmental, RFI |
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