71M6521BE Datasheet, PDF (89/97 Pages) Teridian Semiconductor Corporation – Energy Meter IC

71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
TEMPERATURE SENSOR
LSB values do not include the 9-bit left shift at CE input.
PARAMETER
Nominal Sensitivity (S_n)⁴ FIR_LEN=1
Nominal Sensitivity (S_n)⁴ FIR_LEN=0
Nominal (N_n) ^4, FIR_LEN=1
Nominal (N_n) ^4, FIR_LEN=0
Temperature Error^††
ERR
=
T
−
⎜⎜⎝⎛
(N (T ) −
S_n
N_n
)
+
T_n
⎟⎟⎠⎞
CONDITION
T_n=25ºC
Nominal relationship:
N(T)= S_n*(T-T_n)+N_n
T = -40ºC to +85ºC,
T_n = 25°C
MIN
TYP
MAX UNIT
-2180
LSB/ºC
-923
1.0
0.4
LSB/ºC
10⁶ LSB
10⁶
LSB
-10
+10
ºC
†† _{Nn is measured at Tn during meter calibration and is stored in MPU or CE for use in temperature calculations.}
V1.0
© 2005-2008 TERIDIAN Semiconductor Corporation
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