THS4503-EP Datasheet, PDF (17/40 Pages) Texas Instruments – WIDEBAND, LOW-DISTORTION FULLY DIFFERENTIAL AMPLIFIERS

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THS4503−EP
SGLS291A − APRIL 2005 − JANUARY 2012
TYPICAL CHARACTERISTICS (5 V Graphs)
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
−10
Differential Input to
Differential Output
−20 Gain = 2
−30
R_L = 800 Ω
R_f = 1.3 kΩ
−40 f= 8 MHz
−50 ^{VS = 5 V}
HD3
−60
HD2
−70
−80
−90
−100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V_O − Output Voltage Swing − V
Figure 69
0
−10
−20
−30
−40
−50
−60
−70
−80
−90
−100
0
HARMONIC DISTORTION
vs
LOAD RESISTANCE
Single-Ended Input to
Differential Output
Gain = 1
V_O = 2 V_PP
R_f = 499 Ω
f= 30 MHz
V_S = 5 V
HD2
HD3
400
800
1200
R_L − Load Resistance − Ω
1600
Figure 70
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 = 499 Ω
f= 30 MHz
V_S = 5 V
HD2
HD3
400
800
1200
R_L − Load Resistance − Ω
1600
Figure 71
SLEW RATE
vs
DIFFERENTIAL OUTPUT VOLTAGE STEP
1600
Gain = 1
1400
1200
R_L = 800 Ω
R_f = 499 Ω
V_S = 5 V
1000
800
600
400
200
0
0 0.5 1 1.5 2 2.5 3 3.5 4
V_O − Differential Output Voltage Step − V
Figure 72
LARGE-SIGNAL TRANSIENT RESPONSE
2
1.5
1
0.5
0
−0.5
−1
Gain = 1
R_L = 800 Ω
R_f = 499 Ω
t_r/t_f = 300 ps
V_S = 5 V
−1.5
−2
−100 0
100 200 300
t − Time − ns
Figure 73
400 500
SMALL-SIGNAL TRANSIENT RESPONSE
0.4
0.3
0.2
0.1
0
−0.1
Gain = 1
R_L = 800 Ω
R_f = 499 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 74
VOLTAGE AND CURRENT NOISE
vs
FREQUENCY
100
V_n
10
I_n
1
0.01 0.1
1
10 100 1000 10 k
f − Frequency − kHz
Figure 75
REJECTION RATIOS
vs
FREQUENCY
90
80
PSRR+
70
60
50
40
PSRR−
CMMR
30
20
10
0
R_L = 800 Ω
V_S = 5 V
−10
0.1
1
10
100
f − Frequency − MHz
Figure 76
REJECTION RATIOS
vs
CASE TEMPERATURE
120
PSRR+
100
CMMR
80
PSRR−
60
40
20
R_L = 800 Ω
V_S = 5 V
0
−40−30−20−10 0 10 20 30 40 50 60 70 80 90
Case Temperature − °C
Figure 77
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