LMH6518 Datasheet, PDF (2/8 Pages) National Semiconductor (TI) – 825 MHz, Digital Controlled, Variable Gain Amplifier

Absolute Maximum Ratings (Note 1)
Operating Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance
Human Body Model
Machine Model
Supply Voltage
V_CC (5V nominal)
V_DD (3.3V nominal)
2000V
200V
TBD
TBD
Supply Voltage
Temperature Range
Thermal Properties
Junction-to-Ambient
Thermal Resistance (θJ_A), LLP
Junction Temperature
V_CC = 5V (±5%)
V_DD = 3.3V (±5%)
−40°C to 85°C
45°C/W
150°C max
Electrical Characteristics Unless otherwise specified, all limits are guaranteed for T_A = 25°C, Input CM = 2.5V,
V_CM = 1.2V, V_CM AUX = 1.2V, V_CC = 5V, V_DD = 3.3V, R_L = 100Ω differential, V_OUT = 0.7 V_PP differential, Main and Auxiliary Output
Specifications, full bandwidth setting, gain = 18.84 dB (Preamp HG, 0 dB ladder attenuation), Full Power setting (Note 3).
Boldface limits apply at the temperature extremes.
Symbol
Parameter
Dynamic Performance
LSBW
−3 dB Bandwidth
Peaking
Peaking
GF_0.1dB
±0.1 dB Gain Flatness
GF_1dB
TRS
TRL
±1 dB Gain Flatness
Rise Time
Fall Time
OS
t_{s_long}
t_{s_short}
t_recover_1
Overshoot
Long Term Settling time
Short Term Settling time
Recovery Time
(Note 2)
t_recover_2
t_recover_3
t_recover_4
PD
Propagation Delay
PD_var
Propagation Delay Variation
Noise, Distortion, and RF Specifications
e_{n_1}
Input Noise Spectral Density
e_{n_2}
e_{no_1}
RMS Output Noise
e_{no_2}
NF_1
Noise Figure
NF_2
HD2/ HD3_1
HD2/ HD3_2
HD2/ HD3_3
HD2/ HD3_4
IMD3
2^nd/ 3^rd Harmonic Distortion
Intermodulation Distortion
Condition
Min Typ Max Units
All Gains
All Gains
All Gains
All Gains
Main Output
Main Output, ±0.5%
Main Output, ±0.05%
Preamp HG, 0 dB Ladder
ΔV_IN = 12 mV_PP
Preamp HG, 20 dB Ladder
ΔV_IN = 120 mV_PP
Preamp LG, 0 dB Ladder
ΔV_IN = 120 mV_PP
Preamp LG, 20 dB Ladder
ΔV_IN = 1.2 V_PP
Gain Varied
750
825
MHz
0.5
dB
200
MHz
600
MHz
500 TBD
ps
500 TBD
7
%
10
ns
14
5
TBD
ns
TBD
TBD
1.6
ns
100
ps
Max Gain, 10 MHz
Preamp LG and 0 dB Ladder
Attenuation, 10 MHz
Preamp LG and 0 dB Ladder
Attenuation, 100 Hz to 400 MHz
Max Gain, 100 Hz to 400 MHz
Preamp LG and 0 dB Ladder
Attenuation, R_S = 50Ω each Input
Max Gain, R_S = 50Ω each Input
Main Output, 100 MHz, All Gains
Auxiliary Output, 100 MHz, All Gains
Main Output, 250 MHz, All Gains
Auxiliary Output, 250 MHz, All Gains
f = 250 MHz, Main output
0.93
4.3
940
2.2
13.5
3.8
−50/ −53
−48/ −50
−44/ −50
−42/ −42
−65
nV/
μV
mV
dB
dBc
dBc
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