LMH6521_16 Datasheet, PDF (12/29 Pages) Texas Instruments – High Performance Dual DVGA

LMH6521
SNOSB47D – MAY 2011 – REVISED MARCH 2013
+5V
+
0.01 PF
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50:
0.01 PF
IN+
OUT+
40.2: 0.01 PF
AC
½
LMH6521
100:
OUT-
50:
0.01 PF ^IN-
40.2: 0.01 PF
6
1 PH
1 PH
A0 - A5
Figure 27. Basic Operating Connection
+5V
INA+
INA-
ATTEN_A
LATCH _A
EN_A
PULSE_A
SPI
ATTEN_B
LATCH _B
EN_B
PULSE_B
INB+
INB-
Attenuator
0 dB to 31.5 dB
6
2
4
Digital
Control
6
2
Attenuator
0 dB to 31.5 dB
26 dB
26 dB
OUTA+
OUTA-
OUTB+
OUTB-
GND
Figure 28. LMH6521 Block Diagram
12
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