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参数资料
| 型号： | ADE7761BARSZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/24页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 1PHASE 20SSOP |
| 标准包装： | 1,500 |
| 输入阻抗： | 790 千欧 |
| 测量误差： | 0.1% |
| 电压 - 高输入/输出： | 2.4V |
| 电压 - 低输入/输出： | 0.8V |
| 电流 - 电源： | 3.65mA |
| 电源电压： | 4.75 V ~ 5.25 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： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 带卷 (TR) |
ADE7761B
ABSOLUTE MAXIMUM RATINGS
T A = 25°C, unless otherwise noted.
Table 3.
Parameter
V DD to AGND
Analog Input Voltage to AGND
V 1A , V 1B , V 1N , V 2N , V 2P , MISCAL
Reference Input Voltage to AGND
Digital Input Voltage to DGND
Digital Output Voltage to DGND
Operating Temperature Range
Industrial
Storage Temperature Range
Junction Temperature
20-Lead SSOP, Power Dissipation
θ JA Thermal Impedance
Lead Temperature, Soldering
Vapor Phase (60 sec)
Infrared (15 sec)
Rating
?0.3 V to +7 V
?6 V to +6 V
?0.3 V to V DD + 0.3 V
?0.3 V to V DD + 0.3 V
?0.3 V to V DD + 0.3 V
?40°C to +85°C
?65°C to +150°C
150°C
450 mW
112°C/W
215°C
220°C
PERFORMANCE ISSUES THAT MAY AFFECT
BILLING ACCURACY
The ADE7761B provides pulse outputs, CF, F1, and F2, that are
intended to be used for the billing of active energy. Pulses are
generated at these outputs in two different situations.
Case 1
When the analog input V 2P ? V 2N complies with the conditions
described in Figure 34, the CF, F 1 , and F 2 frequencies are
proportional to active power and can be used to bill active energy.
Case 2
When the analog input V 2P ? V 2N does not comply with the
conditions described in Figure 34, the ADE7761B does not
measure active energy but a quantity proportional to kiloampere-
hours (kAh). This quantity is used to generate pulses on the
same CF, F1, and F2. This situation is indicated when the
FAULT pin is high.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
Analog Devices, Inc., cautions users of the ADE7761B about the
following:
? Billing active energy in Case 1 is consistent with the under-
standing of the quantity represented by pulses on the CF, F1,
and F2 outputs (watthour).
? Billing active energy while the ADE7761B is in Case 2 must
be decided knowing that the entity measured by the ADE7761B
in this case is ampere-hour and not watthour. Users should
be aware of this limitation and decide if the ADE7761B is
appropriate for their application.
ESD CAUTION
Rev. 0 | Page 5 of 24
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