TLE2662 Datasheet, PDF (19/40 Pages) Texas Instruments – DUAL uPOWER JFET-INPUT OPERATIONAL AMPLIFIER WITH SWITCHED-CAPACITOR VOLTAGE CONVERTER

TLE2662
DUAL µPOWER JFET-INPUT OPERATIONAL AMPLIFIER
WITH SWITCHED-CAPACITOR VOLTAGE CONVERTER
SLOS118B – DECEMBER 1992 – REVISED AUGUST 1994
TYPICAL CHARACTERISTICS^†
OPERATIONAL AMPLIFIER SECTION
UNITY-GAIN BANDWIDTH
vs
SUPPLY VOLTAGE
2.5
RL = 10 kΩ
CL = 100 pF
TA = 25°C
See Figure 3
2
UNITY-GAIN BANDWIDTH
vs
FREE-AIR TEMPERATURE
2.5
VCC _± = ± 15 V
2
VCC _± = ± 5 V
1.5
1.5
1
0
2
4 6 8 10 12 14 16
|VCC _±| – Supply Voltage – V
Figure 31
RL = 10 kΩ
CL = 100 pF
See Figure 3
1
– 75 – 50 – 25 0
25 50 75 100
TA – Free-Air Temperature – °C
Figure 32
PHASE MARGIN
vs
SUPPLY VOLTAGE
62°
RL = 10 kΩ
61° ^{CL = 100 pF}
TA = 25°C
See Figure 3
60°
59°
58°
57°
56°
55°
0
2 4 6 8 10 12 14 16
|VCC _±| – Supply Voltage – V
Figure 33
60°
50°
40°
30°
20°
10°
0°
0
PHASE MARGIN
vs
LOAD CAPACITANCE
VCC _± = ± 15 V
RL = 10 kΩ
TA = 25°C
See Figure 3
200
400
600
800
CL – Load Capacitance – pF
Figure 34
1000
† _{Data applies for the amplifier block only; the switched-capacitor block is not supplying VCC – supply.}
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