THS6212 Datasheet, PDF (13/48 Pages) Texas Instruments – Differential, Line-Driver Amplifier

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THS6212
SBOS758 – MAY 2016
Typical Characteristics: V_S = ±12 V, Full Bias (continued)
at T_A = 25°C, G_DIFF = 10 V/V, G_CM = 1 V/V, R_ADJ = 0 Ω, R_F = 1.24 kΩ, and R_L = 100 Ω (unless otherwise noted)
12
1000
1000
10
Voltage Noise (nV/—Hz)
8
6
1-W Internal
Power Dissipation
Inverting Current Noise (pA/—Hz)
Noninverting Current Noise (pA/—Hz)
4
100
100
2
50-W Load Line
0
-2
1-W Internal
-4
Power Dissipation
100-W Load Line
-6
10
10
-8
-10
-12
-14
-600 -400 -200
0
200
400
600
Output Current (mA)
1
1
100
1000
10000 100000 1000000 1E+7
Frequency (Hz)
D014
Voltage and current noise contributing to differential noise
Figure 13. Output Voltage and Current Limitations
25
+I_Q
-I_Q
20
15
Figure 14. Input Voltage and Current Noise Density
60
-PSRR
50
+PSRR
40
30
10
20
5
10
0
0
1
2
3
4
5
6
R_ADJ (k:)
D015
0
1k
10k
100k
1M
10M
100M
Frequency (Hz)
Figure 15. Quiescent Current for Full Bias Setting vs R_ADJ
140
0
Gain
120
-45
100
Phase
80
-90
-135
60
-180
40
-225
20
-270
0
10k
100k
1M
10M
Frequency (Hz)
100M
-315
1G
Figure 16. PSRR vs Frequency
10
1
0.1
0.01
0.001
100k
1M
10M
Frequency (Hz)
100M
Figure 17. Open-Loop Gain and Phase
Figure 18. Closed-Loop Output Impedance
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