71M6511 Datasheet, PDF (87/95 Pages) Teridian Semiconductor Corporation – Single-Phase Energy Meter IC

71M6511/71M6511H
Single-Phase Energy Meter IC
DATA SHEET
AUGUST 2007
ADC CONVERTER, VDD REFERENCED
FIR_LEN=0, VREF_DIS=0, VDDREFZ=0
PARAMETER
Recommended Input Range
(Vin-V3P3A)
Voltage to Current Crosstalk:
10⁶ *Vcrosstalk _{cos(∠Vin − ∠Vcrosstalk )}
Vin
CONDITION
Vin = 200mV peak, 65Hz,
on VA
Vcrosstalk = largest
measurement on IA or IB
THD (First 10 harmonics)
250mV- peak
20mV- peak
Input Impedance
Temperature coefficient of Input
Impedance
LSB size
Digital Full Scale
ADC Gain Error versus
%Power Supply Variation
10⁶ ∆Nout_PK 357nV /V_IN
100∆V 3P3A / 3.3
Vin=65Hz,
64kpts FFT, Blackman-
Harris window
Vin=65Hz
Vin=65Hz
FIR_LEN=1
Vin=200mV peak, 65Hz
V3P3A=3.0v, 3.6V
Input Offset (Vin-V3P3A)
MIN
TYP
MAX UNIT
-250
250
mV
peak
-10
10
µV/V
-75
dB
-90
dB
40
90
kΩ
1.7
Ω/°C
150
±2097152
nV/LSB
LSB
50
ppm/%
-10
10
mV
OPTICAL INTERFACE
PARAMETER
OPT_TX VOH (V3P3D-OPT_TX)
OPT_TX VOL
OPT_RX Vin Threshold
(VinRISING+VinFALLING)/2
OPT_RX Vin Hysteresis
(VinRISING-VinFALLING)
OPT_RX input impedance
CONDITION
ISOURCE=1mA
ISINK=20mA
|Vin|≤300mV
MIN
TYP
MAX UNIT
0.4
V
0.7
V
200
250
300
mV
5
30
mV
1
MΩ
TEMPERATURE SENSOR
PARAMETER
Nominal Sensitivity (S_n)⁴
Nominal Offset (N_n) ⁴
Temperature Error¹
ERR = (T − 25) − ^{(N (T ) − N (25))}
S_n
CONDITION
TA=25ºC, TA=75ºC
Nominal relationship:
N(T)= S_n*T+N_n
TA = -40ºC to +85ºC
MIN
TYP
MAX UNIT
-900
LSB/ºC
400000
LSB
-3
3
ºC
Page: 87 of 95
© 2005-2007 TERIDIAN Semiconductor Corporation
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