LM290 datasheet(2/12 Pages) PHILIPS

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Philips Semiconductors

Product data

NE/SA/SE532/

LM258/358/A/2904

Low power dual operational amplifiers

2002 Jul 12

853-1241 28616

DESCRIPTION

The 532/358/LM2904 consists of two independent, high gain,

internally frequency-compensated operational amplifiers internally

frequency-compensated operational amplifiers designed specifically

to operate from a single power supply over a wide range of voltages.

Operation from dual power supplies is also possible, and the low

power supply current drain is independent of the magnitude of the

power supply voltage.

UNIQUE FEATURES

In the linear mode the input common-mode voltage range includes

ground and the output voltage can also swing to includes ground

and the output voltage can also swing to ground, even though

operated from only a single power supply voltage. The unity gain

cross frequency is temperature-compensated. The input bias current

is also temperature-compensated.

FEATURES

• Internally frequency-compensated for unity gain

• Large DC voltage gain: 100 dB

• Wide bandwidth (unity gain): 1 MHz (temperature-compensated)

• Wide power supply range single supply: 3 V

DC to 30 VDC,

or dual supplies:

±1.5 VDC to ±15 VDC

• Very low supply current drain (400 µA)—essentially independent

of supply voltage (1 mW/op amp at +5 VDC)

• Low input biasing current: 45 nA

DC temperature-compensated

• Low input offset voltage: 2 mV

DC, and offset current: 5nADC

• Differential input voltage range equal to the power supply voltage

• Large output voltage: 0 V

DC to V+ 1.5 VDC swing

PIN CONFIGURATION

–+

+ –

V+

OUTPUT B

INVERTING INPUT B

NON INVERTING INPUT B

OUTPUT A

INVERTING INPUT A

NON INVERTING INPUT A

V–

D, DP, and N Packages

SL00282

Figure 1. Pin configuration.

EQUIVALENT CIRCUIT

V+

µA

100

µA

INPUTS

Q10

µA

RSC

OUTPUT

Q13

Q12

Q11

µA

SL00283

–

Figure 2. Equivalent circuit.

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