THS4302_14 Datasheet, PDF (8/28 Pages) Texas Instruments – WIDEBAND FIXED-GAIN AMPLIFIER

THS4302
SLOS403H – OCTOBER 2002 – REVISED AUGUST 2006
TYPICAL THS4302 CHARACTERISTICS (5 V) (continued)
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THIRD-ORDER
OUTPUT INTERCEPT POINT
vs
FREQUENCY
43
41
50 Source
49.9
+2.5V
49.9
Test data
measurement
point
50 Test
Equipment
39
49.9
−2.5V
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
2
R_L = 100 Ω
f= 1 MHz
V_S = 5 V
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.
CAPACITIVE LOAD
FREQUENCY RESPONSE
1
0.5
R_(ISO) = 24.9 Ω,
C_L = 10 pF
0
−0.5
−1
−1.5
R_(ISO) = 8 Ω,
C_L = 100 pF
−2 ^R(ISO) ^{= 12.1 Ω,}
C_L = 47 pF
−2.5
V_S = 5 V
−3
10 M
100 M
1G
f − Frequency − Hz
Figure 19.
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
Figure 14.
1
10 M
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.
GAIN
vs
CASE TEMPERATURE
14.02
14
13.98
13.96
V_S = 5 V
13.94
13.92
−40−30−20−10 0 10 20 30 40 50 60 70 80 90
Case Temperature − °C
Figure 20.
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
REJECTION RATIOS
vs
FREQUENCY
70
60
PSRR+
50
CMRR
40
30
20
10
V_S = 5 V
0
100 k
1M
10 M
100 M 1 G
f − Frequency − Hz
Figure 21.
8
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