78M6612 Maxim, 78M6612 Datasheet - Page 29

• Manufacturer Part Number: 78M6612
• Description: The Teridian™ 78M6612 is a highly integrated, single-phase, power and energy measurement and monitoring system-on-chip (SoC) that includes a 32-bit compute engine (CE), an MPU core, RTC, and flash
• Manufacturer: Maxim

DS_6612_001
4.2 Recommended External Components
†
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
Rev 2
Parameter
V3P3SYS, V3P3A: 3.3V Supply Voltage
V3P3A and V3P3SYS must be at the
same voltage
VBAT
Operating Temperature
Depending on trace capacitance, higher or lower values for CXS and CXL must be used. Capacitance
Name
CSYS
CXS
CXL
C2P5
XTAL
C1
C2
†
†
V3P3SYS
V3P3D
V3P3A
XOUT
From
V2P5
XIN
XIN
Table 6: Recommended External Components
Table 7: Recommended Operation Conditions
AGND
DGND
DGND
DGND
AGND
AGND
XOUT
To
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).
Condition
Normal Operation
Battery Backup
No Battery
Battery Backup
BRN and LCD modes
SLEEP mode
Function
Min
Externally Connect to V3P3SYS
-40
3.0
3.0
2.0
0
Typ
3.3
78M6612 Data Sheet
≥0.1±20%
≥1.0±30%
0.1±20%
0.1±20%
27±10%
27±10%
32.768
Value
Max
+85
3.6
3.6
3.8
3.8
Unit
Unit
kHz
ºC
µF
µF
µF
µF
pF
pF
V
V
V
V
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