THS4503-EP Datasheet, PDF (12/40 Pages) Texas Instruments – WIDEBAND, LOW-DISTORTION FULLY DIFFERENTIAL AMPLIFIERS

THS4503−EP
SGLS291A − APRIL 2005 − JANUARY 2012
www.ti.com
TYPICAL CHARACTERISTICS (±5 V Graphs)
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 29
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 30
OVERDRIVE RECOVERY
6
3
Gain = 4
R_L = 800 Ω
4
R_f = 499 Ω
2
Overdrive = 5.5 V
2
V_S = ±5 V
1
0
0
−2
−1
−4
−2
−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 31
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 32
OUTPUT BALANCE ERROR
vs
FREQUENCY
0
P_IN = −20 dBm
−10 ^RL ^{= 800 Ω}
R_f = 499 Ω
−20 ^{VS = ±5 V}
−30
−40
−50
−60
−70
0.1
1
10
100
f − Frequency − MHz
Figure 35
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 33
OPEN-LOOP GAIN AND PHASE
vs
FREQUENCY
60
30
Gain
P_IN = −30 dBm
50
R_L = 800 Ω
R_f = 100 kΩ
0
V_S = ±5 V
40
−30
30
−60
Phase
20
−90
10
−120
0
0.01
0.1
1
10
100
f − Frequency − MHz
−150
1000
Figure 36
REJECTION RATIOS
vs
CASE TEMPERATURE
100
CMMR
90
PSRR+
80
70
PSRR−
60
50
40
30
20
10
0
−40−30−20−10 0
R_L = 800 Ω
V_S = ±5 V
10 20 30 40 50 60 70 80 90
Case Temperature − °C
Figure 34
OPEN-LOOP GAIN
vs
CASE TEMPERATURE
57
56
R_L = 800 Ω
V_S = ±5 V
55
54
53
52
51
50
49
48
−40−30−20−100 10 20 30 40 50 60 70 80 90
Case Temperature − °C
Figure 37
12