参数资料
型号: ADE7116ASTZF16
厂商: Analog Devices Inc
文件页数: 77/152页
文件大小: 0K
描述: IC ENERGY METER 64-LQFP
标准包装: 160
输入阻抗: 770 千欧
测量误差: 0.1%
电压 - 高输入/输出: 2V
电压 - 低输入/输出: 0.8V
电流 - 电源: 4mA
电源电压: 2.4 V ~ 3.7 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: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘

ADE7116/ADE7156/ADE7166/ADE7169/ADE7566/ADE7569
TEMPERATURE, BATTERY, AND SUPPLY VOLTAGE MEASUREMENTS
The ADE7156/ADE7166/ADE7169/ADE7566/ADE7569 include
temperature measurements as well as battery and supply voltage
measurements. (This feature is not available in the ADE7116.)
These measurements enable many forms of compensation. The
temperature and supply voltage measurements can be used to
compensate external circuitry. The RTC can be calibrated over
temperature to ensure that it does not drift. Supply voltage
measurements allow the LCD contrast to be maintained despite
variations in voltage. Battery measurements allow low battery
detection to be performed. All ADC measurements are
configured through the SFRs, as shown in Table 48.
The temperature, battery, and supply voltage measurements can
be configured to continue functioning in PSM1 and PSM2.
Keeping the temperature measurement active ensures that it is
not necessary to wait for the temperature measurement to settle
before using it for compensation.
Table 48. Temperature, Battery, and Supply Voltage Measurement SFRs
SFR Address
0xF9
0xF3
0xD8
0xFA
0xEF
0xDF
0xD7
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Mnemonic
STRBPER
DIFFPROG
ADCGO
BATVTH
VDCINADC
BATADC
TEMPADC
Description
Peripheral ADC strobe period (see Table 49).
Temperature and supply delta (see Table 50).
Start ADC measurement (see Table 51).
Battery detection threshold (see Table 52).
V DCIN ADC value (see Table 53).
Battery ADC value (see Table 54).
Temperature ADC value (see Table 55).
Table 49. Peripheral ADC Strobe Period SFR (STRBPER, Address 0xF9)
Bit
[7:6]
[5:4]
[3:2]
[1:0]
Mnemonic
Reserved
VDCIN_PERIOD
BATT_PERIOD
TEMP_PERIOD
Default
00
0
0
0
Description
These bits must be kept at 0 for proper operation.
Period for background external voltage measurements.
VDCIN_PERIOD
Result
00
No V DCIN measurement
01
8 min
10
2 min
11
1 min
Period for background battery level measurements.
BATT_PERIOD
Result
00
No battery measurement
01
16 min
10
4 min
11
1 min
Period for background temperature measurements.
TEMP_PERIOD
Result
00
No temperature measurement
01
8 min
10
2 min
11
1 min
Rev. B | Page 77 of 152
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