THS4303 Datasheet, PDF (9/24 Pages) Texas Instruments – WIDEBAND FIXED-GAIN AMPLIFIER

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TYPICAL THS4303 CHARACTERISTICS (5 V) (continued)
THS4303
SLOS421B – NOVEMBER 2003 – REVISED JANUARY 2005
SECOND-ORDER
OUTPUT INTERCEPT
vs
FREQUENCY
80
75
50 Source
49.9
70
65
+2.5V
49.9
THS4303
−2.5V
Test data
measurement
point
50 Test
Equipment
49.9
60
Note: Add 3 dB to Reference Data to
The Output of the Amplifier.
55
50
V_O = 1 V_PP Envelope
45
R_L = 100 Ω
V_S = 5 V
200 kHz Tone Spacing
40
0
50 100 150 200 250 300
f − Frequency − MHz
Figure 10.
SETTLING TIME
1
Output
0.8
0.6
Input Pulse x 10
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1
R_L = 100 Ω
V_S = 5 V
01234 567 89
t − Time − ns
Figure 13.
OUTPUT VOLTAGE
vs
LOAD RESISTANCE
5
4.5 ^{VS = 5 V}
T_A = −40 to 85°C
4
3.5
3
2.5
2
1.5
1
0.5
0
1
10
100
R_L − Load Resistance − Ω
Figure 16.
1000
THIRD-ORDER OUTPUT INTERCEPT
vs
FREQUENCY
43
41
39
37
50 Source
49.9
+2.5V
49.9
THS4303
−2.5V
Test data
measurement
point
50 Test
Equipment
49.9
35
Note: Add 3 dB to Reference Data to
The Output of the Amplifier.
33
31
29 VO = 1 VPP Envelope
R_L = 100 Ω
27 VS = 5 V
200 kHz Tone Spacing
25
0 50 100 150 200 250 300
f − Frequency − MHz
Figure 11.
SETTLING TIME
1
R_L = 100 Ω
0.8
V_S = 5 V
0.6
0.4
0.2
0
−0.2
−0.4
Output
−0.6
−0.8
Input Pulse x 10
−1
0 12 3 4 56 7 89
t − Time − ns
Figure 14.
CAPACITIVE LOAD FREQUENCY
RESPONSE
22
R_L = 100 Ω
V_S = 5 V
20
R_ISO = 25 Ω, C_L = 10 pF
18
R_ISO = 15 Ω, C_L = 47 pF
16
R_ISO= 10 Ω, C_L = 100 pF
14
−
RISO
12
+
CL
10
1M
10 M
100 M
1G
f − Frequency − Hz
Figure 17.
VOLTAGE AND CURRENT NOISE
vs
FREQUENCY
100
I_n
10
V_n
1
100
1 k 10 k 100 k 1 M
f − Frequency − Hz
10 M
Figure 12.
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 2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5
V_S − Supply Voltage − V
Figure 15.
GAIN
vs
CASE TEMPERATURE
20.1
20.08
20.06
20.04
20.02
V_S = 5 V
20
19.98
19.96
19.94
19.92
19.9
−40−30−20−100 10 20 30 40 50 60 70 80 90
T_C − Case Temperature − °C
Figure 18.
9