THS4505 Datasheet, PDF (13/38 Pages) Texas Instruments – WIDEBAND, LOW-DISTORTION, FULLY DIFFERENTIAL AMPLIFIERS

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TYPICAL CHARACTERISTICS (±5 V Graphs) (continued)
THS4504
THS4505
SLOS363C – AUGUST 2002 – REVISED MARCH 2004
OUTPUT VOLTAGE
vs
LOAD RESISTANCE
5
4
3
2
1
V_S = ±5 V
0
T_A = −40 to 85°C
−1
−2
−3
−4
−5
10
100
1000
R_L − Load Resistance − Ω
10000
Figure 28.
SMALL SIGNAL FREQUENCY
RESPONSE AT V_OCM
3
Gain = 1
2
R_L = 400 Ω
R_f = 499 Ω
P_IN= −20 dBm
1 VS = ±5 V
0
−1
−2
−3
1
10
100
f − Frequency − MHz
Figure 31.
1000
CLOSED-LOOP OUTPUT
IMPEDANCE
vs
FREQUENCY
100
Gain = 1
R_L = 400 Ω
R_f = 499 Ω
V_I = −4 dBm
10 _{VS = ±5 V}
1
0.1
0.1
1
10
100
f − Frequency − MHz
Figure 29.
OUTPUT OFFSET VOLTAGE AT
V_OCM
vs
OUTPUT COMMON-MODE
VOLTAGE
600
400
200
0
−200
−400
−600
−5 −4 −3 −2 −1 0 1 2 3 4 5
V_OC − Output Common-Mode Voltage − V
Figure 32.
HARMONIC DISTORTION
vs
OUTPUT COMMON-MODE
VOLTAGE
0
Single-Ended to
−10 _{Differential Output}
−20 ^{Gain = 1}
V_O = 2 V_PP
−30 _{Rf = 499 Ω}
−40 ^VS ^{= ±5 V}
−50
HD3, 30 MHz _{HD2, 30 MHz}
−60
−70
HD2, 8 MHz
−80
HD2, 3 MHz
−90
−100
−3.5 −2.5 −1.5 −0.5 0.5 1.5 2.5 3.5
V_OCM − Output Common-Mode Voltage − V
Figure 30.
QUIESCENT CURRENT
vs
POWER-DOWN VOLTAGE
30
25
20
15
10
5
0
−5
−5 −4.5 −4 −3.5 −3 −2.5 −2 −1.5 −1 −0.5 0
Power-Down Voltage − V
Figure 33.
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