MAXQ3181-RAN+ Maxim Integrated Products, MAXQ3181-RAN+ Datasheet - Page 77
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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This signed register contains the linearity offset for phase X current channel when the programmable gain amplifier
is set to unity gain (that is, the measured current is above the low current threshold). The signed value represented
by this register is added to the current value according to following formula:
This register contains the linearity coefficient for phase X current channel when the programmable gain amplifier is
set to gain of 32 (that is, the measured current is below the low current threshold). The effective gain is given by the
equation:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Linearity Offset, High Range, Phase X = A/B/C (X.OFFS_HI) (A: 0x138, B: 0x224, C: 0x310)
Low-Power, Active Energy, Polyphase AFE
______________________________________________________________________________________
15
15
7
7
Linearity Gain Coefficient, Low Range, Phase X = A/B/C (X.GAIN_LO)
14
14
6
6
if LINFRM = 0:
if LINFRM = 1: X.IRMS + X.OFFS_HI x 2
13
13
5
5
Linearity Coefficient High Byte
Linearity Coefficient Low Byte
X IRMS
X GAIN LO
Linearity Offset High Byte
Linearity Offset Low Byte
.
.
2
12
12
4
4
14
2
_
+
0x00
0x00
0x40
0x00
X OFFS HI
.
11
11
3
3
_
×
2
(A: 0x13A, B: 0x226, C: 0x312)
4
24
10
10
2
2
Linearity Compensation
9
1
9
1
8
0
8
0
77
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