LM2904W datasheet(5/19 Pages) STMICROELECTRONICS

部件名	LM2904W

功能描述	Low power dual operational amplifier

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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5 / 19 page

LM2904W

Electrical characteristics

5/19

GBP

Gain bandwidth product

f = 100kHz, VCC

+ = 30V, V

in = 10mV, RL = 2kΩ, CL = 100pF

0.7

1.1

MHz

THD

Total harmonic distortion

f = 1kHz, AV = 20dB, RL = 2kΩ,

Vo = 2Vpp, CL = 100pF, VCC

+ = 30V

0.02

%

en

Equivalent input noise voltage

f= 1kHz, RS = 100Ω, VCC

+ =30V

55

nV/

√Hz

VO1/VO2

Channel separation (3)

1kHz

≤ f ≤ 20kHz

120

dB

1.

VO = 1.4 V, RS = 0 Ω, 5 V < VCC

+ < 30 V, 0 V < V

ic < VCC

+ - 1.5 V

2.

The direction of the input current is out of the IC. This current is essentially constant, independent of the state of the output,

so there is no change in the loading charge on the input lines.

3.

Due to the proximity of external components, ensure that stray capacitance does not cause coupling between these

external parts. Typically, this can be detected because this type of capacitance increases at higher frequencies.

Table 3.

VCC

+ = 5V, V

CC

- = Ground, V

O = 1.4V, Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

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