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ADE7169 数据表(PDF) 7 Page - Analog Devices

部件名 ADE7169
功能描述  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
PDF  144 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE7169 数据表(HTML) 7 Page - Analog Devices

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ADE7566/ADE7569/ADE7166/ADE7169
Rev. A | Page 7 of 144
ANALOG PERIPHERALS
Table 3.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
INTERNAL ADCs (BATTERY, TEMPERATURE, VDCIN)
Power Supply Operating Range
2.4
3.7
V
Measured on VSWOUT
No Missing Codes1
8
Bits
Conversion Delay2
38
μs
ADC Gain
VDCIN Measurement
15.3
mV/LSB
VBAT Measurement
14.6
mV/LSB
Temperature Measurement
0.78
°C/LSB
ADC Offset
VDCIN Measurement at 3 V
206
LSB
VBAT Measurement at 3.7 V
205
LSB
Temperature Measurement at 25°C
129
LSB
VDCIN Analog Input
Maximum Signal Levels
0
3.3
V
Input Impedance (DC)
1
MΩ
Low VDCIN Detection Threshold
1.09
1.2
1.27
V
POWER-ON RESET (POR)
VDD POR
Detection Threshold
2.5
2.95
V
POR Active Timeout Period
33
ms
VSWOUT POR
Detection Threshold
1.8
2.2
V
POR Active Timeout Period
20
ms
VINTD POR
Detection Threshold
2.03
2.22
V
POR Active Timeout Period
16
ms
VINTA POR
Detection Threshold
2.05
2.15
V
POR Active Timeout Period
120
ms
BATTERY SWITCH OVER
Voltage Operating Range (VSWOUT)
2.4
3.7
V
VDD to VBAT Switching
Switching Threshold (VDD)
2.5
2.95
V
Switching Delay
10
ns
When VDD to VBAT switch activated by VDD
30
ms
When VDD to VBAT switch activated by VDCIN
VBAT to VDD Switching
Switching Threshold (VDD)
2.5
2.95
V
Switching Delay
30
ms
Based on VDD > 2.75 V
VSWOUT To VBAT Leakage Current
10
nA
VBAT = 0 V, VSWOUT = 3.43 V, TA = 25°C
LCD, CHARGE PUMP ACTIVE
Charge Pump Capacitance Between
LCDVP1 and LCDVP2
100
nF
LCDVA, LCDVB, LCDVC Decoupling Capacitance
470
nF
LCDVA
0
1.75
V
LCDVB
0
3.5
V
1/3 bias mode
LCDVC
0
5.3
V
1/3 bias mode
V1 Segment Line Voltage
LCDVA − 0.1
LCDVA
V
Current on segment line = −2 μA
V2 Segment Line Voltage
LCDVB − 0.1
LCDVB
V
Current on segment line = −2 μA
V3 Segment Line Voltage
LCDVC − 0.1
LCDVC
V
Current on segment line = −2 μA
DC Voltage Across Segment and COM Pin
50
mV
LCDVC − LCDVB, LCDVC − LCDVA, or
LCDVB − LCDVA



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