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AD9508SCPZ-EP-R7

Clock Fanout Buffer 4Out 1IN 1:4 24Pin LFCSP EP T/R

Product Details

The AD9508 provides clock fanout capability in a design that emphasizes low jitter to maximize system performance. This device benefits applications like clocking data converters with demanding phase noise and low jitter requirements.

There are four independent differential clock outputs, each with various types of logic levels available. Available logic types include LVDS 1.65 GHz, HSTL 1.65 GHz, and 1.8 V CMOS 250 MHz. In 1.8 V CMOS output mode, the differential output becomes two CMOS single-ended signals. The CMOS outputs are 1.8 V logic levels, regardless of the operating supply voltage.

Each output has a programmable divider that can be bypassed or be set to divide by any integer up to 1024. In addition, the AD9508 supports a coarse output phase adjustment between the outputs.

The device can also be pin programmed for various fixed configurations at power-up without the need for SPI or I2C programming.

The AD9508 is available in a 24-lead LFCSP and operates from a either a single 2.5 V or 3.3 V supply. The temperature range is −40°C to +85°C.

Applications

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Low jitter, low phase noise clock distribution
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Clocking high speed ADCs, DACs, DDSs, DDCs, DUCs, MxFEs
.
High performance wireless transceivers
.
High performance instrumentation
.
Broadband infrastructure

### Features and Benefits

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1.65 GHz differential clock inputs/outputs
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10-bit programmable dividers, 1 to 1024, all integers
.
Up to 4 differential outputs or 8 CMOS outputs
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Pin strapping capability for hardwired programming at power-up
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<115 fs rms broadband random jitter
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Additive output jitter: 41 fs rms typical 12 kHz to 20 MHz
.
Excellent output-to-output isolation
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Automatic synchronization of all outputs
.
See data sheet for additional features

AD9508-EP supports defense and aerospace applications AQEC standard

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Download AD9508-EP data sheet pdf
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Extended temperature range: −55°C to +105°C
.
Controlled manufacturing baseline
.
One assembly/test site
.
One fabrication site
.
Enhanced product change notification
.
Qualification data available on request
.
V62/13626 DSCC Drawing Number

AD9508SCPZ-EP-R7 PDF数据文档
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