Datasheet

0 100 200 300 400 500
TIME (ns)
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
ERROR (%)
0 dB Ladder Attenuation
50% Overdrive
Preamp HG or LG
-10 -6 -2 2 6 10
600
800
1000
1200
1400
1600
1800
OUTPUT VOLTAGE (V)
DELTA-V
IN
(mV)
+OUT
-OUT
-40°C
85°C
25°C
-40°C
25°C, 85°C
Main or Auxiliary Output
HG, 0 dB
-100 -60 -20 20 60 100
800
900
1000
1100
1200
1300
1400
1500
1600
OUTPUT VOLTAGE (V)
DELTA-V
IN
(mV)
+OUT
-OUT
-40°C
25°C, 85°C
25°C, 85°C
-40°C
Main or Auxiliary Output
HG, 20 dB
-100 -60 -20 20 60 100
600
800
1000
1200
1400
1600
1800
OUTPUT VOLTAGE (V)
DELTA-V
IN
(mV)
+OUT
-OUT
-40°C
85°C
25°C
-40°C
25°C, 85°C
Main or Auxiliary Output
LG, 0 dB
-1 -0.6 -0.2 0.2 0.6 1
800
900
1000
1100
1200
1300
1400
1500
1600
OUTPUT VOLTAGE (V)
DELTA-V
IN
(V)
+OUT
-OUT
25°C, 85°C
-40°C
25°C, 85°C
-40°C
Main or Auxiliary Output
LG, 20 dB
-5 0 5 10 15 20 25 30 35 40
-10
-5
0
5
10
15
20
25
ERROR from NOMINAL FILTER BW (%)
GAIN (dB)
LG
HG
350 MHz
650 MHz
750 MHz
750 MHz
350 MHz
650 MHz
LMH6518
www.ti.com SNOSB21C –MAY 2008–REVISED JULY 2013
Typical Performance Characteristics (continued)
Unless otherwise specified, Input CM = 2.5V, V
CM
= 1.2V, V
CM AUX
= 1.2V, Single-ended input drive, V
CC
= 5V, V
DD
= 3.3V, R
L
= 100Ω differential (both Main & Auxiliary Outputs), V
OUT
= 0.7 V
PP
differential (both Main and Auxiliary Outputs), Main output
specification (Auxiliary is labeled “Auxiliary”), full bandwidth setting, gain = 18.8 dB (Preamp LG, 0 dB ladder attenuation), Full
Power setting
(1)
.
Filter BW Output
vs. vs.
Gain Input
Figure 50. Figure 51.
Output Output
vs. vs.
Input Input
Figure 52. Figure 53.
Output
vs.
Input Overdrive Recovery Time (Return to Zero)
Figure 54. Figure 55.
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