THS4501 Datasheet, PDF (18/48 Pages) National Semiconductor (TI) – WIDEBAND, LOW-DISTORTION, FULLY DIFFERENTIAL AMPLIFIERS

THS4500
THS4501
SLOS350F – APRIL 2002 – REVISED OCTOBER 2011
www.ti.com
TYPICAL CHARACTERISTICS: 5 V (continued)
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
Single-Ended Input to
−10 _{Differential Output}
−20 ^{Gain = 2}
R_L = 800 Ω
−30 Rf = 1 kΩ
f = 30 MHz
−40 _{VS = 5 V}
−50
HD2
0
0
Differential Input to
10
Differential Output
−10
20
Gain = 2
−20
R_L = 800 W
30
R_F = 1 kW
−30
40
f = 30 MHz
−40
V_S = 5 V
50
HD2
−50
−60
60
HD3
−70
70
−60
HD3
−70
−80
80
−80
−90
−100
0 0.5
1
1.5 2
2.5 3
V_O − Output Voltage Swing − V
90
100
0 0.5
1
1.5 2
2.5 3
V_O - Output Voltage Swing - V
−90
−100
0
HARMONIC DISTORTION
vs
LOAD RESISTANCE
Single-Ended Input to
Differential Output
Gain = 1
V_O = 2 V_PP
R_f = 392 Ω
f= 30 MHz
V_S = 5 V
HD2
HD3
400
800
1200
R_L − Load Resistance − Ω
1600
Figure 69.
Figure 70.
Figure 71.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
HARMONIC DISTORTION
vs
LOAD RESISTANCE
Differential Input to
Differential Output
Gain = 1
V_O = 2 V_PP
R_F = 392 W
f = 30 MHz
V_S = 5 V
HD2
HD3
400
800
1200
R_L - Load Resistance - W
Figure 72.
1600
THIRD-ORDER INTERMODULATION
DISTORTION
vs
FREQUENCY
−50
Single-Ended Input to
Differential Output
−60 ^{Gain = 1}
V_O = 2 V_PP
R_f = 392 Ω
−70 ^{RL = 800 Ω}
V_S = 5 V
−80
−90
−100
10
100
f − Frequency − MHz
Figure 73.
THIRD-ORDER OUTPUT INTERCEPT
POINT
vs
FREQUENCY
55
Gain = 1
V_O = 2 V_PP
50
R_F = 392 W
R_L = 800 W
V_S = 5 V
45
40
35
30
0 20 40 60 80 100 120
f - Frequency - MHz
Figure 74.
SLEW RATE
vs
DIFFERENTIAL OUTPUT VOLTAGE
STEP
1400
1200
1000
Gain = 1
R_L = 800 Ω
R_f = 392 Ω
V_S = 5 V
800
600
400
200
0
0 0.5 1 1.5 2 2.5 3
V_O − Differential Output Voltage Step − V
Figure 75.
LARGE-SIGNAL TRANSIENT
RESPONSE
2
1.5
1
0.5
0
−0.5
−1
Gain = 1
R_L = 800 Ω
R_f = 392 Ω
t_r/t_f = 300 ps
V_S = 5 V
−1.5
−2
−100 0
100 200 300 400 500
t − Time − ns
Figure 76.
SMALL-SIGNAL TRANSIENT
RESPONSE
0.4
0.3
0.2
0.1
0
−0.1
Gain = 1
R_L = 800 Ω
R_f = 392 Ω
t_r/t_f = 300 ps
V_S = 5 V
−0.2
−0.3
−0.4
−100 0
100 200 300 400 500
t − Time − ns
Figure 77.
18
Submit Documentation Feedback
Copyright © 2002–2011, Texas Instruments Incorporated
Product Folder Link(s): THS4500 THS4501