71M6543F Datasheet, PDF (145/157 Pages) Maxim Integrated Products – Selectable Gain of 1 or 8 for One Current Energy Meter ICs Metrology Compensation

71M6543F/H and 71M6543G/GH Data Sheet
Parameter
Condition
Min
Typ
Max Unit
Note:
1.
2.
Guaranteed by design; not production tested.
Unless stated otherwise, the following test conditions apply to all the parameters provided in
this table: FIR_LEN[1:0]=1, VREF_DIS=0, PLL_FAST=1, ADC_DIV=0, MUX_DIV=6, LSB values
do not include the 9-bit left shift at CE input.
6.4.16 Pre-Amplifier for IADC0-IADC1
Table 106: Pre-Amplifier Performance Specifications
PARAMETER
CONDITION
MIN TYP MAX
Differential Gain
Vin=30mV differential
Vin=15mV differential (see note 1)
T_A= 5⁰C,
V3P3=3.3 V,
PRE_E=1,
FIR_LEN=2,
DIFF0_E=1,
7.8 7.92 8.0
7.8 7.92 8.0
2520Hz sample rate
Gain Variation vs V3P3
Vin=30mV differential (see note 1)
V3P3 =
2.97 V, 3.63 V
-100
100
Gain Variation vs Temp
Vin=30mV differential (see note 1)
T_A = -40⁰C, 85⁰C
10 -25 -80
Phase Shift,
Vin=30mV differential (see note 1)
T_A=25⁰C,
V3P3=3.3 V
-6
6
PRE_E=1,
Preamp input current
FIR_LEN=10,
IADC0
DIFF0_E=1
4 9 16
IADC1
2520Hz sample rate, 4 9 16
IADC0=IADC1=V3P3
Preamp+ADC THD
Vin=30mV differential
Vin=15mV differential
T_A=25⁰C,
V3P3=3.3 V,
PRE_E=1,
FIR_LEN=2,
DIFF0_E=1,
-82
-86
2520Hz sample rate.
Preamp Offset
IADC0=IADC1=V3P3+30mV
IADC0=IADC1= V3P3+15mV
IADC0=IADC1= V3P3
IADC0=IADC1= V3P3-15mV
IADC0=IADC1= V3P3-30mV
T_A=25⁰C,
V3P3=3.3 V,
PRE_E=1,
FIR_LEN=10,
DIFF0_E=1,
2520Hz sample rate
-0.63
-0.57
-0.56
-0.56
-0.55
Note:
1. Guaranteed by design; not production tested.
UNIT
V/V
V/V
ppm/%
ppm/C
mº
uA
uA
dB
dB
mV
mV
mV
mV
mV
v1.2
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