71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
LCD DRIVERS
Applies to all COM and SEG pins.
CONDITION
With respect to VLCD
PARAMETER
VLC2 Max Voltage
VLC1 Voltage,
1/3 bias
MIN
-0.1
TYP
MAX
0+.1
UNIT
V
With respect to 2*VLC2/3
With respect to VLC2/2
-4
-3
0
+2
%
%
½ bias
VLC0 Voltage,
1/3 bias
With respect to VLC2/3
With respect to VLC2/2
-3
-3
+2
+2
%
%
½ bias
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)
CONDITION
MIN
TYP
MAX
UNIT
mV
peak
-250
250
Voltage to Current Crosstalk:
Vin = 200mV peak, 65Hz,
on VA
106 *Vcrosstalk
-10
40
10
μV/V
cos(∠Vin − ∠Vcrosstalk)
Vcrosstalk = largest
measurement on IA or IB
Vin
THD (First 10 harmonics)
250mV-pk
20mV-pk
Input Impedance
Temperature coefficient of Input
Impedance
Vin=65Hz,
64kpts FFT, Blackman-
Harris window
Vin=65Hz
-75
-90
90
dB
dB
kΩ
Vin=65Hz
1.7
Ω/°C
nV/LSB
LSB
FIR_LEN=0
FIR_LEN=1
FIR_LEN=0
FIR_LEN=1
357
151
+884736
LSB size
Digital Full Scale
±2097152
ADC Gain Error vs
%Power Supply Variation
Vin=200mV pk, 65Hz
V3P3A=3.0V, 3.6V
106 ΔNoutPK 357nV /VIN
100ΔV3P3A/3.3
50
10
ppm/%
mV
Input Offset (Vin-V3P3A)
-10
OPTICAL INTERFACE
PARAMETER
OPT_TX VOH (V3P3D-OPT_TX)
OPT_TX VOL
CONDITION
ISOURCE=1mA
ISINK=20mA
MIN
TYP
MAX
0.4
0.7
UNIT
V
V
Page: 88 of 97
© 2005-2008 TERIDIAN Semiconductor Corporation
V1.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
