THS4521 Datasheet, PDF (16/43 Pages) Texas Instruments – VERY LOW POWER, NEGATIVE RAIL INPUT, RAIL-TO-RAIL OUTPUT, FULLY DIFFERENTIAL AMPLIFIER

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SBOS458B – DECEMBER 2008 – REVISED MAY 2009.................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: V_S+ – V_S– = 3.3 V (continued)
At V_S+ = +3.3 V, V_S– = 0 V, V_OCM = open, V_OUT = 2 V_PP (differential), R_L = 1 kΩ differential, G = 1 V/V, single-ended input,
differential output, and input and output referenced to midsupply, unless otherwise noted.
V_OCM LARGE-SIGNAL PULSE RESPONSE
2.5
2.3
2.1
1.9
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0
V_S+ = 3.3 V
G = 1 V/V
R_F = 1 kW
R_L = 1 kW
100
200
300
400
Time (ns)
Figure 25.
100 k
V_OCM INPUT IMPEDANCE
vs FREQUENCY
10 k
1k
100
100 k
1M
10 M
Frequency (Hz)
Figure 26.
100 M
16
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