G14237-512WAは、1064 nmレーザを用いたラマン分光測定用に設計されたInGaAsリニアイメージセンサです。ラマンスペクトル域の計測に特化するため、従来品 (G11508-512 SA)よりもカットオフ波長を短くして、低暗電流化を実現しています。本製品はInGaAsフォトダイオードアレイとCMOSチップ上に形成されたチャージアンプ、オフセット補償回路、シフトレジスタ、タイミング発生回路で構成されています。チャージアンプはCMOSトランジスタアレイで構成され、InGaAsフォトダイオードアレイの各画素に接続されています。各画素からの信号は電荷蓄積モードで読み出されるため、近赤外域で高感度と安定した動作を実現しています。パッケージは気密封止されており信頼性に優れています。 CMOSチップ上の信号処理回路は、外部電圧によって4種類の変換効率 (CE: conversion efficiency)から選択できます。
|イメージサイズ||12.8 x 0.5 mm|
|画素サイズ||25 x 500 μm|
|ラインレート max.||9150 ライン/s|
|暗電流 max.||2 pA|
|測定条件||指定のない場合は、Typ. Ta=25 ℃,Vdd=5 V, INP=Vinp=PDN=4 V, Fref=1.2V,Vclk=5V, f=1 MHz, CE=16 nV/e-|
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