MAX11043 Maxim Integrated Products, MAX11043 Datasheet - Page 30

• Manufacturer Part Number: MAX11043
• Description: Simultaneous Sampling ADCs
• Manufacturer: Maxim Integrated Products

w w w . D a t a S h e e t 4 U . c o m
4-Channel, 16-Bit, Simultaneous-Sampling ADCs
with PGA, Filter, and 8-/12-Bit Dual-Stage DAC
Table 4. Typical Filter Coefficients
Register Map (Filter A, Stage 3)
Format for Filter Stage Gain (51h)
X<15>: Don’t-care bit. Not used.
GAIN2:GAIN0<14:12>: Filter gain.
000 = 2
001 = 2
010 = 2
011 = 2
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COEFFICIENT FLASH
BIT 15
______________________________________________________________________________________
BIT 7
X
X
ADDRESS
4
2
0
-2
= 16.
= 4.
= 1.
51h
52h
53h
54h
55h
56h
= 0.25.
Digital Filter Coefficients
BIT 14
GAIN2
BIT 6
X
Gain for filter A, stage 3
A2 coefficient for filter A, stage 3
Not used; set to 0
A3 coefficient for filter A, stage 3
B3 coefficient and rectify flag
(RECT) for filter A, stage 3
B2 coefficient for filter A, stage 3
BIT 13
GAIN1
BIT 5
FUNCTION
X
BIT 12
GAIN0
BIT 4
X
100 = 2
101 = 2
110 = 2
111 = 2
X<11:0>: Don’t-care bits. Not used.
BIT 11
BIT 3
X
X
-4
-6
-8
-10
= 0.0625.
= 0.015625.
= 0.00390625.
= 0.0009765625.
BIT 10
BIT 2
X
X
BIT 9
BIT 1
X
X
BIT 8
BIT 0
X
X