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參數(shù)資料
| 型號： | ADE7758ARW |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Poly Phase Multifunction Energy Metering IC with Per Phase Information |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO24 |
| 封裝： | MS-013-AD, SOIC-24 |
| 文件頁數(shù)： | 10/68頁 |
| 文件大?。?/td> | 1584K |
| 代理商： | ADE7758ARW |
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ADE7758
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Rev. A | Page 10 of 68
0
ADE7758
TOP VIEW
(Not to Scale)
APCF
DGND
DVDD
AVDD
IAP
IAN
IBP
IBN
ICP
ICN
10
AGND
11
REF
IN/OUT
1
DOUT
SCLK
DIN
CS
CLKOUT
CLKIN
IRQ
VARCF
VAP
VBP
VCP
VN
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
15
14
12
13
Figure 5. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic Description
1
APCF
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, i.e., 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 may result in noisy digital current which 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
graphs 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 sections).
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.
This pin provides the ground reference for the analog circuitry in the ADE7758, i.e., 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. In order to keep ground noise around the ADE7758 to a minimum, the quiet
ground plane should only be connected to the digital ground plane at 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
2.5 V ± 8% and a typical temperature coefficient of 30 ppm/°C. An external reference source may 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.
2
DGND
3
DVDD
4
AVDD
5, 6;
7, 8;
9, 10
IAP, IAN;
IBP, IBN;
ICP, ICN
11
AGND
12
REF
IN/OUT
13, 14, 15,
16
VN, VCP,
VBP, VAP
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| ADE7758ARWRL | 制造商:Analog Devices 功能描述:Energy Measurement 24-Pin SOIC W T/R 制造商:Analog Devices 功能描述:IC ENERGY METER |
| ADE7758ARWZ | 功能描述:IC ENERGY METERING 3PHASE 24SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 能量測量 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:* |
| 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 類別:集成電路 (IC) >> PMIC - 能量測量 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:* |
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