THS4532 Datasheet, PDF (14/44 Pages) Texas Instruments – Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier

THS4532
SLOS829 – FEBRUARY 2013
www.ti.com
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
REJECTION RATIO
vs
FREQUENCY
0
V_S = 2.7 V
−20 _{G = 1 V/V}
R_F = 2 kΩ
−40 _{RL = 2 kΩ}
V_OUT = 2 V_pp
−60
CROSSTALK
vs
FREQUENCY
−60
−80
−70
−100
−80
−120
−90
−100
100k
1M
Frequency (Hz)
Figure 20.
CMRR
PSRR
10M
30M
G018
−140
−160
1k
10k
100k
1M
Frequency (Hz)
Figure 21.
10M 30M
G099
TURN-ON TIME
TURN-OFF TIME
3
1.5
3
1.5
Power Down
V_OUT
2
V_S = 2.7 V
G = 1 V/V
R_F = 2 kΩ
R_L = 200 Ω
1
1
2
0.5
1
1
V_S = 2.7 V
G = 1 V/V
R_F = 2 kΩ
R_L = 200 Ω
0.5
Power Down
V_OUT
0
0
0
200
400
600
800
1000
Time (ns)
G019
Figure 22.
INPUT-REFERRED VOLTAGE NOISE
and
CURRENT NOISE SPECTRAL DENSITY
100
100
Voltage Noise
Current Noise
10
10
1
1
0.1
10
0.1
100
1k
10k
100k
1M
Frequency (Hz)
G021
Figure 24.
0
0
0
10
20
30
40
50
Time (ns)
G020
Figure 23.
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)
G022
Figure 25.
14
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