Datasheet > ADCLK907

ADCLK907

更新时间： 2022-02-26 10:09:53

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亚德诺 - ADI		/
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描述
Ultrafast SiGe ECL Clock/Data Buffers

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ADCLK907 数据手册

Ultrafast SiGe

ECL Clock/Data Buffers

Data Sheet

ADCLK905/ADCLK907/ADCLK925

FEATURES

TYPICAL APPLICATION CIRCUITS

REF

95 ps propagation delay

7.5 GHz toggle rate

60 ps typical output rise/fall

60 fs random jitter (RJ)

On-chip terminations at both input pins

Extended industrial temperature range: −40°C to +125°C

2.5 V to 3.3 V power supply (V_CC− V_EE

)

APPLICATIONS

Figure 1. ADCLK905 ECL 1:1 Clock/Data Buffer

Clock and data signal restoration and level shifting

Automated test equipment (ATE)

High speed instrumentation

High speed line receivers

REF

V 1

Threshold detection

Converter clocking

GENERAL DESCRIPTION

The ADCLK905 (one input, one output), ADCLK907 (dual one

input, one output), and ADCLK925 (one input, two outputs) are

ultrafast clock/data buffers fabricated on the Analog Devices, Inc.,

proprietary XFCB3 silicon germanium (SiGe) bipolar process.

V 2

The ADCLK905/ADCLK907/ADCLK925 feature full-swing

emitter coupled logic (ECL) output drivers. For PECL (positive

ECL) operation, bias V_CCto the positive supply and V_EEto ground.

For NECL (negative ECL) operation, bias V_CCto ground and

REF

Figure 2. ADCLK907 ECL Dual 1:1 Clock/Data Buffer

_EEto the negative supply.

REF

The buffers offer 95 ps propagation delay, 7.5 GHz toggle rate,

10 Gbps data rate, and 60 fs random jitter (RJ).

The inputs have center tapped, 100 Ω, on-chip termination

resistors. A V_REFpin is available for biasing ac-coupled inputs.

The ECL output stages are designed to directly drive 800 mV

each side into 50 Ω terminated to V_CC− 2 V for a total

differential output swing of 1.6 V.

Figure 3. ADCLK925 ECL 1:2 Clock/Data Fanout Buffer

The ADCLK905/ADCLK907/ADCLK925 are available in

16-lead LFCSP packages.

Rev. B

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responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

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