71m6521be Maxim Integrated Products, Inc., 71m6521be Datasheet - Page 88

• Manufacturer Part Number: 71m6521be
• Description: Energy Meter Ic
• Manufacturer: Maxim Integrated Products, Inc.

LCD DRIVERS
Applies to all COM and SEG pins.
VLCD is V3P3SYS in MISSION mode and VBAT in BROWNOUT and LCD modes.
ADC CONVERTER, V3P3A REFERENCED
FIR_LEN
OPTICAL INTERFACE
Page: 88 of 97
PARAMETER
VLC2 Max Voltage
PARAMETER
Recommended Input Range
Voltage to Current Crosstalk:
THD (First 10 harmonics)
Input Impedance
Temperature coefficient of Input
Impedance
LSB size
Digital Full Scale
ADC Gain Error vs
%Power Supply Variation
Input Offset (Vin-V3P3A)
PARAMETER
OPT_TX V
OPT_TX V
VLC1 Voltage,
VLC0 Voltage,
10
250mV-pk
20mV-pk
6
*
Vcrosstalk
Vin
=0, VREF_DIS=0, LSB values do not include the 9-bit left shift at CE input.
1/3 bias
½ bias
1/3 bias
½ bias
(Vin-V3P3A)
10
OH
OL
6
100
Δ
(V3P3D-OPT_TX)
Nout
Δ
cos(
V
PK
3
∠
P
357
3
Vin
A
nV
3 /
−
3 .
∠
/
V
Vcrosstalk
IN
© 2005-2008 TERIDIAN Semiconductor Corporation
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
)
Vin=65Hz,
64kpts FFT, Blackman-
Harris window
Vin = 200mV peak, 65Hz,
on VA
Vcrosstalk = largest
measurement on IA or IB
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
I
I
SOURCE
SINK
=20mA
CONDITION
CONDITION
CONDITION
=1mA
-250
MIN
MIN
-10
-10
MIN
-0.1
40
-4
-3
-3
-3
±2097152
Energy Meter IC
+884736
TYP
TYP
TYP
357
151
1.7
71M6521BE
MAX
0+.1
MAX
DATA SHEET
+2
+2
+2
0.4
0.7
MAX
0
250
-75
-90
10
90
50
10
nV/LSB
UNIT
UNIT
ppm/%
JANUARY 2008
UNIT
μV/V
Ω/°C
peak
%
%
%
%
LSB
V
V
V
mV
mV
dB
dB
kΩ
V1.0