78m6618-imr/f/p Maxim Integrated Products, Inc., 78m6618-imr/f/p Datasheet - Page 21

• Manufacturer Part Number: 78m6618-imr/f/p
• Description: Octal Power And Energy Measurement Ic
• Manufacturer: Maxim Integrated Products, Inc.

DS_6618_005
2.4.15 ADC Converter, V3P3A Referenced
Table 19
FIR_LEN=0, VREF_DIS=0 and LSB values do not include the 9-bit left shift at the CE input.
Rev. 1.3
Parameter
Recommended Input Range
(Vin-V3P3A)
Voltage to Current Crosstalk
THD (First 10 harmonics)
Input Impedance
Temperature coefficient of Input
Impedance
LSB size
L = FIR length
Digital Full Scale
L = FIR length
Input Offset (Vin-V3P3A)
V
A
%Power Supply Variation
10
10
LSB
DC Gain Error versus
6
6
*
=
100
250 mV-pk
20 mV-pk
∆
Vcrosstalk
V
Nout
Vin
REF
 L


∆
3
shows the performance specifications for the ADC converter, V3P3A referenced. For this data,
⋅
V



. 1
. 4
3
PK
3
25
75
P
357
⋅
3



A
cos(
3
L
nV
3 /



3
3 .
∠
/
[M40MHZ,
M26MHZ] =
[00], [10], or [11]
[M40MHZ,
M26MHZ] =
[M40MHZ,
M26MHZ] =
[00], [10], or [11]
[M40MHZ,
M26MHZ] =
[01]
[01]
V
Vin
IN
Table 19: ADC Converter Performance Specifications
−
∠
1
Vcrosstalk
:
)
Vin = 200 mV peak,
65 Hz, on VA.
Vcrosstalk = largest
measurement on IA or IB
Vin=65 Hz,
64 kpts FFT, Blackman-
Harris window
CKCE = 5 MHz
Vin = 65 Hz
Vin = 65 Hz
FIR_LEN=0
FIR_LEN=1
FIR_LEN=0
FIR_LEN=0
FIR_LEN=1
FIR_LEN=0
Vin=200 mV pk, 65 Hz
V3P3A=3.0 V, 3.6 V
Condition
-250
Min
-10
-10
40
±884736
±238328
±97336
3231
1319
Typ
355
1.7
78M6618 Data Sheet
Max
250
-75
-90
10
90
50
10
ppm/%
peak
µV/V
Ω/°C
Unit
LSB
LSB
LSB
LSB
mV
nV/
nV/
mV
dB
dB
kΩ
21