THS4302 Datasheet, PDF (8/23 Pages) Texas Instruments – WIDEBAND FIXED-GAIN AMPLIFIER

THS4302
SLOS403G – OCTOBER 2002 – REVISED JANUARY 2005
TYPICAL THS4302 CHARACTERISTICS (5 V) (continued)
SECOND-ORDER
INTERMODULATION DISTORTION
vs
FREQUENCY
−50
−55
F2 − F1
−60
−65
−70
−75
F2 + F1
−80
−85 V_S = 5 V
−90 ^{RL = 100 Ω}
V_O = 1 V_PP Envelope
−95 Tone Spacing = 200 kHz
−100
0
50 100 150 200 250 300
f − Frequency − MHz
Figure 10.
THIRD-ORDER
OUTPUT INTERCEPT POINT
vs
FREQUENCY
43
41
39
50 Source
49.9
+2.5V
49.9
−2.5V
Test data
measurement
point
50 Test
Equipment
49.9
37
35
33
R_L = 100 Ω
V_S = 5 V
31
V_O = 1 V_PP
Envelope
29 _{Tone Spacing = 200 kHz}
27 ^{To 50-Ω Load, Add 3dB to}
Refer To Amplifier Output
25
0
100 200 300 400 500
f − Frequency − MHz
Figure 13.
SETTLING TIME
4
3.75
Rising Edge
3.5
3.25
3
2.75
2.5
2.25
R_L = 100 Ω
f= 1 MHz
V_S = 5 V
2
1.75
Falling Edge
1.5
1.25
1
0.2 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
t − Time − ns
Figure 16.
SECOND-ORDER
OUTPUT INTERCEPT POINT
vs
FREQUENCY
100
95
90
50 Source
49.9
85
+2.5V
49.9
−2.5V
Test data
measurement
point
50 Test
Equipment
49.9
80
Tone Spacing = 200 kHz
75
To 50-Ω Load, Add 3dB to
Refer To Amplifier Output
70
65
60
55
F2 − F1
F2 + F1
50
0
50 100 150 200 250 300
f − Frequency − MHz
Figure 11.
VOLTAGE AND CURRENT NOISE
vs
FREQUENCY
100
100
10
10
I_n
V_n
1
100
1 k 10 k 100 k 1 M
f − Frequency − Hz
1
10 M
Figure 14.
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
50
45
T_A = 85°C
40
T_A = 25°C
35
30
T_A = −40°C
25
20
15
10
5
0
2.5
3
3.5
4
4.5
5
V_S − Supply Voltage − V
Figure 17.
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THIRD-ORDER
INTERMODULATION DISTORTION
vs
FREQUENCY
−50
R_L = 100 Ω
−55 _{VS = 5 V}
−60 ^{200 kHz Tone Spacing}
−65
V_O = 2 V_PP
−70
Envelope
−75
V_O = 1 V_PP
Envelope
−80
−85
−90
−95
−100
10
V_O = 0.5 V_PP
Envelope
100
f − Frequency − MHz
1000
Figure 12.
SETTLING TIME
3.25
Rising Edge
3
2.75
R_L = 100 Ω
f= 1 MHz
V_S = 5 V
2.5
2.25
Falling Edge
2
1.75
0.2 0 0.2 0.4 0.6 0.8 1 1.2
t − Time − ns
Figure 15.
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
1
OUTPUT VOLTAGE
vs
LOAD RESISTANCE
V_S = 5 V
T_A = −40 to 85°C
10
100
R_L − Load Resistance − Ω
Figure 18.
1000
8