LT2078AIS8 데이터 시트보기 (PDF) - Linear Technology

부품명

상세내역

제조사

LT2078AIS8

Micropower, Dual and Quad, Single Supply, Precision Op Amps

Linear Technology 

LT2078/LT 2079

TYPICAL APPLICATIONS

Single Supply, Micropower, Second Order Lowpass Filter with 60Hz Notch

0.02µF

27.6k

0.1%

IN

27.6k

0.1%

5V

3+ 8

0.01µF 1/2 LT2078 1

2–

4

5.1M

120k

1%

5%

fC = 40Hz

Q = 30

100pF

2.64M

0.1%

2.64M

0.1%

2000pF

0.5%

6–

7

1/2 LT2078

5+

OUTPUT

TYPICAL OFFSET

≈ 600µV

1.35M

0.1%

1000pF

0.5%

1000pF

0.5%

LT2078/79 • TA10

Y INPUT

(5mV TO 50V)

505k

0.1%

X INPUT

(5mV TO 50V)

505k

0.1%

9V

6– 4

7

1/4 LT2079

5+

11

–1.5V TO –9V

2–

220pF

1

1/4 LT2079

3+

Micropower Multiplier/Divider

505k

0.1%

Z INPUT

(5mV TO 50V)

220pF Q1

30k

5%

Q2

Q3

30k

5%

220pF

14

1/4 LT2079

499k

0.5%

10k

GAIN

9–

8

Q4

1/4 LT2079

10 +

13

Q1,Q2, Q3, Q4 = MAT-04

TYPICAL LINEARITY = 0.01% OF FULL-SCALE OUTPUT

12

OUTPUT =

(X)(Y)

(Z)

,

POSITIVE

INPUTS

ONLY

X + Y+ Z + OUT

NEGATIVE SUPPLY CURRENT = 165µA +

500k

POSITIVE

SUPPLY

CURRENT

=

165µA

+

OUT

500k

BANDWIDTH (< 3VP-P SIGNAL): X AND Y INPUTS = 10kHz

Z INPUT = 4kHz

OUTPUT

(5mV TO 8V)

30k

5%

lt2078/79 • TA11

14

INPUT

Micropower Dead Zone Generator

1M**

510k

1M**

2–

1/4 LT2079

3+

Q1

2N4393

1M

1N914

9V

6– 4

7

1/4 LT2079

5+

11

Q4

1M*

Q2

1

VSET

DEAD ZONE

CONTROL INPUT

0.4V TO 5V

Q3

470k

1M*

GAIN

9–

200k

1M**

8

1/4 LT2079

10 +

1M**

510k

13 –

1/4 LT2079

12 +

14

VOUT

LT2078/79 • TA12

1M

680k 1N914

510k

Q6

2N4393

VSET VOUT

1M

Q5

–9V

1000pF

VIN

BIPOLAR SYMMETRY IS EXCELLENT

BECAUSE ONE DEVICE, Q2,

VSET

SETS BOTH LIMITS

* 1% FILM

SUPPLY CURRENT ≈ 240µA

** RATIO MATCH 0.05%

BANDWIDTH = 150kHz

Q2, Q3, Q4, Q5 CA3096 TRANSISTOR ARRAY

20789fa

Share Link: