THS4303_14 Datasheet, PDF (11/30 Pages) Texas Instruments – WIDEBAND FIXED-GAIN AMPLIFIER

www.ti.com
TYPICAL THS4303 CHARACTERISTICS (5 V) (continued)
THS4303
SLOS421B – NOVEMBER 2003 – REVISED JANUARY 2005
CLOSED-LOOP
OUTPUT IMPEDANCE
vs
FREQUENCY
100
R_L = 100 Ω
V_O = 200 mV
V_S = 5 V
10
1
0.1
0.01
100 k
1 M 10 M 100 M 1 G
f − Frequency − Hz
Figure 27.
10 G
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 28.
POWER-DOWN S-PARAMETER
vs
FREQUENCY
10
0
−10 _{VS = 5 V}
−20
−30
S22
S11
−40
−50
−60
−70
−80
−90
100 k
S12
1 M 10 M 100 M 1 G
f − Frequency − Hz
10 G
Figure 29.
POWER-DOWN OUTPUT IMPEDANCE
vs
FREQUENCY
1000
100
R_L = 100 Ω
V_O = 200 mV
V_S = 5 V
10
100 k
1M
10 M
100 M 1 G
f − Frequency − Hz
Figure 30.
TURN-ON AND TURN-OFF TIMES DELAY TIME
1.5
2
R_L = 100 Ω
1
V_S = 5 V
1.5
0.5
1
Input
0
0.5
−0.5
0
−1
−0.5
−1.5
−2
−2.5
−1
Output
−1.5
−2
0 100 200 300 400 500 600 700 800
t − Time − ns
Figure 31.
11