71M6541D Datasheet, PDF (149/166 Pages) Maxim Integrated Products – 0.1% Accuracy Over 2000:1 Current Range Energy Meter ICs

71M6541D/F/G and 71M6542F/G Data Sheet
6.4.15 ADC Converter
Table 110. ADC Converter Performance Specifications
Parameter
Condition
Min
Typ
Recommended Input Range
(Vin - V3P3A)
-250
Voltage to Current Crosstalk
Vin = 200 mV peak,
10⁶ *Vcrosstalk _{cos(∠Vin − ∠Vcrosstalk)}
65 Hz, on VADC10 (VA)
or VADC9 (VB)†
Vin
†71M6542F/G only.
-10
Vcrosstalk = largest
(see note 1)
measurement on IAP-IAN
or IBP-IBN
Input Impedance, no pre-amp
Vin=65 Hz
40
ADC Gain Error vs %Power Supply
Variation
10⁶ ∆Nout_PK 357nV /V_IN
100 ∆V 3P3A / 3.3
Vin=200 mV pk, 65 Hz
V3P3A=3.0 V, 3.6 V
Input Offset
IADC0=IADC1=V3P3A
IADC0=V3P3A
THD @ 250mVpk
Name
A
B
C
D
E
F
G
H
J
FIR_LEN
0
1
0
1
2
0
0
1
2
ADC_DIV
0
0
0
0
0
1
1
1
1
PLL_FAST
0
0
1
1
1
0
1
1
1
THD @ 20mVpk
Name
A
B
C
D
E
F
G
H
J
FIR_LEN
0
1
0
1
2
0
0
1
2
ADC_DIV
0
0
0
0
0
1
1
1
1
LSB Size:
PLL_FAST
0
0
1
1
1
0
1
1
1
Name
A
B
C
D
E
F
G
H
J
FIR_LEN
0
1
0
1
2
0
0
1
2
ADC_DIV
0
0
0
0
0
1
1
1
1
PLL_FAST
0
0
1
1
1
0
1
1
1
MUX_DIV
3
2
11
6
4
2
6
3
2
MUX_DIV
3
2
11
6
4
2
6
3
2
MUX_DIV
3
2
11
6
4
2
6
3
2
DIFF0_E=1, PRE_E=0
DIFF0_E=0, PRE_E=0
VIN = 65Hz, 250mVpk,
64kpts FFT, Blackman Harris
Window.
VIN = 65Hz, 20mVpk,
64kpts FFT, Blackman Harris
Window.
Vin=65Hz, 20mVpk,
64kpts FFT, Blackman-
Harris window
-10
-10
A
B -82
C
D -84
E
F -83
G
H -86
J
A
-85
B
-91
C
-85
D
-91
E
-93
F
-85
G
-85
H
-91
J
-93
A 3470
B 406
C 3040
D 357
E 151
F 3470
G 3040
H 357
J 151
Max Unit
250 mV
peak
10 μV/V
90
kΩ
50 ppm / %
10
10
A -75
B -75
C -75
D -75
E -75
F -75
G -75
H -75
J
-75
mV
mV
dB
dB
nV
Digital Full-Scale:
Name
A
B
C
D
E
F
G
H
J
FIR_LEN
0
1
0
1
2
0
0
1
2
ADC_DIV
0
0
0
0
0
1
1
1
1
PLL_FAST
0
0
1
1
1
0
1
1
1
MUX_DIV
3
2
11
6
4
2
6
3
2
A: ±91125
B: ±778688
C: ±103823
D: ±884736
E: ±2097152
F: ±91125
G: ±103823
H: ±884736
J: ±2097152
LSB