TLE2682 Datasheet, PDF (23/49 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
THIRD-OCTAVE SPECTRAL NOISE DENSITY
vs
FREQUENCY
− 75
Start Frequency: 12.5 Hz
− 80 Stop Frequency: 20 kHz
VCC _± = ± 15 V
− 85 VIC = 0
TA = 25°C
− 90
− 95
− 100
− 105
− 110
− 115
10 15 20 25 30 35 40
45
Frequency Bands
Figure 45
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
1
Filter: 10 Hz to 500-kHz Band Pass
VCC _± = ± 15 V
VO = 20 VPP
TA = 25°C
0.1
AV = 100, RL = 600 Ω
AV = 100, RL = 2 kΩ
0.01
AV = 10, RL = 600 Ω
AV = 10, RL = 2 kΩ
TOTAL HARMONIC DISTORTION PLUS
NOISE
vs
FREQUENCY
1
AV = 100, RL = 600 Ω
0.1
AV = 100, RL = 2 kΩ
AV = 10, RL = 600 Ω
0.01
AV = 10, RL = 2 kΩ
0.001
10
VCC _± = ± 5 V
VO = 5 VPP
TA = 25°C
Filter: 10 Hz to 500-kHz Band Pass
100
1k
10 k
f − Frequency − Hz
Figure 46
UNITY GAIN BANDWIDTH
vs
LOAD CAPACITANCE
13
VCC _± = ± 15 V
VIC = 0
12 ^{VO = 0}
RL = 2 kΩ
TA = 25°C
11
10
9
8
100 k
0.001
10
100
1k
10 k
f − Frequency − Hz
Figure 47
100 k
7
0
20
40
60
80
100
CL − Load Capacitance − pF
Figure 48
† _{Data applies to the operational amplifier block only. Switched-capacitor block is not supplying VCC − supply.}
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