71M6521BE Datasheet, PDF (88/97 Pages) Teridian Semiconductor Corporation – Energy Meter IC

71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
LCD DRIVERS
Applies to all COM and SEG pins.
PARAMETER
VLC2 Max Voltage
VLC1 Voltage,
1/3 bias
½ bias
VLC0 Voltage,
1/3 bias
½ bias
CONDITION
With respect to VLCD
With respect to 2*VLC2/3
With respect to VLC2/2
With respect to VLC2/3
With respect to VLC2/2
MIN
TYP MAX
UNIT
-0.1
0+.1
V
-4
0
%
-3
+2
%
-3
+2
%
-3
+2
%
VLCD is V3P3SYS in MISSION mode and VBAT in BROWNOUT and LCD modes.
ADC CONVERTER, V3P3A REFERENCED
FIR_LEN=0, VREF_DIS=0, LSB values do not include the 9-bit left shift at CE input.
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-pk
20mV-pk
Input Impedance
Temperature coefficient of Input
Impedance
LSB size
Digital Full Scale
ADC Gain Error vs
%Power Supply Variation
10⁶ ΔNout_PK 357nV /V_IN
100ΔV 3P3A / 3.3
Vin=65Hz,
64kpts FFT, Blackman-
Harris window
Vin=65Hz
Vin=65Hz
FIR_LEN=0
FIR_LEN=1
FIR_LEN=0
FIR_LEN=1
Vin=200mV pk, 65Hz
V3P3A=3.0V, 3.6V
Input Offset (Vin-V3P3A)
MIN
TYP
-250
-10
40
1.7
357
151
+884736
±2097152
-10
MAX
250
10
-75
-90
90
50
10
UNIT
mV
peak
μV/V
dB
dB
kΩ
Ω/°C
nV/LSB
LSB
ppm/%
mV
OPTICAL INTERFACE
PARAMETER
OPT_TX VOH (V3P3D-OPT_TX)
OPT_TX VOL
CONDITION
ISOURCE=1mA
ISINK=20mA
MIN
TYP
MAX UNIT
0.4
V
0.7
V
Page: 88 of 97
© 2005-2008 TERIDIAN Semiconductor Corporation
V1.0