THS4502_16 Datasheet, PDF (12/48 Pages) Texas Instruments – Wideband, Low-Distortion Fully Differential Amplifiers

THS4502
THS4503
SLOS352E – APRIL 2002 – REVISED OCTOBER 2011
www.ti.com
TYPICAL CHARACTERISTICS (±5 V Graphs) (continued)
HARMONIC DISTORTION
HARMONIC DISTORTION
HARMONIC DISTORTION
vs
vs
vs
OUTPUT VOLTAGE SWING
0
Differential Input to
-10 _{Differential Output}
-20 ^{Gain = 2}
R_L = 800 Ω
-30 _{Rf = 1.3 kΩ}
-40 ^{f= 8 MHz}
V_S = ±5 V
-50
HD3
LOAD RESISTANCE
0
Single-Ended Input to
-10 _{Differential Output}
Gain = 1
-20 _{VO = 2 VPP}
-30 R_f = 499 Ω
f= 30 MHz
-40 _{VS = ±5 V}
-50
LOAD RESISTANCE
0
Differential Input to
-10
Differential Output
-20
Gain = 1
V_O = 2 V_PP
-30
R_f = 499 Ω
-40
f= 30 MHz
V_S = ±5 V
-50
-60
-70
HD2
-60
-70
-60
HD2
-70
HD2
-80
-90
-100
0 1 2 3 4 5 6 7 8 9 10
V_O - Output Voltage Swing - V
-80
-90
-100
0
HD3
400
800
1200
R_L - Load Resistance - Ω
1600
-80
-90
-100
0
HD3
400
800
1200
R_L - Load Resistance - Ω
1600
Figure 19.
Figure 20.
Figure 21.
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 ^{VS = ±5 V}
Tone Spacing = 200 kHz
-80
-90
-100
10
100
f - Frequency - MHz
Figure 22.
THIRD-ORDER OUTPUT INTERCEPT
POINT
vs
FREQUENCY
60
55
Normalized to 200 Ω
Normalized to 50 Ω
50
45
40
35
OIP₃ R_L= 800 Ω
30
Gain = 1
25 _{Rf = 392 Ω}
20
V_S = ± 5 V
Tone Spacing = 200 kHz
15
0 10 20 30 40 50 60 70 80 90 100
f - Frequency - MHz
Figure 23.
SLEW RATE
vs
DIFFERENTIAL OUTPUT VOLTAGE STEP
3000
Gain = 1
2500
R_L = 800 Ω
R_f = 499 Ω
f= 8 MHz
2000 VS = ±5 V
1500
1000
500
0
0 0.5 1 1.5 2 2.5 3 3.5 4
V_O - Differential Output Voltage Step - V
Figure 24.
1.5
1
0.5
0
-0.5
-1
-1.5
0
SETTLING TIME
Rising Edge
Gain = 1
R_L = 800 Ω
R_f = 499 Ω
f= 1 MHz
V_S = ±5 V
Falling Edge
5
10
15
20
t - Time - ns
Figure 25.
2.5
2
1.5
1
0.5
0
-0.5
-1
-1.5
-2
-2.5
0
SETTLING TIME
Rising Edge
Gain = 1
R_L = 800 Ω
R_f = 499 Ω
f= 1 MHz
V_S = ±5 V
Falling Edge
5
10
15
20
t - Time - ns
Figure 26.
LARGE-SIGNAL TRANSIENT RESPONSE
3
2
1
Gain = 1
R_L = 800 Ω
R_f = 499 Ω
0
t_r/t_f = 300 ps
V_S = ±5 V
-1
-2
-3
-100 0
100 200 300
t - Time - ns
400 500
Figure 27.
12
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