THS4302 Datasheet, PDF (10/23 Pages) Texas Instruments – WIDEBAND FIXED-GAIN AMPLIFIER

THS4302
SLOS403G – OCTOBER 2002 – REVISED JANUARY 2005
TYPICAL THS4302 CHARACTERISTICS (5 V) (continued)
OVERDRIVE RECOVERY
5.5
3
5
4.5
4
2.75
3.5
3
2.5
2.5
2
1.5
1
2.25
0.5
0
−0.5
2
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
t − Time − µs
Figure 28.
POWER-DOWN OUTPUT
IMPEDANCE
vs
FREQUENCY
1000
100
V_S = 5 V
10
100 k
1M
10 M 100 M
1G
f − Frequency − Hz
Figure 31.
OUTPUT IMPEDANCE
vs
FREQUENCY
100
V_S = 5 V
10
1
0.1
10 M
100 M
1G
f − Frequency − Hz
Figure 29.
10 G
TURNON AND TURNOFF TIMES
DELAY TIME
80
3
70
2
60
1
50
0
40
−1
30
−2
20
−3
10
0
−10
−15 0
R_L = 100 Ω
−4
V_S = 5 V
−5
−6
15 30 45 60 75
t − Time − µs
Figure 32.
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POWER-DOWN QUIESCENT
CURRENT
vs
SUPPLY VOLTAGE
1200
1100
1000
900
T_A = 85°C
T_A = 25°C
800
T_A = −40°C
700
600
500
400
300
200
100
0
2.5 2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5
V_S − Supply Voltage − V
Figure 30.
POWER-DOWN S-PARAMETER
vs
FREQUENCY
10
V_S = 5 V and 3 V
0
−10 ^RG
RF
C
−20
−30 _{50 Ω}
−40 ^Source
−
+
50 Ω
50 Ω
50 Ω
−50
S22
S11
−60
−70
S12
−80
−90
−100
1M
10 M
100 M 1 G
f − Frequency − Hz
10 G
Figure 33.
10