Datasheet

R
OUT
V
OUT
A
0
A
1
A
0
SD
LMH6570
0
1
IN
2:1
LMH6570
2
3
IN
2:1
SD
R
OUT
A
0
1
4
+
-
+
-
2
7
8
3
1
4
3
2
7
8
R
F
R
G
R
G
R
F
NET GAIN = 0.5 * STAGE GAIN * GAIN ERROR =
0.993 V/V
ON
+
OFF
+
OFF
+
OFF
+
576:
487:
487:
576:
487:
576:
487:
576:
R
L
75:
R
1
75:
R
2
75:
R
3
75:
R
4
75:
STAGE GAIN = 1 + R
F
/R
G
= 2.18 V/V
GAIN
ERROR
[(1138/3) || 75] · 2
[(1138/3) || 75] + 75
=
=
0.91 V/V
LMH6570
SNCS104C APRIL 2005REVISED MAY 2013
www.ti.com
Figure 28. Multiplexer Gain Compensation
BUILDING A 4:1 MULITPLEXER
Figure 29 shows an 4:1 MUX using two LMH6570’s.
Figure 29. 4:1 MUX USING TWO LMH6570's
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