LMH6515 Datasheet, PDF (12/31 Pages) National Semiconductor (TI) – 600 MHz, Digital Controlled, Variable Gain Amplifier

LMH6515
SNOSAX4C – AUGUST 2007 – REVISED MARCH 2013
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TYPICAL PERFORMANCE CHARACTERISTICS
Digital Crosstalk
V_CC = 5V (continued)
Digital Crosstalk
40
40
LATCH = 0
30
LATCH = 3.3V
30
20
20
10
10
0
0
-10
-10
-20
3
-20
3
-30
-40
0
PINS 9, 10, 11,12
0
10 20 30 40 50 60 70 80 90 100
TIME (ns)
Figure 26.
-30
-40
0
PINS 9, 10, 11,12
0
10 20 30 40 50 60 70 80 90 100
TIME (ns)
Figure 27.
Digital Pin to Output Isolation
-30
P_IN = -10 dBm
LOAD = 200:
-40 _{MAX GAIN}
-50
LATCH
-60
-70
-80
-90
1
GAIN 1
10
100
FREQUENCY (MHz)
Figure 28.
1000
Minimum Gain to Maximum Gain Switching
Using Latch Pin
3
LATCH
2
1
0
0.6
0.3
V_OUT
0
-0.3
-0.6
0 10 20 30 40 50 60 70 80 90 100
TIME (ns)
Figure 29.
Maximum Gain to Minimum Gain Switching
Using Latch Pin
3
2
LATCH
1
0
0.6
16 dB Gain Step Using Latch Pin
3
2
LATCH
1
0
0.6
0.3
V_OUT
0
0.3
V_OUT
0
-0.3
-0.3
-0.6
0 10 20 30 40 50 60 70 80 90 100
TIME (ns)
Figure 30.
-0.6
0 10 20 30 40 50 60 70 80 90 100
TIME (ns)
Figure 31.
12
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