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参数资料
| 型号： | ADE7753ARSZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 51/60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 Read Operation
During a data read operation from the ADE7753, data is shifted
out at the DOUT logic output on the rising edge of SCLK. As is
the case with the data write operation, a data read must be
preceded with a write to the communications register.
With the ADE7753 in communications mode (i.e., CS logic
low), an 8-bit write to the communications register first takes
place. The MSB of this byte transfer is a 0, indicating that the
next data transfer operation is a read. The LSBs of this byte
contain the address of the register that is to be read. The
ADE7753 starts shifting out of the register data on the next
rising edge of SCLK—see Figure 94 . At this point, the DOUT
logic output leaves its high impedance state and starts driving
the data bus. All remaining bits of register data are shifted out
on subsequent SCLK rising edges. The serial interface also
enters communications mode again as soon as the read has
been completed. At this point, the DOUT logic output enters a
CS
t 1
high impedance state on the falling edge of the last SCLK pulse.
The read operation can be aborted by bringing the CS logic
input high before the data transfer is complete. The DOUT
output enters a high impedance state on the rising edge of CS.
When an ADE7753 register is addressed for a read operation,
the entire contents of that register are transferred to the serial
port. This allows the ADE7753 to modify its on-chip registers
without the risk of corrupting data during a multibyte transfer.
Note that when a read operation follows a write operation, the
read command (i.e., write to communications register) should
not happen for at least 4 μs after the end of the write operation.
If the read command is sent within 4 μs of the write operation,
the last byte of the write operation could be lost. This timing
constraint is given as timing specification t 9 .
t 13
SCLK
t 9
t 10
DIN
0
0
A5
A4
A3
A2
A1
A0
t 11
t 11
t 12
DOUT
DB7
DB0
DB7
DB0
COMMAND BYTE
MOST SIGNIFICANT BYTE
LEAST SIGNIFICANT BYTE
02875-0-083
Figure 94. Serial Interface Read Timing
Rev. C | Page 51 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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