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HMC842 データシート(Datasheet) 4 Page - Analog Devices

部品番号. HMC842
部品情報  RF ATE Applications
ダウンロード  11 Pages
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
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For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 • Fax: 978-250-3373 • Order online at www.hittite.com
Application Support: Phone: 978-250-3343 or RFMG-hsl@analog.com
1
HMC842LC4B
v03.0914
45 Gbps, FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE
The HMC842LC4B is a 1:2 Fanout Buffer designed
to support data transmission rates up to 45 Gbps.
The device can also operate with clock signals up to
28 GHz. During normal operation, input data (or clock)
is transferred to both output channels. Differential input
and output signals of the HMC842LC4B are terminated
with 50 Ohms to ground on-chip, and may be either AC
or DC coupled. The Outputs can be connected directly
to a 50 Ohms-to-ground terminated system, while DC
blocking capacitors should be used if the terminating
system is 50 Ohms to a non-ground DC voltage.
The HMC842LC4B also features two separate output
level control pins, VAC1 and VAC2 which provide loss
compensation and signal level optimization for each
output channel independently. The HMC842LC4B
operates from a single -3.3V DC supply and is available
in a ceramic RoHS compliant 4 x 4 mm SMT package.
General Description
Features
Functional Diagram
Supports Clock Frequencies up to 28 GHz
Independent Programmable Output Swing for
Each Channel: 400 - 1200 mVp-p Diff.
Supports Single-Ended or Differential Operation
Power Consumption: 465 mW
Less than 500 fs Additive RMS Jitter
Fast Rise and Fall Times: <12ps
24 Lead 4x4mm SMT Package: 16mm2
Typical Applications
The HMC842LC4B is ideal for:
• OC-768 and SDH STM-256 Equipment
• RF ATE Applications
• Short, intermediate, & Long Haul Fiber Optic
Applications
• Broadband Test & Measurement
• Serial Data Transmission up to 45 Gbps
• Clock Buffering up to 28 GHz
Electrical Specifications, TA = +25°C, Vee = -3.3V
Parameter
Conditions
Min.
Typ.
Max
Units
Power Supply Voltage
±5 % Tolerance
-3.47
-3.3
-3.13
V
Power Supply Current
VAC1 = VAC2 = -0.3V
(Vout = 930 mVp-p diff @ 40 Gbps)
120
140
160
mA
Output Amplitude Control Voltage [1]
(VAC1, VAC2)
-1.4
-0.3
0
V
Maximum Data Rate
45
Gbps
Maximum Clock Rate
28
32
GHz
Input Amplitude
Single-ended, peak-to-peak
50
1000
mVp-p
Differential, peak-to-peak
100
2000
Input High Voltage
-0.5
0.5
V
Input Low Voltage
-1
0
V




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