TLC4501 Datasheet, PDF (23/32 Pages) Texas Instruments – FAMILY OF SELF-CALIBRATING Self-CalE PRECISION CMOS RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS

TLC4501, TLC4501A, TLC4502, TLC4502A
FAMILY OF SELF-CALIBRATING (Self-Cal™)
PRECISION CMOS RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS
SLOS221A – MAY 1998 – REVISED JULY 1999
APPLICATION INFORMATION
V(REF)+
V(REF)–
R1
90 kΩ
R2
9 kΩ
R3
1 kΩ
R4
1 kΩ
R5
9 kΩ
R6
90 kΩ
Gain = 10
Gain = 100 Gain = 100
Gain = 10
VDD
8
2–
0.1 pF
1/2
1
TLC4502
RP
3
VI2
+
1 kΩ
6–
1/2
7
TLC4502
5
+
4
VO+
VO–
RP
VI1
1 kΩ
+ + ^ǒ * ^Ǔǒ ) ₎ Ǔ ) _{+ + +} (Gain 10) VO
+ + ^ǒ * ^Ǔǒ ) ⁾ Ǔ ) _{+ + +} (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 kΩ
5+
VI
RP2 < 1 kΩ
3+
1/2
1/2
R3
TLC4502
7
VO
6
TLC4502
1
–
4
2
–
R4
R2
RG
R1
V(REF)
ƪ^{ǒ Ǔ} ǒ Ǔƫ + ) ) ) VO
VI
1
R4
R3
2R4
RG
V(REF)
+ + Where : R1 R4 and R2 R3
Figure 37. Two Operational-Amplifier Instrumentation Amplifier Circuit
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