THS4531_14 Datasheet, PDF (15/56 Pages) Texas Instruments – Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier

THS4531
www.ti.com
SLOS358B – SEPTEMBER 2011 – REVISED MARCH 2012
TYPICAL CHARACTERISTICS: V_S = 2.7V (continued)
Test conditions unless otherwise noted: V_S+ = 2.7 V, V_S– = 0V, CM = open, V_OUT = 2Vpp, R_F = 2kΩ, R_L = 2kΩ Differential, G =
1V/V, Single-Ended Input, Differential Output, Input and Output Referenced to mid-supply unless otherwise noted.
−20
V_S = 2.7 V
−30 _{G = 1 V/V}
R_F = 2 kΩ
−40 _{RL = 2 kΩ}
−50
−60
−70
REJECTION RATIO
vs
FREQUENCY
TURN-ON TIME
3
1.5
2
1
V_S = 2.7 V
G = 1 V/V
R_F = 2 kΩ
R_L = 200 Ω
1
0.5
−80
−90
−100
100k
1M
Frequency (Hz)
Figure 20.
CMRR
PSRR
10M
30M
G018
Power Down
V_OUT
0
0
0
200
400
600
800
1000
Time (ns)
G019
Figure 21.
TURN-OFF TIME
INPUT-REFERRED VOLTAGE NOISE
and
CURRENT NOISE SPECTRAL DENSITY
3
1.5
100
100
Power Down
Voltage Noise
V_OUT
Current Noise
2
1
10
10
V_S = 2.7 V
G = 1 V/V
R_F = 2 kΩ
R_L = 200 Ω
1
0.5
1
1
0
0
0
10
20
30
40
50
Time (ns)
G020
Figure 22.
0.1
10
0.1
100
1k
10k
100k
1M
Frequency (Hz)
G021
Figure 23.
Copyright © 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): THS4531
Submit Documentation Feedback
15