THS4509 Datasheet, PDF (12/30 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

THS4509
SLOS454 – JANUARY 2005
TURN-OFF TIME
2
5
1.6
4
Output
1.2
3
PD
0.8
2
0.4
1
0
0
−2 0 2 4 6 8 10 12 14
t − Time − µs
Figure 28.
90
80
70
60
50
40
30
20
10
0
−10
1
OPEN LOOP GAIN AND PHASE
vs
FREQUENCY
50
Gain
0
Phase
−50
−100
−150
−200
100
10 k 1 M 100 M
f − Frequency − Hz
−250
10 G
Figure 31.
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
40
35 ±1.35 V
T_A = 25°C
T_A = −40°C
T_A = 85°C
30
25
1
1.5
2
2.5
V_S − Supply Voltage − +V
Figure 34.
TURN-ON TIME
2
5
1.6
PD
4
1.2
3
Output
0.8
2
0.4
1
0
0
−50 0 50 100 150 200 250
t − Time − ns
Figure 29.
INPUT REFERRED NOISE
vs
FREQUENCY
1000
100
In
10
Vn
1
10 100 1 k 10 k 100 k 1 M 10 M
f − Frequency − Hz
Figure 32.
POWER SUPPLY CURRENT
vs
SUPPLY VOLTAGE IN
POWERDOWN MODE
800
T_A = 85°C
700
600
T_A = 25°C
500
400
T_A = −40°C
300
200
100
0
0
0.5
1
1.5
2
2.5
V_S − Supply Voltage − +V
Figure 35.
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INPUT OFFSET VOLTAGE
vs
INPUT COMMON-MODE VOLTAGE
40
35
30
25
20
15
10
5
0
−5
−2.5 −2 −1.5 −1 −0.5 0 0.5 1 1.5 2 2.5
Input Common-Mode Voltage − V
Figure 30.
NOISE FIGURE
vs
FREQUENCY
20
19 _{Gain = 6 dB}
18
50−Ω System
17
Gain = 10 dB
16
15
Gain = 14 dB
14
13
12
Gain = 20 dB
11
10
0
50
100
150
200
f − Frequency − MHz
Figure 33.
OUTPUT BALANCE ERROR
vs
FREQUENCY
10
0
−10
−20
−30
−40
−50
−60
0.1
1
10
100
f − Frequency − MHz
Figure 36.
1000
12