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78M6612-IM/F/P Datasheet(PDF) 96 Page - Teridian Semiconductor Corporation

Part # 78M6612-IM/F/P
Description  Single-Phase, Dual-Outlet Power and Energy Measurement IC
PDF  111 Pages
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Manufacturer  TERIDIAN [Teridian Semiconductor Corporation]
Direct Link  http://www.teridian.com
Logo TERIDIAN - Teridian Semiconductor Corporation

78M6612-IM/F/P Datasheet(HTML) 96 Page - Teridian Semiconductor Corporation

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78M6612 Data Sheet
DS_6612_001
96
Rev. 1.2
ADC Converter, V3P3A Referenced
FIR_LEN
Parameter
=0, VREF_DIS=0, LSB values do not include the 9-bit left shift at CE input.
Condition
Min
Typ
Max
Unit
Recommended Input Range
(Vin-V3P3A)
-250
250
mV
peak
Voltage to Current Crosstalk:
)
cos(
*
10
6
Vcrosstalk
Vin
Vin
Vcrosstalk
∠
−
∠
Vin = 200 mV peak,
65 Hz, on VA
Vcrosstalk = largest
measurement on IA or
IB
-10
10
μV/V
THD (First 10 harmonics)
250 mV-pk
20 mV-pk
Vin=65 Hz,
64 kpts FFT, Blackman-
Harris window
-75
-90
dB
dB
Input Impedance
Vin=65 Hz
40
90
kΩ
Temperature coefficient of Input
Impedance
Vin=65 Hz
1.7
Ω/°C
LSB size
FIR_LEN=0
FIR_LEN=1
357
151
nV/LSB
Digital Full Scale
FIR_LEN=0
FIR_LEN=1
+884736
±209715
2
LSB
ADC Gain Error vs
%Power Supply Variation
3
.
3
/
3
3
100
/
357
10
6
A
P
V
V
nV
Nout
IN
PK
∆
∆
Vin=200 mV pk, 65 Hz
V3P3A=3.0V, 3.6V
50
ppm/
%
Input Offset (Vin-V3P3A)
-10
10
mV
5.4.13
Parameter
UART1 Interface
Condition
Min
Typ
Max
Unit
TX1 VOH (V3P3D-TX1)
ISOURCE=1 mA
0.4
V
TX1 VOL
ISINK=20 mA
0.7
V
5.4.14
Parameter
Temperature Sensor
Condition
Min
Typ
Max
Unit
Nominal Sensitivity (Sn)
TA=25ºC, TA=75ºC,
FIR_LEN = 1
Nominal relationship:
N(T)= S
†
n *(T-Tn )+N n
-2180
LSB/ºC
Nominal (Nn)
† †
1.0
10
6
Temperature Error
LSB


+
−
−
=
n
n
n
T
S
N
T
N
T
ERR
)
)
(
(
†
TA = -40ºC to +85ºC
Tn = 25°C
-10
+10
ºC
† LSB values do not include the 9-bit left shift at CE input.
†† N
n is measured at Tn during calibration and is stored in MPU or CE for use in temperature calculations.



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