參數資料
型號： 78M6618-IM/F/P
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 模擬信號調理
英文描述： SPECIALTY ANALOG CIRCUIT, QCC68
封裝： 8 X 8 MM, ROHS COMPLIANT, TQFN-68
文件頁數： 7/32頁
文件大?。?/td> 419K
代理商： 78M6618-IM/F/P
DS_6618_005
78M6618 Data Sheet
Rev. 1.4
15
2.2
Recommended External Components
Table 3: Recommended External Components
Name
From
To
Function
Value
Unit
C1
V3P3A
AGND
Bypass capacitor for 3.3 V supply
≥0.1 ±20%
F
C2
V3P3D
DGND
Bypass capacitor for 3.3 V 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
32.768 kHz crystal – electrically similar to
ECS .327-12.5-17X or Vishay XT26T,
load capacitance 12.5 pF.
32.768
kHz
CXS
XIN
AGND
Load capacitor for crystal (depends on
crystal specs and board parasitics).
33
±10%
pF
CXL
XOUT
AGND
Load capacitor for crystal (depends on
crystal specs and board parasitics).
15
±10%
pF
Notes:
1.
AGND and DGND should be connected together.
2.
V3P3SYS and V3P3A should be connected together.
2.3
Recommended Operating Conditions
Table 4: Recommended Operating Conditions
Parameter
Condition
Min
Typ
Max
Unit
V3P3SYS, V3P3A: 3.3 V Supply Voltage
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
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參數描述
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