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TLC4502IDR Datasheet, PDF (23/39 Pages) Texas Instruments – FAMILY OF SELF-CALIBRATING PRECISION CMOS RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS | |||
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TLC4501, TLC4501A, TLC4502, TLC4502A
FAMILY OF SELF-CALIBRATING (Self-Cal)
PRECISION CMOS RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS
SLOS221B â MAY 1998 â REVISED APRIL 2001
APPLICATION INFORMATION
V(REF)+
V(REF)â
R1
90 kâ¦
R2
9 kâ¦
R3
1 kâ¦
R4
1 kâ¦
R5
9 kâ¦
R6
90 kâ¦
Gain = 10
Gain = 100 Gain = 100
Gain = 10
VDD
8
2â
0.1 pF
1/2
1
TLC4502
RP
3
VI2
+
1 kâ¦
6â
1/2
7
TLC4502
5
+
4
VO+
VOâ
RP
VI1
1 kâ¦
+ + Ç * ÇÇ ) ) Ç ) + + + (Gain 10) VO
+ + Ç * ÇÇ ) ) Ç ) + + + (Gain 100) VO
VI1
VI2 1
R6
R4 R5
VI1
VI2 1
R5 R6
R4
V(REF) Where R1 R6, R2 R5, and R3 R4
V(REF) Where R1 R6, R2 R5, and R3 R4
Figure 36. Single-Supply Programmable Instrumentation Amplifier Circuit
RP1 < 1 kâ¦
5+
VI
RP2 < 1 kâ¦
3+
1/2
1/2
R3
TLC4502
7
VO
6
TLC4502
1
â
4
2
â
R4
R2
RG
R1
V(REF)
ÆªÇ Ç Ç ÇÆ« + ) ) ) VO
VI
1
R4
R3
2R4
RG
V(REF)
+ + Where : R1 R4 and R2 R3
Figure 37. Two Operational-Amplifier Instrumentation Amplifier Circuit
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
23
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