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PICOCAP®キャパシティブセンシング

PICOCAPはCDC(容量デジタルコンバータ)です。特許技術のPICOCAP測定原理を採用していることから、さまざまな静電容量センサの計測に便利です。入力容量はfF~数百nFの範囲になるため、コンデンサのサイズに制限はほぼありません。マルチチャネルCDCが精度、速度、超低消費電流動作に対して高度な柔軟性を提供します。強力なCPUを搭載しているため、チップ上でリニアライゼーション、温度計測、及び補正をおこなうことができます。

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製品情報 データシート デモボード
PCap02

Low power capacitance-to-digital converter with wide input range (from fF to nF) and versatile configuration options.
PCap02 can be configured for highest sampling rates up to 500kHz, lowest current consumption down to 2µA or lowest noise of 15 aF (rms).
The internal signal processor allows for power-efficient and fast calculations, e.g. for sensor linearization or complex arithmetics.

PCap04

PCap04 is a capacitance-to-digital converter (CDC) with integrated digital signal processor (DSP) for on-chip data post-processing. Its front end is based on ams PICOCAP principle. This conversion principle offers outstanding flexibility with respect to power consumption, resolution and speed. Further, PCap04 covers a wide capacitance input range from a few femtofarads up to several hundreds of nanofarads. It is easy to configure the PCap04 for different capacitance measurement tasks, i.e. single as well as differential sensors in both, grounded or floating connection. The on-chip DSP allows to implement sensor algorithms like linearization and temperature compensation, with data output in a digital (SPI or IIC) or analog (PDM/PWM) way.

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シグナルコンバータ

信号変換器は4つまたは8つの信号チャネルを含んでおり、複数の増幅レベルによってインプロセスで動的プログラムすることができます。ダイナミック増幅と高いセンサー帯域を備えたアプリケーションのマルチチャネルセンサーシステムに非常に適しています。すべてのコンバータは小型で、省スペース(Q)SOPパッケージまたはチップオンボード(COB)パッケージで利用できます。

注目製品

製品情報 データシート デモボード
AS89000

The AS89000-devices are a family of integrated circuits of programmable gain transimpedance amplifiers with 4 channels per IC (more custom specific, on request).
The AS89000-devices are mainly used for signal conditioning of sensors with current outputs. They are especially suitable for connection of photodiodes of array and row sensors. The possibility to adjust the transimpedance in 8 stages is a special feature. The adjustment is made by programming three pins and is valid for all channels together. The device packages (naked chip on request) are RoHS conform and optimized for COB- mounting and SMD.

AS89010

The AS89010 processes via charge-balance method and converts lowest photocurrents at high accuracy. Its full-scale range can be customized to specific applications. Sensitivity of 20 fA/LSB at a dynamic of 1 to 1,000,000. The IC is temperature compensated and features the possibility of external synchronization.

AS89020

The AS89020 is a 12-bit, 4 channel, current input Analog-to-Digital Converter (ADC). It combines current-to-voltage (TIA) and analog-to-digital (AD) conversion, so that 4 separate current output devices (e.g. photodiodes) can be directly connected to its inputs and digitized.
For each of the 4 inputs the AS89020 provides an input amplifier with a track and hold circuit. The outputs of the track and hold stages are serial converted to 12-bit digital words using an analog-to-digital converter (ADC).

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PICOSTRAIN®レジスティブセンシング

RDC(抵抗・デジタルコンバータ)ファミリは、純粋なデジタルPICOSTRAIN測定原理に基づいています。本製品は超高精度を超低電力動作で得ることができます。チップ上にCPUを搭載しており、PICOSTRAINが抵抗圧センサ、フォースセンサ、重量測定など多くのアプリケーションの性能を向上させます。

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製品情報 データシート デモボード
PS081

The PSØ81 is a system on chip for ultra low power and high resolution applications. It was designed especially for weight scales but fits also to any kind of force or torque measurements based on metal strain gauges. It takes full advantage of the digital measuring principle of PICOSTRAIN. Thus, it combines the performance of a 28-bit signal converter with a 24-bit microprocessor. Additional elements like an LCD driver, 3K ROM with many complex pre-defined functions, 2k EEPROM program memory and an integrated 10kHz oscillator round off the device. A small amount of external components is sufficient to build a complete weighing electronic.

PS09

The PSØ9 is a system on chip for ultra low power and high resolution applications. It was designed especially for weight scales but fits also to any kind of force, pressure or torque measurements based on metal strain gauges. It takes full advantage of the digital measuring principle of PICOSTRAIN. Thus, it combines the performance of a 28-bit converter with a 24-bit microprocessor.

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バッテリーセンサーインターフェース

電流および電圧検出用のゼロオフセットバッテリセンサーインタフェースにより、高精度が実現されます。ダイナミックレンジは全て広範囲です。シャント電流の検出は、正極または負極のいずれかで行うことができます。

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AS8510

The AS8510 data acquisition front-end IC is a virtually offset free, low noise, 2-channel measurement device. It is tailored to accurately measure battery current from mA range up to kA range in combination with a 100 µOhm shunt resistor connected in series with the battery rail. Through the second measurement channel it enables capture of either battery voltage synchronous with the current or to measure the analog output of an internal or external temperature sensor.

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LIN/CANシステムバス


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AS8525

The AS8525 is a companion IC for battery- and current sensor LIN slaves. The integrated chop clock synchronization enables a zero offset measurement system for small shunt signals in positive battery rail in conjunction with AS8510.