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| 型号： | ADE7762ARWZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/28页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 3PHASE 28SOIC |
| 标准包装： | 27 |
| 输入阻抗： | 410 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： | 8.5mA |
| 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： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 管件 |
| 配用： | EVAL-ADE7762EBZ-ND - BOARD EVALUATION FOR ADE7762 |
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ADE7762
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
LED_CTRL 1
LED_A 2
CF 3
DGND 4
28
27
26
25
LED_B
LED_C
F1
F2
V DD 5
REVP 6
ADE7762
24
23
S1
S0
IAP 7
IAN 8
TOP VIEW
(Not to Scale)
22 CLKOUT
21 CLKIN
IBP 9
IBN 10
ICP 11
ICN 12
AGND 13
REF IN/OUT 14
20
19
18
17
16
15
SCF
ABS
VAP
VBP
VCP
VN
Figure 4. 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, 17,
18
19
20
Mnemonic
LED_CTRL
LED_A
CF
DGND
V DD
REVP
IAP, IAN;
IBP, IBN;
ICP, ICN
AGND
REF IN/OUT
VN, VCP, VBP, VAP
ABS
SCF
Description
LED Control Output. The LED_CTRL signal multiplexes the indication of phase drop, phase sequence
error, and per phase reverse power on the LED_A, LED_B, and LED_C pins.
Phase A Phase Monitor Output. LEDs are connected to this pin to indicate phase drop or reverse power
on Phase A (see the Phase Monitor section).
Calibration Frequency Logic Output. The CF logic output gives instantaneous active power information.
This output is intended to be used for calibration purposes.
This provides the ground reference for the digital circuitry in the ADE7762, that is, multipliers, filters,
and digital-to-frequency converters. Because the digital return currents in the ADE7762 are small, it is
acceptable to connect this pin to the analog ground plane of the whole system.
Power Supply. This pin provides the supply voltage for the digital circuitry in the ADE7762. The supply
voltage should be maintained at 5 V ± 5% for a specified operation. This pin should be decoupled to
DGND with a 10 μF capacitor in parallel with a 100 nF ceramic capacitor.
This logic output goes logic high when negative power is detected on the sum of the three phase
powers. This output is not latched and resets when positive power is once again detected (see the
Analog Inputs for Current Channels. These channels are intended for use with current transducers and
are referenced in this document as current channels. These inputs are fully differential voltage inputs
with maximum differential input signal levels of ±0.5 V (see the Analog Inputs section). Both 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 ADE7762 (ADCs 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, such as antialiasing filters and current
and voltage transducers. To keep ground noise around the ADE7762 to a minimum, the quiet ground
plane should connect 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 25 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 Channels. These channels are intended for use with voltage transducers
and are referenced in this document as voltage channels. These inputs are single-ended voltage inputs
with a maximum signal level of ±0.5 V with respect to VN for a specified operation. 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 logic input is used to select the method by which the three active energies from each phase are
summed. It selects between the arithmetical sum of the three energies (ABS logic high) or the sum of
section.
Select Calibration Frequency. This logic input is used to select the frequency on the calibration output
CF. Table 7 shows how the calibration frequencies are selected.
Rev. 0 | Page 7 of 28
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相关代理商/技术参数 |
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| ADE7762ARWZ-RL | 功能描述:IC ENERGY METERING 3PHASE 28SOIC 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:* |
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