ADCLK948BCPZ

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Series Information for ADCLK948BCPZ - Analog Devices

Features

  • feature
    2 selectable differential inputs 4.8 GHz operating frequency 75 fs rms broadband random jitter On-chip input terminations 3.3 V power supply

Description

DIFF FANOUT BUFFER 4.8GHZ LFCSP-32

The ADCLK948 is an ultrafast clock fanout buffer fabricated on the Analog Devices, Inc., proprietary XFCB3 silicon germanium (SiGe) bipolar process. This device is designed for high speed applications requiring low jitter. The device has two selectable differential inputs via the IN_SEL control pin. Both inputs are equipped with center tapped, differential, 100 Ω on-chip termination resistors. The inputs accept dc-coupled LVPECL, CML, 3.3 V CMOS (single-ended), and ac-coupled 1.8 V CMOS, LVDS, and LVPECL inputs. A VREFx pin is available for biasing ac-coupled inputs. The ADCLK948 features eight full-swing emitter coupled logic (ECL) output drivers. For LVPECL (positive ECL) operation, bias VCC to the positive supply and VEE to ground. For ECL operation, bias VCC to ground and VEE to the negative supply. The output stages are designed to directly drive 800 mV each side into 50 Ω terminated to VCC − 2 V for a total differential output swing of 1.6 V. The ADCLK948 is available in a 32-lead LFCSP and specified for operation over the standard industrial temperature range of −40°C to +85°C.

Specifications

Clock IC Type:
Fanout Buffer
Frequency:
4.8GHz
No. of Outputs:
8Outputs
Supply Voltage Min:
2.97V
Supply Voltage Max:
3.63V
Clock IC Case Style:
LFCSP
No. of Pins:
32Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
ADCLK948 Series
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)
Supply Current:
288mA

Alternate Descriptions

Richardson RFPD
LOGIC AND TIMING