参数资料
型号: 78M6612-GTR/F/P2
厂商: Maxim Integrated
文件页数: 29/46页
文件大小: 0K
描述: IC PWR MEASUREMENT AC 64LQFP
标准包装: 1,500
系列: *
DS_6612_001
78M6612 Data Sheet
4.2
Recommended External Components
Table 6: Recommended External Components
CXL
Name
C1
C2
CSYS
C2P5
XTAL
CXS ?
?
From
V3P3A
V3P3D
V3P3SYS
V2P5
XIN
XIN
XOUT
To
AGND
DGND
DGND
DGND
XOUT
AGND
AGND
Function
Bypass capacitor for 3.3V supply.
Bypass capacitor for 3.3V output.
Bypass capacitor for V3P3SYS.
Bypass capacitor for V2P5.
32.768 kHz crystal – electrically similar to
ECS .327-12.5-17X or Vishay XT26T, load
capacitance 12.5 pF.
Load capacitor for crystal (exact value
depends on crystal specifications and
parasitic capacitance of board).
Value
≥ 0.1 ± 20%
0.1 ± 20%
≥ 1.0 ± 30%
0.1 ± 20%
32.768
27 ± 10%
27 ± 10%
Unit
μ F
μ F
μ F
μ F
kHz
pF
pF
Depending on trace capacitance, higher or lower values for CXS and CXL must be used. Capacitance
?
from XIN to GNDD and XOUT to GNDD (combining pin, trace and crystal capacitance) should be 35 pF
to 37 pF.
4.3
Recommended Operating Conditions
Table 7: Recommended Operation Conditions
Parameter
V3P3SYS, V3P3A : 3.3V Supply Voltage
V3P3A and V3P3SYS must be at the
same voltage
Condition
Normal Operation
Battery Backup
Min
3.0
0
Typ
3.3
Max
3.6
3.6
Unit
V
V
VBAT
No Battery
Externally Connect to V3P3SYS
Operating Temperature
Rev 2
Battery Backup
BRN and LCD modes
SLEEP mode
3.0
2.0
-40
3.8
3.8
+85
V
V
oC
29
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78M6612-IGT/F/P 制造商:Maxim Integrated Products 功能描述:PROGRAMMED - LEAD FREE - Rail/Tube
78M6612-IGT/F1 功能描述:计量片上系统 - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
78M6612-IGT/F2 功能描述:计量片上系统 - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
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