THS4531A Datasheet, PDF (20/51 Pages) Texas Instruments – Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier

THS4531A
SLOS823A – DECEMBER 2012 – REVISED JANUARY 2013
www.ti.com
TYPICAL CHARACTERISTICS: V_S = 5V (continued)
Test conditions unless otherwise noted: V_S+ = 5 V, V_S– = 0V, V_OCM = 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, T_A = 25°Cunless otherwise noted.
REJECTION RATIO
vs
−20
V_S = 5 V
−30 _{G = 1 V/V}
R_F = 2 kΩ
−40 _{RL = 2 kΩ}
−50
FREQUENCY
TURN-ON TIME
5
2.5
V_S = 5 V
Power Down
4
G = 1 V/V
V_OUT
2
R_F = 2 kΩ
R_L = 200 Ω
3
1.5
−60
2
1
−70
−80
−90
−100
100k
1M
Frequency (Hz)
Figure 53.
CMRR
PSRR
10M
30M
G044
1
0.5
0
0
0
200
400
600
800
1000
Time (ns)
G045
Figure 54.
INPUT-REFERRED VOLTAGE NOISE
and
TURN-OFF TIME
CURRENT NOISE SPECTRAL DENSITY
5
2.5
100
100
Power Down
V_OUT
4
2
Voltage Noise
Current Noise
V_S = 5 V
10
10
3
G = 1 V/V
R_F = 2 kΩ
1.5
R_L = 200 Ω
2
1
1
1
1
0.5
0
0
0
10
20
30
40
50
Time (ns)
G046
Figure 55.
120
110
100
90
80
70
60
50
40
30
20
10
0
10
MAIN AMPLIFIER DIFFERENTIAL
OPEN-LOOP GAIN and PHASE
vs
FREQUENCY
0
Magnitude
Phase
−45
−90
−135
−180
100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
G048
Figure 57.
0.1
10
0.1
100
1k
10k
100k
1M
Frequency (Hz)
G047
Figure 56.
OUTPUT BALANCE ERROR
vs
−30
V_S = 5 V
G = 1 V/V
−40 RF = 2 kΩ
R_L = 2 kΩ
FREQUENCY
−50
−60
−70
−80
100k
1M
10M
Frequency (Hz)
Figure 58.
30M
G049
20
Submit Documentation Feedback
Product Folder Links :THS4531A
Copyright © 2012–2013, Texas Instruments Incorporated