TLE2682 Datasheet, PDF (18/49 Pages) Texas Instruments – HIGH-SPEED JFET-INPUT DUAL OPERATIONAL AMPLIFIER WITH SWITCHED-CAPACITOR VOLTAGE CONVERTER

TLE2682
HIGHĆSPEED JFETĆINPUT DUAL OPERATIONAL AMPLIFIER
WITH SWITCHEDĆCAPACITOR VOLTAGE CONVERTER
SLOS127 − JUNE 1993
TYPICAL CHARACTERISTICS^†
OPERATIONAL AMPLIFIER SECTION
SMALL-SIGNAL DIFFERENTIAL VOLTAGE
AMPLIFICATION AND PHASE SHIFT
vs
FREQUENCY
30
80°
CL = 100 pF
20
Phase Shift
CL = 25 pF
10
100°
120°
ÁÁÁÁ
Gain
0
140°
CL = 100 pF
VCC _±= ± 15 V
− 10 _{VIC = 0}
RC = 2 kΩ
TA = 25°C
− 20
1
2
4
10 20
f − Frequency − MHz
CL = 25 pF _160°
180°
40
100
Figure 26
COMMON-MODE REJECTION RATIO
vs
FREQUENCY
100
90
80
VCC _± = ± 5 V
VCC _± = ± 15 V
70
60
50
40
30
20
VIC = 0
VO = 0
10
RS = 50 Ω
TA = 25°C
0
10 100 1 k 10 k 100 k 1 M
f − Frequency − Hz
Figure 27
10 M
COMMON-MODE REJECTION RATIO
vs
FREE-AIR TEMPERATURE
100
97
VCC _± = ± 15 V
94
91
88
VCC _± = ± 5 V
85
82
79
76 _{VIC = VICRmin}
73
VO = 0
RS = 50 Ω
70
− 55 − 35 −15 5 25 45 65 85
TA − Free-Air Temperature − °C
Figure 28
† _{Data applies to the operational amplifier block only. Switched-capacitor block is not supplying VCC − supply.}
18
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