THS4504 Datasheet, PDF (11/45 Pages) National Semiconductor (TI) – WIDEBAND, LOW-DISTORTION, FULLY DIFFERENTIAL AMPLIFIERS

THS4504
THS4505
www.ti.com ......................................................................................................................................................... SLOS363D – AUGUST 2002 – REVISED MAY 2008
TYPICAL CHARACTERISTICS: ±5 V (continued)
THIRD-ORDER OUTPUT INTERCEPT
POINT
vs
FREQUENCY
60
Gain = 1, R_F = 499 W
50
V_O = 2 V_PP, V_S = ±5 V
200 kHz Tone Spacing
40
Normalized to 50 W
30
20 _{Normalized to 200 W}
10
R_L = 800 W
200 kHz Tone Spacing
0
0
20
40
60
80 100
f - Frequency - MHz
Figure 10.
SETTLING TIME
3
Rising Edge
2
Gain = 1
1
R_L = 800 Ω
R_f = 499 Ω
0
f= 1 MHz
V_S = ±5 V
−1
Falling Edge
−2
−3
0 5 10 15 20 25 30 35 40
t − Time − ns
Figure 13.
SLEW RATE
vs
DIFFERENTIAL OUTPUT VOLTAGE
STEP
2000
1800
1600
1400
Gain = 1
R_L = 800 Ω
R_f = 499 Ω
V_S = ±5 V
Fall
Rise
1200
1000
800
600
400
200
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V_O − Differential Output Voltage Step − V
Figure 11.
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
100 200 300 400 500
t − Time − ns
Figure 14.
OVERDRIVE RECOVERY
5
2.5
Gain = 4
4
R_L = 800 Ω
2
3
R_f = 499 Ω
1.5
Overdrive = 4.5 V
2
V_S = ±5 V
1
1
0.5
0
0
−1
−0.5
−2
−1
−3
−1.5
−4
−2
−5
−2.5
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
t − Time − µs
Figure 16.
OVERDRIVE RECOVERY
6
3
Gain = 4
5 _{RL = 800 Ω}
4 R_f = 499 Ω
2
3 Overdrive = 5.5 V
2 ^{VS = ±5 V}
1
1
0
0
−1
−2
−1
−3
−4
−2
−5
−6
−3
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
t − Time − µs
Figure 17.
SETTLING TIME
1.5
Rising Edge
1.0
0.5
Gain = 1
R_L = 800 W
0
R_F = 499 W
f = 1 MHz
V_S = ± 5 V
-0.5
Falling Edge
-1.0
-1.5
0
5 10 15 20 25 30
t - Time - ns
Figure 12.
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 15.
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 18.
Copyright © 2002–2008, Texas Instruments Incorporated
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