参数资料
型号: 71M6521FE-IMR/F
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, QCC68
封装: LEAD FREE, LQFN-68
文件页数: 91/103页
文件大小: 1691K
代理商: 71M6521FE-IMR/F
71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
Page: 88 of 103
2005-2010 Teridian Semiconductor Corporation
v1.1
A Maxim Integrated Products Brand
19-5370; 10/10
RECOMMENDED EXTERNAL COMPONENTS
NAME
FROM
TO
FUNCTION
VALUE
UNIT
C1
V3P3A
AGND
Bypass capacitor for 3.3V supply
≥0.1±20%
F
C2
V3P3D
DGND
Bypass capacitor for 3.3V output
0.1
±20%
F
CSYS
V3P3SYS
DGND
Bypass capacitor for V3P3SYS
≥1.0±30%
F
C2P5
V2P5
DGND
Bypass capacitor for V2P5
0.1
±20%
F
XTAL
XIN
XOUT
32.768kHz crystal – electrically similar to ECS
.327-12.5-17X or Vishay XT26T, load capaci-
tance 12.5pF
32.768
kHz
CXS
XIN
AGND
Load capacitor for crystal (exact value depends
on crystal specifications and parasitic capaci-
tance of board).
27
±10%
pF
CXL
XOUT
AGND
27
±10%
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 35pF to 37pF.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
3.3V Supply Voltage (V3P3SYS, V3P3A)
V3P3A and V3P3SYS must be at the
same voltage
Normal Operation
3.0
3.3
3.6
V
Battery Backup
0
3.6
V
VBAT
No Battery
Externally Connect to V3P3SYS
Battery Backup
BRN and LCD modes
SLEEP mode
3.0
2.0
3.8
V
Operating Temperature
-40
+85
C
Maximum input voltage on DIO/SEG pins
configured as DIO input. *
MISSION mode
BROWNOUT mode
LCD mode
V3P3SYS+0.3
VBAT+0.3
V
*Exceeding this limit will distort the LCD waveforms on other pins.
相关PDF资料
PDF描述
71M6521DE-IGT/F SPECIALTY ANALOG CIRCUIT, QFP64
71M6521FE-IGTR/F SPECIALTY ANALOG CIRCUIT, QFP64
71M6521DE-IMR/F SPECIALTY ANALOG CIRCUIT, QCC68
71M6521FE-IM/F SPECIALTY ANALOG CIRCUIT, QCC68
71M6521FE-IGT/F SPECIALTY ANALOG CIRCUIT, QFP64
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