THS3201 Datasheet, PDF (11/29 Pages) Texas Instruments – 1.8-GHz, LOW DISTORTION, CURRENT FEEDBACK AMPLIFIER

www.ti.com
THS3201
SLOS416A − JUNE 2003 − REVISED JANUARY 2004
7
6
5
4
3
2
1
0
−1
−2
−3
−4
−5
−6
−7
10
OUTPUT VOLTAGE
vs
LOAD RESISTANCE
VS = ±7.5 V
TA = −40 to 85°C
100
RL − Load Resistance − Ω
Figure 27
1000
REJECTION RATIO
vs
FREQUENCY
80
VS = ±7.5 V
70
60
CMRR
50
40
PSRR+
30
20
10
0
100 k
1M
10 M
f − Frequency − Hz
100 M
Figure 28
INVERTING LARGE-SIGNAL
TRANSIENT RESPONSE
6
5
Gain = −5
4
RL = 100 Ω
3
RF ₌ 549 Ω
2
VS = ±7.5 V
1
0
Input
−1
−2
−3
−4
Output
−5
−6
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
t − Time − µs
Figure 30
OVERDRIVE RECOVERY TIME
10
5
8
G = 2,
4
RF = 768 Ω,
6
VS = ±7.5 V
3
4
2
2
1
0
0
−2
−1
−4
−2
−6
−3
−8
−4
−10
−5
0
0.2
0.4
0.6
0.8
1
t − Time − µs
Figure 31
NONINVERTING SMALL-SIGNAL
TRANSIENT RESPONSE
0.3
Output
0.2
0.1
Input
0
Gain = 2
RL = 100 Ω
−0.1
RF ₌ 715 Ω
VS = ±7.5 V
−0.2
−0.3
0.030
0.025
0.020
0.015
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
t − Time − µs
Figure 29
DIFFERENTIAL GAIN
vs
NUMBER OF LOADS
Gain = 2
RF = 768 Ω
VS = ±7.5 V
40 IRE − NTSC and Pal
Worst Case ±100 IRE Ramp
PAL
0.010
NTSC
0.005
0
012345678
Number of Loads − 150 Ω
Figure 32
0.040
0.035
° ^0.030
0.025
DIFFERENTIAL PHASE
vs
NUMBER OF LOADS
Gain = 2
RF = 768 kΩ
VS = ±7.5 V
40 IRE − NTSC and Pal
Worst Case ±100 IRE Ramp
0.020
0.015
0.010
PAL
NTSC
0.005
0
0123 45678
Number of Loads − 150 Ω
CLOSED-LOOP OUTPUT IMPEDANCE
vs
FREQUENCY
1000
Gain = 2
100 ^{RF = 715 Ω}
RL = 100 Ω
VS = ±7.5 V
10
1
0.1
0.01
0.001
100 k 1 M
10 M
1M
1G
f − Frequency − Hz
Figure 33
Figure 34
11