71M6521BE Datasheet, PDF (86/97 Pages) Teridian Semiconductor Corporation – Energy Meter IC

SUPPLY CURRENT
PARAMETER
V3P3A + V3P3SYS current
VBAT current
71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
CONDITION
MIN
TYP
MAX UNIT
Normal Operation,
V3P3A=V3P3SYS=3.3V
6.1
7.7
mA
MPU_DIV = 3 (614kHz), CKOUT_E =
0, CE_EN = 1, RTM_E = 0, ECK_DIS =
1, ADC_E = 1, ICE_E = 0
-300
+300
nA
V3P3A + V3P3SYS current vs.
MPU clock frequency
Same conditions as above
0.5
mA/
MHz
V3P3A + V3P3SYS current,
Write Flash
Normal Operation as above, except
write Flash at maximum rate, CE_E=0,
ADC_E=0
VBAT=3.6V
BROWNOUT mode, <25°C
BROWNOUT mode, >25°C
9.1
10
mA
48
120
µA
65
150
µA
VBAT current
LCD Mode, 25°C
LCD mode, over temperature
5.7
8.5
µA
15
µA
SLEEP Mode, 25°C
Sleep mode, over temperature
2.9
5.0
µA
10
µA
†_{Current into V3P3A and V3P3SYS pins is not zero if voltage is applied at these pins in brownout, LCD or sleep modes.}
V3P3D SWITCH
PARAMETER
On resistance – V3P3SYS to V3P3D
On resistance – VBAT to V3P3D
CONDITION
| I_V3P3D | ≤ 1mA
| I_V3P3D | ≤ 1mA
MIN
TYP
MAX UNIT
10
Ω
40
Ω
2.5V VOLTAGE REGULATOR
Unless otherwise specified, load = 5mA
PARAMETER
Voltage overhead V3P3-V2P5
PSSR ΔV2P5/ΔV3P3
CONDITION
Reduce V3P3 until V2P5
drops 200mV
RESET=0, iload=0
MIN
TYP MAX UNIT
440
mV
-3
+3
mV/V
Page: 86 of 97
© 2005-2008 TERIDIAN Semiconductor Corporation
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