71M6515H
A Maxim Integrated Products Brand
Energy Meter IC
DATA SHEET
JULY 2011
2.5V VOLTAGE REGULATOR
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Reduce V3P3 until V2P5
drops 200mV
RESETZ=1, ILOAD=0
Voltage Overhead V3P3D-V2P5
440
+3
mV
PSRR
ΔV2P5/ΔV3P3D
-3
mV/V
RTC
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Range for date
2000
--
2255
year
RESETZ
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Reset pulse width
Reset pulse fall time
5
µs
µs
11
1 Guaranteed by design; not production tested.
CRYSTAL OSCILLATOR
CONDITION
PARAMETER
MIN
TYP
MAX
1
UNIT
µW
pF
Maximum Output Power to Crystal4
Xin to Xout Capacitance
Capacitance to DGND
Xin
3
5
5
pF
pF
Xout
Watchdog RTC_OK threshold
25
kHz
TEMPERATURE SENSOR
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Nominal Sensitivity (Sn)4
-900
LSB/ºC
TA=25ºC, TA=85ºC
Nominal relationship:
N(T)= Sn*T+Nn
40000
0
Nominal Offset (Nn) 4
LSB
Temperature Error, relative to 25ºC error
-31
+31
ºC
(N(T) − N(25))
ERR = (T − 25) −
TA = -40ºC to +85ºC
Sn
1 Guaranteed by design; not production tested.
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