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| 型号： | 78M6610+PSU/C00 |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/63页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY MEASURMENT 1PH 16TSSOP |
| 标准包装： | 96 |
| 输入阻抗： | 30 千欧 ~ 90 千欧 |
| 电压 - 高输入/输出： | 2V |
| 电压 - 低输入/输出： | 0.8V |
| 电流 - 电源： | 8.1mA |
| 电源电压： | 3 V ~ 3.6 V |
| 测量仪表类型： | 单相 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 管件 |
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78M6610+PSU Data Sheet
1.1
Clock Management
The 78M6610+PSU can be clocked by either the trimmed internal RC oscillator or by oscillator circuitry
that relies on an external crystal. The 78M6610+PSU hardware automatically handles the clock sources
logic and distributes the clock to the rest of the device.
Upon reset or power-on, the 78M6610+PSU will automatically select the external clock, if available, after
1024 clock cycles of the internal oscillator, allowing the external crystal adequate time to start-up. After
power-on or during run-time, the 78M6610+PSU will automatically switch to the internal oscillator in the
event of a failure with the external oscillator (or crystal not mounted). This condition is also monitored by
the processor and available to the user in the ALARMS register.
The internal RC oscillator is trimmed and temperature compensated. It provides an accurate clock
source, however for applications requiring highest line frequency accuracy, the use of an external crystal
is recommended (only available in the 24-pin QFN package).
The 78M6610+PSU external clock circuitry requires a 20.000 MHz crystal. The circuitry includes two
18pF ceramic capacitors. Figure 2 shows the typical connection of the external crystal. This oscillator is
self biasing and therefore an external resistor should NOT be connected across the crystal.
18pF
XIN
20.000MHz
XOUT
18pF
78M6610+PSU/ B
Figure 2: XTAL Connection
Alternatively, an external clock signal can be utilized instead of the crystal. In this case, the external clock
should be connected to the XOUT pin while the XIN pin should be connected to GNDD.
If the external crystal is not utilized (not mounted), the XOUT pin should be connected to GNDD and the
XIN pin left unconnected.
Rev 1
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 78M6611-EVM | 制造商:Maxim Integrated Products 功能描述:78M6611 EVAL BOARD - Boxed Product (Development Kits) |
| 78M6611-IVT/F | 功能描述:IC POWER MEASUREMENT AC 24-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| 78M6611-IVT/F/P | 制造商:Maxim Integrated Products 功能描述:PROGRAMMED - LEAD FREE - Rail/Tube |
| 78M6611-IVTR/F | 功能描述:IC POWER MEASUREMENT AC 24-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| 78M6611-IVTR/F/P | 制造商:Maxim Integrated Products 功能描述:PROGRAMMED - LEAD FREE/TAPE & REEL - Tape and Reel |
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