THS4120 Datasheet, PDF (5/23 Pages) Texas Instruments – HIGH-SPEED FULLY DIFFERENTIAL I/O AMPLIFIERS

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THS4120
THS4121
SLOS319D – FEBRUARY 2001 – REVISED OCTOBER 2004
TYPICAL CHARACTERISTICS
Table of Graphs
SR
THD
Small-signal frequency response
Slew rate
Total harmonic distortion
Harmonic distortion
V_O
V_n
V_OO
CMMR
z_os
z_o
Third intermodulation distortion
Output voltage
Settling time
Voltage noise
Output offset voltage
Common-mode rejection ratio
Single-ended output impedance (closed loop)
Single-ended (V_OCM) input impedance
vs Frequency
vs Output voltage
vs Frequency
vs Output voltage
vs Output voltage
vs Load resistance
vs Frequency
vs Common-mode input voltage
vs Frequency
vs Frequency
vs Frequency
FIGURE
1
2
3
4
5, 6, 7
8, 9
10
11
12
13
14
15
16
17
SMALL-SIGNAL FREQUENCY RESPONSE
2
R_f = 390 Ω
1
R_f = 270 Ω
0
R_f = 200 Ω
R_f = 150 Ω
−1
SLEW RATE
1.5
Falling Edge
1
0.5
V_DD = 3.3 V,
V_O = 2 V_PP,
T_A= 25°C
G=1
0
R_L = 800 Ω
−2
−0.5
−3 G = 1
V_I = 22.5 mV_RMS
V_DD = 3.3 V
−4
−1
Rising Edge
−1.5
100 k
1M
10 M
100 M
1G
0
20
40
60
80
f − Frequency − Hz
t − Time − ns
Figure 1.
Figure 2.
5