Datasheet

8 Maxim Integrated
Digitally-Programmed, Dual
2nd-Order Continuous Lowpass Filter
MAX270/MAX271
Figure 1a. MAX270 Block Diagram
Figure 1b. MAX271 Block Diagram—µP Mode
LATCH
CONTROL
f
C
LATCH A
D0-D6
13-19
5
INA
OUTA
2
1011
WR
6
V+ V-
9
GND
f
C
LATCH B
EN
3
7
20
INB
OP IN
OUTB
OP OUT
EN
8
1
12
4
A0
SHDN
CS
EN
MAX270
µP MODE
CONTROL
f
C
LATCH A
D0-D6
17-23
5INA
OUTA
T/H OUT
OUTB
2
1516
A1
6
V+ V-
10
GND
f
C
LATCH B
LATCH
CONTROL
EN
EN
3
1
9
7
INB
14 12
CS WR
SHDN*
T/H*
A/B
T/H
A0
*PIN HAS NO FUNCTION IN µP MODE.
D1
D0
MAX271
EN
8 MODE
T/H*
EN
TO V+
µP
MODE
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