NJU77000 查看數據表（PDF） - Japan Radio Corporation

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NJU77000

1.5V, 0.29µA, Ultralow Power, Rail-to-Rail Input/Output Single CMOS Operational Amplifier

Japan Radio Corporation  

NJU77000/NJU77001

1.5V, 0.29µA, Ultralow Power, Rail-to-Rail Input/Output

Single CMOS Operational Amplifier

FEATURES (V+=5V)

●Supply Current:

●Operating Voltage:

●Input Offset Voltage:

●Offset Voltage Drift:

●Input Bias Current:

●Unity gain Frequency:

●Slew Rate:

●Rail-to-Rail Input /Output

●RF Noise Immunity

●CMOS Technology

●Package:

0.29µA typ.

1.5V to 5.5V

1mV max.

0.65µV/ºC typ.

10pA max.

1.1kHz

0.8V/ms

SOT-23-5

SC-88A

APPLICATIONS

●Battery powered Instruments

●Micro power oxygen sensor and gas sensor

●Power line monitoring

●Micropower current sensing

●Healthcare instruments

●Micropower current to Voltage converter

DESCRIPTION

The NJU77000/NJU77001 are single ultralow power

435nW operational amplifiers designed to extend

battery life and performance for portable applications.

The operating voltage range of 1.5V to 5.5V and

supply current of 0.29uA typical with stable over

temperature and input voltage change makes it ideal

for micropower oxygen sensors, gas sensors and

remote sensor applications.

In addition to the ultralow power and low operating

voltage, rail-to-rail input and output, input offset voltage

of 1mV maximum with 0.65uV/ºC drift, input bias

current of 10pA maximum and ability to drive 470pF

loads, make the NJU77001/NJU77001 ideal when

requiring excellent performance in battery powered

applications.

The NJU77000 is available in the 5-pin SC-88A

package. NJU77001 is available in the 5-pin SOT-23

and SC-88A package. NJU77000 and NJU77001 have

difference pin function (see pin configuration). The

NJU7700xA have the higher performance and offer

guaranteed specifications over the extended

temperature range from -40ºC to +105ºC.

TYPICAL CHARACTEREISTIC

Supply Current vs. Temperature

GV=0dB, VCM=V+/2

0.5

0.4

V+=5.0V

0.3

0.2

V+=1.5V

V+=1.8V

0.1

0

-50

-25 0 25 50 75 100 125

Ambient Temperature [ºC]

TYPICAL APPLICATION

Sensor

Vin

100kΩ

1.8V

To ADC

Vout

100kΩ

10MΩ

Vout=Vin x 101

IQ=0.26µA

40dB micropower sensor amplifier

Ver.00

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