MAXQ3181-RAN+ Maxim Integrated Products, MAXQ3181-RAN+ Datasheet - Page 72
![IC AFE POLYPHASE LO-PWR 28-TSSOP](/photos/6/59/65919/175-28-tssop_sml.jpg)
MAXQ3181-RAN+
Manufacturer Part Number
MAXQ3181-RAN+
Description
IC AFE POLYPHASE LO-PWR 28-TSSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAXQ3181-RAN.pdf
(84 pages)
Specifications of MAXQ3181-RAN+
Number Of Channels
8
Power (watts)
35mW
Voltage - Supply, Analog
3.3V
Voltage - Supply, Digital
3.3V
Package / Case
28-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Bits
-
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Low-Power, Active Energy, Polyphase AFE
This register determines whether the all other measured values in the electricity meter are averaged over time. If the
value of this register is nonzero, all measured meter values are averaged using the following formula:
If the value of this register is zero, no averaging is performed. The MSB of this register must be zero.
This register specifies the b
The MSB of this register must be zero.
This register specifies the lowpass filter applied for zero-cross detection. The MSB of this register must be zero.
72
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
______________________________________________________________________________________
15
15
15
7
7
7
0
coefficient of a first-order Butterworth filter using the following formula:
14
14
14
6
6
6
y
Meter Measurement Averaging Filter High Byte
Meter Measurement Averaging Filter Low Byte
Meter Measurement Highpass Filter High Byte
13
13
Meter Measurement Highpass Filter Low Byte
13
n
5
5
5
=
Meter Measurement Averaging Filter (AVG_C) (0x030)
Zero-Cross Lowpass Filter High Byte
y
Meter Measurement Highpass Filter (HPF_C) (0x032)
Zero-Cross Lowpass Filter Low Byte
n
−
b
1
0
+
=
AVG C
12
12
HPF C
12
4
4
4
2
Zero-Cross Lowpass Filter (ZC_LPF) (0x05A)
_
16
_
0xC8
0x0B
0x40
0x00
0x00
0x00
x
n
2
−
16
y
n
11
11
11
3
3
3
−
1
10
10
10
2
2
2
9
1
9
1
9
1
8
0
8
0
8
0
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