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| 型号： | ADE7758ARWZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/72页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 3PHASE 24SOIC |
| 标准包装： | 31 |
| 输入阻抗： | 380 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： | 8mA |
| 电源电压： | 4.75 V ~ 5.25 V |
| 测量仪表类型： | 3 相 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
| 产品目录页面： | 797 (CN2011-ZH PDF) |
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Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADE7758
APCF 1
DGND 2
DVDD 3
AVDD 4
24
23
22
21
DOUT
SCLK
DIN
CS
IAP 5
ADE7758
20
CLKOUT
IAN 6
IBP 7
TOP VIEW
(Not to Scale)
19 CLKIN
18 IRQ
IBN 8
ICP 9
ICN 10
AGND 11
REF IN/OUT 12
17
16
15
14
13
VARCF
VAP
VBP
VCP
VN
Figure 5. Pin Configuration
Table 4. Pin Function Descriptions
Pin
No.
1
2
3
4
5, 6,
7, 8,
9, 10
11
12
13, 14,
15, 16
Mnemonic
APCF
DGND
DVDD
AVDD
IAP, IAN,
IBP, IBN,
ICP, ICN
AGND
REF IN/OUT
VN, VCP,
VBP, VAP
Description
Active Power Calibration Frequency (APCF) Logic Output. It provides active power information. This output
is used for operational and calibration purposes. The full-scale output frequency can be scaled by writing to
the APCFNUM and APCFDEN registers (see the Active Power Frequency Output section).
This provides the ground reference for the digital circuitry in the ADE7758 , that is, the multiplier, filters, and
digital-to-frequency converter. Because the digital return currents in the ADE7758 are small, it is acceptable to
connect this pin to the analog ground plane of the whole system. However, high bus capacitance on the DOUT
pin can result in noisy digital current that could affect performance.
Digital Power Supply. This pin provides the supply voltage for the digital circuitry in the ADE7758 . The supply
voltage should be maintained at 5 V ± 5% for specified operation. This pin should be decoupled to DGND with
a 10 μF capacitor in parallel with a ceramic 100 nF capacitor.
Analog Power Supply. This pin provides the supply voltage for the analog circuitry in the ADE7758 . The supply
should be maintained at 5 V ± 5% for specified operation. Every effort should be made to minimize power
supply ripple and noise at this pin by the use of proper decoupling. The Typical Performance Characteristics
show the power supply rejection performance. This pin should be decoupled to AGND with a 10 μF capacitor
in parallel with a ceramic 100 nF capacitor.
Analog Inputs for Current Channel. This channel is used with the current transducer and is referenced in this
document as the current channel. These inputs are fully differential voltage inputs with maximum differential
input signal levels of ±0.5 V, ±0.25 V, and ±0.125 V, depending on the gain selections of the internal PGA (see
the Analog Inputs section). All inputs have internal ESD protection circuitry. In addition, an overvoltage
of ±6 V can be sustained on these inputs without risk of permanent damage.
This pin provides the ground reference for the analog circuitry in the ADE7758 , that is, ADCs, temperature sensor,
and reference. This pin should be tied to the analog ground plane or the quietest ground reference in the system.
This quiet ground reference should be used for all analog circuitry, for example, antialiasing filters, current, and
voltage transducers. To keep ground noise around the ADE7758 to a minimum, the quiet ground plane should be
connected to the digital ground plane at only one point. It is acceptable to place the entire device on the analog
ground plane.
This pin provides access to the on-chip voltage reference. The on-chip reference has a nominal value of
2.4 V ± 8% and a typical temperature coefficient of 30 ppm/°C. An external reference source can also be
connected at this pin. In either case, this pin should be decoupled to AGND with a 1 μF ceramic capacitor.
Analog Inputs for the Voltage Channel. This channel is used with the voltage transducer and is referenced as
the voltage channels in this document. These inputs are single-ended voltage inputs with the maximum signal
level of ±0.5 V with respect to VN for specified operation. These inputs are voltage inputs with maximum input
signal levels of ±0.5 V, ±0.25 V, and ±0.125 V, depending on the gain selections of the internal PGA (see the
Analog Inputs section). All inputs have internal ESD protection circuitry, and in addition, an overvoltage of
±6 V can be sustained on these inputs without risk of permanent damage.
Rev. E | Page 9 of 72
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADE7758ARWZ | 制造商:Analog Devices 功能描述:ENERGY METERING IC 制造商:Analog Devices 功能描述:IC, POLY-PHASE ENERGY METERING, SOIC-24 |
| ADE7758ARWZ | 制造商:Analog Devices 功能描述:IC ENERGY METER 3 PHASE SOIC-24 |
| ADE7758ARWZRL | 功能描述:IC ENERGY METERING 3PHASE 24SOIC 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:* |
| ADE7759 | 制造商:AD 制造商全称:Analog Devices 功能描述:Active Energy Metering IC with di/dt Sensor Interface |
| ADE7759ARS | 功能描述:IC ENERGY METERING 1PHASE 20SSOP RoHS:否 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:* |
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