TLC271_01 Datasheet, PDF (68/82 Pages) Texas Instruments – LinCMOSE PROGRAMMABLE LOW-POWER OPERATIONAL AMPLIFIERS

TLC271, TLC271A, TLC271B
LinCMOS PROGRAMMABLE LOW-POWER
OPERATIONAL AMPLIFIERS
SLOS090D – NOVEMBER 1987 – REVISED MARCH 2001
APPLICATION INFORMATION (LOW-BIAS MODE)
VI
VDD
ÏÏÏ ₊
BIAS SELECT
ÏÏÏ _TLC271
ÏÏÏÏÏÏ _–
VI
VDD
90 kΩ
Select
S1
S2
AV
10
100
S1
C _X1
A ₁ ^TLC4066
1B
S2
C
X2
A2
Analog
Switch
2B
9 kΩ
1 kΩ
NOTE A: VDD = 5 V to 12 V
Figure 125. Amplifier With Digital Gain Selection
500 kΩ
5V
0.1 µF
500 kΩ
ÏÏÏÏ ₊
BIAS
SELECT
ÏÏÏÏ _TLC271
ÏÏÏÏÏÏÏÏÏÏÏÏ _–
5V
ÏÏÏ +
BIAS SELECT
ÏÏÏ _TLC271
VO1
ÏÏÏÏÏÏ _–
VO2
500 kΩ
500 kΩ
Figure 126. Multivibrator
68
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