G14672-0808Wは、CMOS読み出し回路 (ROIC: readout integrated circuit)と裏面入射型InGaAsフォトダイオードのハイブリッド構造を採用しています。1画素は1つのInGaAsフォトダイオードと1つのROICによって構成され、Inバンプにより電気的に接続されています。ROICにはタイミング発生器が内蔵されており、簡単なデジタル入力で、アナログビデオ出力が得られます。 G14672-0808Wは320 × 256画素が20 μmピッチで配列され、ビデオラインから信号が読み出されます。入射光はInGaAsフォトダイオードで光電変換された後、Inバンプを介してROICに入力されます。ROICで電圧変換して、シフトレジスタにより順次ビデオラインから出力されます。なお2段電子冷却型でハーメチック構造のメタルパッケージのため安定動作を実現しています。
・感度波長範囲: 1.12～1.85 μm
・高感度: 3.5 μV/e-
・フレームレート: 509 フレーム/s max.
|最大感度波長 typ.||1750 nm|
|イメージサイズ||6.40 × 5.12 mm|
|画素サイズ||20 × 20 μm|
|総画素数||320 × 256 pixels|
|フレームレート max.||509 フレーム/s|
|測定条件||Ta=25 ℃, Tchip=-20 ℃, Vdd=5 V, Vdd(3.3 V)=Port_sel=Mode=3.3 V, Vb1=0.83 V, PD_bias=4.28 V, INP=4.2 V|
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