LMH6644
- −3 dB BW (AV = +1) 130 MHz
- Supply Voltage Range 2.7 V to 12.8 V
- Slew Rate, (AV = −1) 130V/µs(1)
- Supply Current (no load) 2.7 mA/amp
- Output Short Circuit Current +115 mA to 145 mA
- Linear Output Current ±75 mA
- Input Common Mode Volt. 0.5 V Beyond V−,
1 V from V+ - Output Voltage Swing 40 mV from Rails
- Input Voltage Noise (100 kHz) 17nV/√Hz
- Input Current Noise (100 kHz) 0.9pA/√Hz
- THD (5 MHz, RL = 2 kΩ, VO = 2 VPP,
AV = +2) −62 dBc - Settling Time 68 ns
- Fully Characterized for 3 V, 5 V, and ±5 V
- Overdrive Recovery 100 ns
- Output Short Circuit Protected(2)
- No Output Phase Reversal with CMVR Exceeded
(VS = ±5 V, TA = 25°C,
RL = 2 kΩ, AV = +1. Typical Values Unless
Specified).
The LMH664X family true single supply voltage feedback amplifiers offer high speed (130 MHz), low distortion (−62 dBc), and exceptionally high output current (approximately 75 mA) at low cost and with reduced power consumption when compared against existing devices with similar performance.
Input common mode voltage range extends to 0.5V below V− and 1 V from V+. Output voltage range extends to within 40 mV of either supply rail, allowing wide dynamic range especially desirable in low voltage applications. The output stage is capable of approximately 75 mA in order to drive heavy loads. Fast output Slew Rate (130 V/µs) ensures large peak-to-peak output swings can be maintained even at higher speeds, resulting in exceptional full power bandwidth of 40 MHz with a 3 V supply. These characteristics, along with low cost, are ideal features for a multitude of industrial and commercial applications.
Careful attention has been paid to ensure device stability under all operating voltages and modes. The result is a very well behaved frequency response characteristic (0.1dB gain flatness up the 12 MHz under 150 Ω load and AV = +2) with minimal peaking (typically 2dB maximum) for any gain setting and under both heavy and light loads. This along with fast settling time (68ns) and low distortion allows the device to operate well in ADC buffer, and high frequency filter applications as well as other applications.
This device family offers professional quality video performance with low DG (0.01%) and DP (0.01°) characteristics. Differential Gain and Differential Phase characteristics are also well maintained under heavy loads (150 Ω) and throughout the output voltage range. The LMH664X family is offered in single (LMH6642), dual (LMH6643), and quad (LMH6644) options.
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技術資料
| 上位の文書 | タイプ | タイトル | フォーマットオプション | 最新の英語版をダウンロード | 日付 | |
|---|---|---|---|---|---|---|
| * | データシート | LMH664x Low Power, 130 MHz, 75 mA Rail-to-Rail Output Amplifiers データシート (Rev. Q) | PDF | HTML | 2014/09/20 | ||
| 回路設計 | バッファ付き計装アンプを使用した高電圧 SAR ADC 駆動回路 (Rev. A 翻訳版) | PDF | HTML | 英語版 (Rev.A) | PDF | HTML | 2024/10/16 | |
| 回路設計 | Inverting circuit for high-to-low voltage level translation to drive ADC (Rev. A) | PDF | HTML | 2024/09/19 | |||
| 回路設計 | Driving a low-voltage single-ended SAR ADC circuit with high-voltage input (Rev. A) | PDF | HTML | 2024/09/19 | |||
| アプリケーション・ノート | Reference-Buffer, ADC-Driver, and Transimpedance Applications for OPAx328 | PDF | HTML | 2022/11/19 | |||
| e-Book（PDF） | The Signal - オペアンプ設計ブログ集 | PDF | HTML | 英語版 | PDF | HTML | 2018/03/23 | |
| 設計ガイド | 高速、ハイサイド電流センスのリファレンス・デザイン | 英語版 | 2017/08/28 | |||
| アプリケーション・ノート | ADC Input Protection | 2013/09/04 | ||||
| アプリケーション・ノート | AN-1240 Video Transmission Over Twisted Pair Wire (Rev. C) | 2013/05/01 | ||||
| アプリケーション・ノート | AN-1244 Photo-Diode Current-to-Voltage Converters (Rev. B) | 2013/05/01 | ||||
| アプリケーション・ノート | シグナルパスに沿った設計 | 英語版 | 2005/03/30 |
設計と開発
その他のアイテムや必要なリソースを参照するには、以下のタイトルをクリックして詳細ページをご覧ください。
LMH730231 — 高速、４回路オペ・アンプ用 評価ボード、、14 ピン SOIC パッケージ
National Semiconductor offers this unpopulated Evaluation Board to aid in the evaluation and testing of high-speed Op Amp that are offered in the 14-Pin SOIC package. Resistors, capacitors, or any other surface-mount components can be easily mounted on this board in the desired circuit (...)
| パッケージ | ピン数 | CAD シンボル、フットプリント、および 3D モデル |
|---|---|---|
| SOIC (D) | 14 | Ultra Librarian |
| TSSOP (PW) | 14 | Ultra Librarian |