THS4502 Datasheet, PDF (19/40 Pages) Texas Instruments – WIDEBAND, LOW-DISTORTION FULLY DIFFERENTIAL AMPLIFIERS

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THS4502
THS4503
SLOS352D − APRIL 2002 − REVISED JANUARY 2004
TYPICAL CHARACTERISTICS
SMALL SIGNAL FREQUENCY RESPONSE
at V_OCM
3
Gain = 1
2
R_L = 800 Ω
R_f = 499 Ω
P_IN= −20 dBm
1 VS = 5 V
0
−1
−2
−3
1
10
100
f − Frequency − MHz
Figure 86
1000
TURNON AND TURNOFF DELAY TIMES
0.03
0.02
0.01
Current
0
0
−1
−2
−3
−4
−5
−6
0 0.5 1 1.5 2 2.5 3 100.5 101 102 103
t − Time − ms
Figure 89
OUTPUT OFFSET VOLTAGE
vs
OUTPUT COMMON-MODE VOLTAGE
800
600
400
200
0
−200
−400
−600
−800
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V_OC − Output Common-Mode Voltage − V
Figure 87
QUIESCENT CURRENT
vs
POWER-DOWN VOLTAGE
25
20
15
10
5
0
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5
Power-down Voltage − V
Figure 88
SINGLE-ENDED OUTPUT IMPEDANCE
IN POWER DOWN
vs
FREQUENCY
1100
1000
900
800
700
600
500
400 _{Gain = 1}
300 ^RL ^{= 400 Ω}
200
R_f = 392 Ω
P_IN = −1 dBm
100 V_S = 5 V
0
0.1
1
10
100
f − Frequency − MHz
Figure 90
1000
POWER-DOWN QUIESCENT CURRENT
vs
CASE TEMPERATURE
1
0.9
R_L = 800 Ω
V_S = 5 V
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
−40 −30−20−10 0 10 20 30 40 50 60 70 80 90
Case Temperature − °C
Figure 91
POWER-DOWN QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
1000
900
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 92
19