OPA349

所属类别：低输入偏置电流/FET-输入
产品名称：1uA 轨至轨 CMOS 运算放大器
厂商：TI
生产批号：08+
封装：5SC70, 5SOT-23, 8SOIC
库存状态：有库存
库存量：25610
最低订购量：1
详细资料：

Product Introduction

The OPA349 and OPA2349 are ultra-low-power and provide 70kHz bandwidth op amps with quiescent current of only 1μA. These rail-to-rail input and output amplifiers are designed for battery-powered applications. The input common-mode voltage range extends beyond the Rails 350mV range of the power rail output swing of 200mV, maintaining a wide dynamic range. Unlike some micropower op-amps, these components are ununit gain stable and require no external compensation for wide bandwidth. The OPA349 has a low input bias current, enabling large source and feedback resistance.

The OPA349 can be operated with a power supply from 1.8V to 5.5V, with little change in performance, ensuring sustained superior performance even at low battery.

characteristic

Low supply current: 1 microampere
Gain bandwidth: 70kHz
Unit gain is stable
Low Input Bias Current: 10pA (max)
Wide supply voltage range: 1.8V to 5.5V
Except for Rails, the input range is 200mV
Output swing 350mV rail
Output drive current: 8mA
Open-loop gain: 90dB
Number of micropieces: SC70 package, SOT23-5, SOT23-8 package
apply
- battery pack and power supply
- Mobile phones, pagers, cameras
- Solar powered system
- Smoke, gas, fire detection systems
- Remote sensor
- PCMCIA card
- Drive analog-to-digital (A/D) converters
- Micropower filter

The OPA349 related ICs include:

Model	Manufacturers	lot number	encapsulation	illustrate
OPA4345	TI	09+	14SOIC, 14TSSOP	MicroAmplifier(TM) series of low-power, single-power rail-to-rail operational amplifiers
OPA4344	TI	10+	14PDIP, 14SOIC, 14TSSOP	The MicroAmplifier(TM) series of low-power single-rail-to-rail op amplifiers
OPA4342	TI	09+	14PDIP, 14SOIC, 14TSSOP	The MicroAmplifier(TM) family of low-cost, low-power rail-to-rail op amplifiers
OPA4141	TI	10+	14SOIC, 14TSSOP	10MHz single-supply low-noise JFET precision amplifier
OPA4140	TI	10+	14SOIC, 14TSSOP	11MHz single-supply, low-noise, precision rail-to-rail output JFET amplifier
OPA348	TI	10+	5SC70, 5SOT-23, 8SOIC	1MHz, 45uA, RRIO, single op amp
OPA347	TI	07+	5SC70, 5SOT-23, 8PDIP, 8SOIC	Micropower rail-to-rail operational amplifier
OPA345	TI	08+	5SOT-23, 8SOIC	The MicroAmplifier(TM) series of low-power single-rail-to-rail op amplifiers
REF2912AIDBZT	TI	10+	SOT23-3	A series of (bandgap) voltage references with a 1.25V output of 100ppm/°C drift of 50uA quiescent current in a SOT23-3 package system package
TPS2115APWR	TI	08+	TSSOP-8	Automatically switch power multiplexing

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OPA349

characteristic

The OPA349 related ICs include:

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