トピック
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2009年11月19日
RAQ(珍問/難問集)
Q. A/Dコンバータ(ADC)がデータシートで仕様化されたフルスケールを実現できないのですが、どうしてでしょうか? -
2009年11月19日
RAQ(珍問/難問集)
Q. A/Dコンバータのアンチエイリアス・フィルタがスプリアスとノイズをちゃんと除去してくれません。なぜでしょうか? -
2009年11月12日
RAQ(珍問/難問集)
Q. 高精度アナログ回路を再キャリブレーションすれば、精度が高くなるでしょうか?
新製品
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AD7944- 14-Bit, 2.5 MSPS, PulSAR 15.5 mW ADC in LFCSP
The AD7944 is a 14-bit, 2.5 MSPS successive approximation analog-to-digital converter (SAR ADC). It contains a low power, high speed, 14-bit sampling ADC, an internal conversion clock, an internal reference (and buffer), error correction circuits, and a versatile serial interface port. On the rising edge of CNV, the AD7944 samples an analog input, IN+, between 0 V and VREF with respect 続きを見る
データシート Rev 0, 11/2009 (pdf 576kB)
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AD7194- 8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
The AD7194 is a low noise, complete analog front end for high precision measurement applications. It contains a low noise, 24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC). The on-chip low noise gain stage means that signals of small amplitude can interface directly to the ADC. The device can be configured to have eight differential inputs or sixteen pseudo differential inputs. The 続きを見る
データシート Rev 0, 11/2009 (pdf 996kB)
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AD9231- 12-Bit, 20/40/65/80 MSPS, 1.8V Dual Analog-to-Digital Converter
The AD9231 is a monolithic, dual-channel, 1.8 V supply, 12-bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS analog-to-digital converter (ADC). It features a high performance sample-and-hold circuit and on-chip voltage reference.
The product uses multistage differential pipeline architecture with output error correction logic to provide 12-bit accuracy at 80 MSPS data rates and to guarantee no missing 続きを見る
データシート Rev 0, 11/2009 (pdf 165kB)
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AD7985- 16-Bit, 2.5 MSPS PulSAR 11 mW ADC in QFN
The AD7985 is a 16-bit, 2.5 MSPS successive approximation analog-to-digital converter (SAR ADC). It contains a low power, high speed, 16-bit sampling ADC, an internal conversion clock, an internal reference (and buffer), error correction circuits, and a versatile serial interface port. On the rising edge of CNV, the AD7985 samples an analog input, IN+, between 0 V and REF with respect to a ground 続きを見る
データシート Rev 0, 09/2009 (pdf 656kB)
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