LM2904D Просмотр технического описания (PDF) - Tiger Electronic

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LM2904D

LOW POWER DUAL OPERATIONAL AMPLIFIER

Tiger Electronic 

LM2904N/D

TYPICAL SINGLE-SUPPLY APPLICATION CIRCUIT

+VIN *

+

1/2 LDM3295048

-

Non-Inverting DC Gain (0V output)

+Vo

R1

10K

R2

1M

* R not needed due to temperature independent I

+5V

Gain=1+R2/R1

=101（as shown）

0

VIN(mV)

+V1

+V2

+V3

+V4

DC Summing Amplifier

（ VIN'S ≥0V, and Vo≥0V)

R 100K

R 100K

R 100K

+

R

100

K1/2

LDM3295048

-

R

R 100K

Where Vo=V1+V2+V3+V4

(V1+V2)≥(V3+V4) to Keep Vo>0V

100K

+Vo

Power Amplifier

R1

910K

R2

100K

R3

+VIN 91K

+

1/2 D358 LM2904

-

Vo =0 V fo r VIN =0 V, Av =1 0

V+

+Vo

RL

"BI-QUAD" RC Active Bandpass Filter

R1

R2

VIN 100K

100K

+

1/2 LDM3295048

-

R4

R3

100K

10M

C2

330pF -

1/2 DLM3295048

fo=1kHz

+

Q=50

Av=100(40dB)

C1

330pF

+

1/2 DLM3295048

-

R5

470K

R6

470K

R8

100K

C3

10uF

Vo

R7

100K V+

Fixed Current Sources

V+

+

2V

R3

- 2K

R4

3K

-

1/2 DLM3259084

+

+

2V R1 R2

- 2K

I1

I2

1mA

I2=(R1/R2)*I1

5/8

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