THS4521 Datasheet, PDF (18/65 Pages) Texas Instruments – VERY LOW POWER, NEGATIVE RAIL INPUT, RAIL-TO-RAIL OUTPUT, FULLY DIFFERENTIAL AMPLIFIER

THS4521, THS4522, THS4524
SBOS458H – DECEMBER 2008 – REVISED JUNE 2015
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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_F = 1 kΩ, R_L = 1 kΩ differential, G = 1 V/V, single-ended
input, differential output, and input and output referenced to midsupply, unless otherwise noted.
2.5
100 k
2.3
2.1
1.9
10 k
1.7
1.5
1.3
1k
1.1
V_S+ = 3.3 V
0.9
G = 1 V/V
0.7
R_F = 1 kW
R_L = 1 kW
0.5
100
0
100
200
300
400
100 k
1M
10 M
100 M
Time (ns)
Frequency (Hz)
Figure 25. V_OCM Large-Signal Pulse Response
Figure 26. V_OCM Input Impedance vs Frequency
18
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