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参数资料
| 型号： | ADE7753ARSZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 49/60页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 1PHASE 20SSOP |
| 标准包装： | 66 |
| 输入阻抗： | 390 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： | 3mA |
| 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： | 管件 |
| 产品目录页面： | 797 (CN2011-ZH PDF) |
| 配用： | EVAL-ADE7753ZEB-ND - BOARD EVALUATION AD7753 |
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ADE7753
ADE7753 SERIAL INTERFACE
All ADE7753 functionality is accessible via several on-chip
registers—see Figure 89. The contents of these registers can be
updated or read using the on-chip serial interface. After power-
CS
SCLK
COMMUNICATIONS REGISTER WRITE
on or toggling the RESET pin low or a falling edge on CS, the
DIN
0 0
ADDRESS
ADE7753 is placed in communications mode. In communica-
DOUT
MULTIBYTE
READ DATA
tions mode, the ADE7753 expects a write to its communications
register. The data written to the communications register
determines whether the next data transfer operation is a read
or a write and also which register is accessed. Therefore all data
transfer operations with the ADE7753, whether a read or a write,
CS
SCLK
02875-0-079
Figure 90. Reading Data from the ADE7753 via the Serial Interface
must begin with a write to the communications register.
DIN
COMMUNICATIONS REGISTER WRITE
1 0 ADDRESS
MULTIBYTE
READ DATA
DIN
COMMUNICATIONS
REGISTER
Figure 91. Writing Data to the ADE7753 via the Serial Interface
02875-0-080
DOUT
REGISTER 1
REGISTER 2
IN
OUT
IN
OUT
The serial interface of the ADE7753 is made up of four signals:
SCLK, DIN, DOUT, and CS. The serial clock for a data transfer
is applied at the SCLK logic input. This logic input has a
Schmitt-trigger input structure that allows slow rising (and
REGISTER 3
IN
OUT
REGISTER
ADDRESS
DECODE
falling) clock edges to be used. All data transfer operations are
synchronized to the serial clock. Data is shifted into the
ADE7753 at the DIN logic input on the falling edge of SCLK.
Data is shifted out of the ADE7753 at the DOUT logic output
REGISTER n–1
IN
OUT
on a rising edge of SCLK. The CS logic input is the chip-select
input. This input is used when multiple devices share the serial
REGISTER n
IN
OUT
02875-0-078
bus. A falling edge on CS also resets the serial interface and
places the ADE7753 into communications mode. The CS input
Figure 89. Addressing ADE7753 Registers via the Communications Register
The communications register is an 8-bit wide register. The MSB
determines whether the next data transfer operation is a read or
a write. The six LSBs contain the address of the register to be
accessed—see the Communications Register section for a more
detailed description.
read and write operation, respectively. On completion of a data
transfer (read or write), the ADE7753 once again enters
should be driven low for the entire data transfer operation.
Bringing CS high during a data transfer operation aborts the
transfer and places the serial bus in a high impedance state. The
CS logic input can be tied low if the ADE7753 is the only device
on the serial bus. However, with CS tied low, all initiated data
transfer operations must be fully completed, i.e., the LSB of each
register must be transferred because there is no other way of
bringing the ADE7753 back into communications mode
without resetting the entire device by using RESET.
communications mode. A data transfer is complete when the
LSB of the ADE7753 register being addressed (for a write or a
read) is transferred to or from the ADE7753.
Rev. C | Page 49 of 60
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADE7753ARSZ | 制造商:Analog Devices 功能描述:ENERGY METERING IC |
| ADE7753ARSZ | 制造商:Analog Devices 功能描述:IC MULTIFUNCTION METER |
| ADE7753ARSZRL | 功能描述:IC ENERGY METERING 1PHASE 20SSOP 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:* |
| ADE7753-ARSZRL | 制造商:Analog Devices 功能描述: |
| ADE7753XRS | 制造商:Analog Devices 功能描述: |
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