THS4509_14 Datasheet, PDF (12/43 Pages) Texas Instruments – WIDEBAND, LOW-NOISE, LOW-DISTORTION, FULLY-DIFFERENTIAL AMPLIFIER

THS4509
SLOS454H – JANUARY 2005 – REVISED NOVEMBER 2009
www.ti.com
TYPICAL CHARACTERISTICS: V_S+ – V_S– = 5 V (continued)
Test conditions at V_S+ = +2.5 V, V_S– = –2.5V, CM = open, V_O = 2 V_PP, R_F = 349 Ω, R_L = 200-Ω differential, G = 10 dB,
single-ended input, and input and output referenced to midrail, unless otherwise noted.
OIP₂ vs FREQUENCY
90
85 Gain = 6 dB
80
Gain = 14 dB
OIP₃ vs FREQUENCY
45
43
Gain = 6 dB
41
75
70
65
Gain = 10 dB
60
55
50
39
Gain = 10 dB
37
35
33
31
29
Gain = 14 dB
45
40
0
50
100
150
200
f − Frequency − MHz
Figure 19.
27
25
0
50
100
150
200
250
f − Frequency − MHz
Figure 20.
0.1-dB FLATNESS
10.2
VOD = 2V_PP
10.1
10
9.9
9.8
0.1
1
10
100
f − Frequency − MHz
Figure 21.
1000
S-PARAMETERS vs FREQUENCY
0
S21
-10
-20
S11
-30
-40 S22
-50
-60
S12
-70
1
10
100
f - Frequency - MHz
1000
Figure 22.
TRANSITION RATE vs OUTPUT VOLTAGE
8000
7000
6000
5000
Rise
Fall
4000
3000
2000
1000
0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
V_OD - Differential Output Voltage - V_STEP
Figure 23.
TRANSIENT RESPONSE
1.5
1
0.5
0
V_OD = 2 V_step
−0.5
−1
−1.5
t − Time − 500 ps/div
Figure 24.
12
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