THS4120 Datasheet, PDF (8/23 Pages) Texas Instruments – HIGH-SPEED FULLY DIFFERENTIAL I/O AMPLIFIERS

THS4120
THS4121
SLOS319D – FEBRUARY 2001 – REVISED OCTOBER 2004
THS4121
OUTPUT VOLTAGE
vs
LOAD RESISTANCE
2
V_DD = 3.3 V
1.5
Sink
1
0.5
0
−0.5
−1
Source
−1.5
−2
100
1k
10k
R_L − Load Resistance − Ω
Figure 11.
VOLTAGE NOISE
vs
FREQUENCY
140
120
100
80
60
40
20
0
1
10
100
1k
10 k 100 k
f − Frequency − Hz
Figure 13.
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1.03
1.02
1.01
1
0.99
0.98
0.97
0.96
0.95
0
0.1
SETTLING TIME
V_DD = 3.3 V,
V_O = 2 V_PP,
R_F = 330 Ω,
R_L = 800 Ω,
G=1
Settling Time,
1% = 40 ns,
0.1% = 60 ns,
0.01% = 292 ns
100
200
300
400
500
t − Time − ns
Figure 12.
OUTPUT OFFSETE VOLTAGE
vs
COMMON-MODE INPUT VOLTAGE
0
−0.1
−0.2
−0.3
−0.4
0
0.5
1
1.5
2
2.5
3
VIC− Common-Mode Input Voltage − V
Figure 14.
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