LMH6514 Datasheet, PDF (11/31 Pages) National Semiconductor (TI) – 600 MHz, Digital Controlled, Variable Gain Amplifier

LMH6514
www.ti.com
SNOSB06A – JANUARY 2008 – REVISED MARCH 2013
Typical Performance Characteristics
Output Impedance (S22) at ^{VCC = 5V (continued)}
Maximum Gain High Gain Mode
350
40
300
30
Digital Crosstalk
LATCH = 0
250
20
|Z|
200
10
150
0
100
R
50
jX
0
-50
50 100 150 200 250 300 350 400 450
FREQUENCY (MHz)
Figure 26.
-10
-20
3
-30
-40
0
PINS 9, 10, 11,12
0
10 20 30 40 50 60 70 80 90 100
TIME (ns)
Figure 27.
Digital Crosstalk
40
LATCH = 3.3V
30
20
10
0
-10
-20
3
-30
-40
0
PINS 9, 10, 11,12
0
10 20 30 40 50 60 70 80 90 100
TIME (ns)
Figure 28.
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 29.
1000
Minimum Gain to Maximum Gain Switching
Using Latch Pin
4
R_L = 100:
3
LATCH PIN
2
1.5
1
1
0
0.5
0
V_OUT
-0.5
-1
-1.5
0
10
20
30
40
TIME (ns)
Figure 30.
Maximum Gain to Minimum Gain Switching
Using Latch Pin
LATCH PIN
4
R_L = 100:
3
2
1.5
1
1
0
0.5
0
-0.5
V_OUT
-1
-1.5
0
10
20
30
40
TIME (ns)
Figure 31.
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