71M6531F-IM/F Maxim Integrated Products, 71M6531F-IM/F Datasheet - Page 103

• Manufacturer Part Number: 71M6531F-IM/F
• Description: IC ENERGY METER 256KB 68-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 71M6531F-IM/F

• Mounting Style: SMD/SMT
• Package / Case: QFN-68
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

shift at CE input.
FDS 6531/6532 005
5.4.13 Temperature Sensor
Table 82
N
tions.
5.4.14 VREF
Table 83
v1.3
Parameter
Nominal relationship: N(T) = S
Nominal Sensi-
tivity (S
Parameter
VREF output voltage, VREF(22)
VREF chop step
VREF power supply sensitivity
VREF input impedance
VREF output impedance
VNOM definition
NominalOffset
(N
Temperature Error
S
n
ERR
N
n
is measured at T
n
n
=
)
=
ΔVREF / ΔV3P3A
4
−
=
. 0
. 0
T
n
00109
508
shows the performance for the temperature sensor. The LSB values do not include the 8-bit left
)
shows the performance specifications for VREF. Unless otherwise specified, VREF_DIS = 0.
4
−



⋅
(



N
⋅



L
3
(
L
3
T



S
a



)
3
3
n
−
n
1
[M40MHZ, M26MH] =
[00], [10], or [11]
[M40MHZ, M26MHZ] =
[01]
[M40MHZ, M26MHZ] =
[00], [10], or [11]
[M40MHZ, M26MHZ] =
[01]
N
during meter calibration and is stored in MPU or CE for use in temperature calcula-
Table 82: Temperature Sensor Performance Specifications
n
)



© 2005-2010 TERIDIAN Semiconductor Corporation
Table 83: VREF Performance Specifications
n
*(T-T
n
) + N
Ta = 22ºC
V3P3A = 3.0 to 3.6 V
VREF_DIS = 1,
VREF = 1.3 to 1.7 V
CAL =1,
I
VNOM
LOAD
n
, T
FIR_LEN[1:0]=0
(L=138)
FIR_LEN[1:0]=1
(L=288)
FIR_LEN[1:0]=2
(L=384)
FIR_LEN[1:0]=0
(L=186)
FIR_LEN[1:0]=1
(L=384)
FIR_LEN[1:0]=2
(L=588)
FIR_LEN[1:0]=0
(L=138)
FIR_LEN[1:0]=1
(L=288)
FIR_LEN[1:0]=2
(L=384)
FIR_LEN[1:0]=0
(L=186)
FIR_LEN[1:0]=1
(L=384)
FIR_LEN[1:0]=2
(L=588)
T = -40ºC to +85ºC
T
n
n
= 25ºC
= 10 µA, -10 µA
(
= 25°C,
Condition
T
)
=
Condition
VREF
(
22
)
+
(
T
−
Data Sheet 71M6531D/F-71M6532D/F
22
)
1.193
TC
Min
-1.5
100
Min
-10
1
⋅
10
−
6
+
1.195
(
1065353
1065353
3825004
449446
121071
Typ
T
49447
-2286
-2286
-8207
Typ
-106
-964
-260
−
22
)
2
TC
1.197
Max
2
1.5
2.5
40
Max
⋅
10
10
−
6
LSB/ºC
mV/V
Unit
LSB
Unit
mV
ºC
kΩ
kΩ
V
V
103