Features • Closed-loop buffer • 1750MHz small signal bandwidth • 4580V/µs slew rate • 0.06% / 0.02° differential gain/phase • -52dBc THD at 20MHz • Single supply operation (3V min.) • 75mA output current Description The LMH6559 is a high-speed, closed-loop buffer designed for applications requiring the processing of very high frequency signals. While offering a small signal bandwidth of 1750MHz, and an ultra high slew rate of 4580V/µs the LMH6559 consumes only 10mA of quiescent current. Total harmonic distortion into a load of 100 at 20MHz is -52dBc. The LMH6559 is configured internally for a loop gain of one. Input resistance is 200k and output resistance is but 1.2. These characteristics make the LMH6559 an ideal choice for the distribution of high frequency signals on printed circuit boards. Differential gain and phase specifications of 0.06% and 0.02° respectively at 3.58MHz make the LMH6559 well suited for the buffering of video signals. The device is fabricated on National's high-speed VIP10 process using National's proven high performance circuit architectures. Applications • Video switching and routing • Test point drivers • High frequency active filters • Wideband DC clamping buffers • High-speed peak detector circuits • Transmission systems • Telecommunications • Test equipment and instrumentation

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	Connection Diagram click for larger image
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Datasheet

Title		Size	Date	Other Language
	LMH6559 High-Speed, Closed-Loop Buffer	1409 Kbytes	21-Jul-06	日本語

Featured Application Notes

Title		Size	Date	Other Language
	AN-1615: Application Note 1615 LMH6555 Evaluation Board	1307 Kbytes	22-Jun-07	日本語
	AN-1704: Application Note 1704 LMH6555 Application as High Speed ADC Input Driver	141 Kbytes	20-Sep-07	日本語 中文

More Application Notes

Title		Size	Date	Other Language
	AN-1743: Application Note 1743 LMH6552SDEVAL High Speed Differential Amplifier Evaluation Board	417 Kbytes	20-Jun-08
	AN-1851: Application Note 1851 LMH6553SDEVAL High Speed Differential Amplifier Evaluation Board	417 Kbytes	20-Jun-08
	AN-1945: Application Note 1945 LMH6554LE−EVAL High Speed Differential Amplifier Evaluation Board	421 Kbytes	23-Oct-09
	AN-1704: Application Note 1704 LMH6555 Application as High Speed ADC Input Driver	141 Kbytes	20-Sep-07	日本語 中文
	AN-1719: Application Note 1719 Noise Figure Analysis Fully Differential Amplifier	158 Kbytes	18-Sep-07	日本語 中文
	AN-1615: Application Note 1615 LMH6555 Evaluation Board	1307 Kbytes	22-Jun-07	日本語
	AN-1393: Application Note 1393 Using High Speed Differential Amplifiers to Drive Analog to Digital Converters	535 Kbytes	8-May-06	日本語 中文
	AN-1716: Application Note 1716 Driving the ADC14DS105 High-Speed A/D Converter for High Performance	80 Kbytes	20-Sep-07	日本語 中文
	AN-1834: Application Note 1834 8-Pin PSOP Differential Amplifier Evaluation Board	527 Kbytes	11-Jun-08

Design Tools

Title	Size	Date
CLC730136 SOT23-5 Single High-Speed Buffer Evaluation Board - Included with LMH6559MF Sample Order	114 Kbytes	1-May-03

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
LMH6559MA	VIP 10	0	12801	0	0	1155000	4	327734403
LMH6559MAX	VIP 10	0	12801	0	0	1155000	4	327734403
LMH6559MF	VIP 10	0	12801	0	0	1155000	4	327734403
LMH6559MFX	VIP 10	0	12801	0	0	1155000	4	327734403

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

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