TLE2682 Datasheet, PDF (22/49 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
SLEW RATE
vs
DIFFERENTIAL INPUT VOLTAGE
50
AV = − 1
40
30
Rising Edge
20
AV = 1
10
VCC _± = ± 15 V
VO _± = ± 10 V (10% − 90%)
0
CL = 100 pF
TA = 25°C
−10
− 20
Falling Edge
− 30
− 40
− 50
0.1
AV = 1
AV = − 1
0.4
1
4
10
VID − Differential Input Voltage − V
Figure 41
INPUT-REFERRED NOISE VOLTAGE
vs
NOISE BANDWIDTH
100
VCC _± = ± 15 V
VIC = 0
RS = 20 Ω
TA = 25°C
10
Peak-to-Peak
1
0.1
RMS
EQUIVALENT INPUT NOISE VOLTAGE
vs
FREQUENCY
50
VCC _± = ± 15 V
45 _{VIC = 0}
40
RS = 20 Ω
TA = 25°C
35
30
25
20
15
10
5
0
10
100
1k
10 k
f − Frequency − Hz
Figure 42
INPUT-REFERRED NOISE VOLTAGE
OVER A 10-SECOND TIME INTERVAL
1.2
VCC _± = ± 15 V
f = 0.1 to 10 Hz
0.9 _{TA = 25°C}
0.6
0.3
0
− 0.3
0.01
1
10
100
1k
10 k
f − Frequency − Hz
Figure 43
100 k
− 0.6
0 1 2 3 4 5 6 7 8 9 10
t − Time − s
Figure 44
† _{Data applies to the operational amplifier block only. Switched-capacitor block is not supplying VCC − supply.}
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