71M6531D_10 TERIDIAN [Teridian Semiconductor Corporation], 71M6531D_10 Datasheet - Page 99
71M6531D_10
Manufacturer Part Number
71M6531D_10
Description
Energy Meter IC
Manufacturer
TERIDIAN [Teridian Semiconductor Corporation]
Datasheet
1.71M6531D_10.pdf
(120 pages)
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FDS 6531/6532 005
5.2
Notes:
5.3
v1.3
V3P3SYS, V3P3A: 3.3 V Supply Voltage
V3P3A and V3P3SYS must be at the
same voltage
VBAT
Operating Temperature
Name
CSYS
C2P5
XTAL
CXS
CXL
1. AGND and GNDD should be connected together.
2. V3P3SYS and V3P3A should be connected together.
†
C1
C2
For accuracy and EMI rejection, C1 + C2 should be 470 µF or higher.
Recommended External Components
Recommended Operating Conditions
V3P3SYS
V3P3A
V3P3D
XOUT
From
V2P5
XIN
XIN
Parameter
© 2005-2010 TERIDIAN Semiconductor Corporation
Table 68: Recommended External Components
Table 69: Recommended Operating Conditions
AGND
GNDD
GNDD
GNDD
AGND
AGND
XOUT
To
Bypass capacitor for 3.3 V supply
Bypass capacitor for 3.3 V 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 (depends on
crystal specs and board parasitics).
Load capacitor for crystal (depends on
crystal specs and board parasitics).
Normal Operation
Battery Backup
No Battery
Battery Backup:
BRN and LCD modes
SLEEP mode
Condition
Function
Data Sheet 71M6531D/F-71M6532D/F
Externally Connect to V3P3SYS
Min
-40
3.0
3.0
2.0
0
Typ
3.3
≥0.1 ±20%
≥0.1 ±20%
≥1.0 ±30%
0.1 ±20%
33 ±10%
15 ±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
99
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