THS4504 Datasheet, PDF (14/45 Pages) National Semiconductor (TI) – WIDEBAND, LOW-DISTORTION, FULLY DIFFERENTIAL AMPLIFIERS

THS4504
THS4505
SLOS363D – AUGUST 2002 – REVISED MAY 2008 ......................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: ±5 V (continued)
POWER-DOWN QUIESCENT CURRENT
vs
CASE TEMPERATURE
1000
900 ^{RL = 800 Ω}
V_S = ±5 V
800
700
600
500
400
300
200
100
0
−40 −30−20−10 0 10 20 30 40 50 60 70 80 90
Case Temperature − °C
Figure 36.
POWER-DOWN QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
1000
900 ^{RL = 800 Ω}
800
700
600
500
400
300
200
100
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V_S − Supply Voltage − ±V
Figure 37.
TYPICAL CHARACTERISTICS: 5 V
SMALL-SIGNAL UNITY-GAIN
FREQUENCY RESPONSE
1
0
−1
−2
Gain = 1
R_L = 800 Ω
−3 Rf = 499 Ω
P_IN = −20 dBm
V_S = 5 V
−4
0.1
1
10
100
f − Frequency − MHz
Figure 38.
1000
LARGE-SIGNAL FREQUENCY
RESPONSE
25
Gain = 10, R_f = 1.8 kΩ
20
R_L = 800 Ω
V_O = 2 V_PP
V_S = 5 V
15 ^{Gain = 5, Rf = 1.8 kΩ}
10
Gain = 2, R_f = 1.8 kΩ
5
Gain = 1, R_f = 1.8 kΩ
0
−5
0.1
1
10
100
f − Frequency − MHz
Figure 41.
1000
SMALL-SIGNAL FREQUENCY
RESPONSE
22
Gain = 10
20
18
16
Gain = 5
14
12
10
8 _{Gain = 2}
6
4 ^RL ^{= 800 Ω}
2
R_f = 499 Ω
P_IN = −20 dBm
0
V_S = 5 V
−2
0.1
1
10
100
1000
f − Frequency − MHz
Figure 39.
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
−10 ^{Single-Ended Input to}
Differential Output
−20 Gain = 1
−30
R_L = 800 Ω
R_f = 499 Ω
−40 f= 8 MHz
−50 ^{VS = 5 V}
−60
HD3
−70
−80
HD2
−90
−100
0
0.5 1 1.5 2 2.5 3 3.5 4
V_O − Output Voltage Swing − V
Figure 42.
0.1-dB GAIN FLATNESS
FREQUENCY RESPONSE
0.05
0
−0.05
R_f = 499 Ω
−0.1
−0.15
−0.2
−0.25
−0.3
1
Gain = 1
R_L = 800 Ω
P_IN = −20 dBm
V_S = 5 V
10
100
f − Frequency − MHz
Figure 40.
1000
HARMONIC DISTORTION
vs
FREQUENCY
0
−10 ^{Single-Ended Input to}
Differential Output
−20 Gain = 1
−30
R_L = 800 Ω
R_f = 499 Ω
−40 VO = 2 VPP
−50 ^{VS = 5 V}
−60
HD3
−70
−80
−90
−100
0.1
HD2
1
10
100
f − Frequency − MHz
Figure 43.
14
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