HMC865LC3C
v00.1209
32 Gbps LIMITING AMPLIFIER
Typical Applications
The HMC865LC3C is ideal for:
• 100 Gbps Ethernet
Features
Supports Data Rates up to 43 Gbps.
Low Power Dissipation: 300 mW @ Vcc = +3.3V
Differential Small Signal Gain: 30 dB
High Input Sensitivity: 10 mVp-p Differential
3-dB Bandwidth: 26.5 GHz
• 100 Gbps Long Haul
10
• 40 Gbps (D)QPSK Receivers
• Broadband Gain Block for Test & Measurement
Equipment
Adjustable Output Voltage
Swing up to 800 mVp-p Differential
16 Lead 3x3mm SMT package: 9mm2
Functional Diagram
General Description
The HMC865LC3C is a Limiting Amplifier packaged
in a leadless 3x3 mm ceramic surface mount package
which supports up to 43 Gbps operation. The amplifier
provides 30 dB of differential gain. Output voltage swing
is adjustable up to 800 mVp-p differential by using the
VAC analog control input. Additive rms jitter is less
than 300 fs for 32 Gbps operation. HMC865LC3C has
an internal DC offset correction circuit which provides
differential 10 mVpp input sensitivity.
All input/output RF signals of the HMC865LC3C
are terminated with 50 Ohms to +3.3V on chip and
may be either AC or DC coupled. The outputs of the
device can be operated either differentially or single-
ended. Outputs can be connected directly to 50 Ohm
terminated system referenced to 3.3V, while DC
blocking capacitors may be used if the terminating
system is 50 Ohms to a non 3.3V level.
Electrical Specifications, TA = +25 °C, Vcc = +3.3V, Vee = 0V, Icc = 90mA
Parameter
Differential Small Signal Gain
Data Rate
Conditions
VAC = 1.6V
Min.
Typ.
30
Max.
Units
dB
32
Gbps
GHz
dB
Small Signal Bandwidth
Input Return Loss
3-dB cutoff
Up to 26.5 GHz
Up to 26.5 GHz
Differential
26.5
10
10
Output Return Loss
Input Sensitivity
dB
10
mVp-p
mVp-p
mVp-p
ps
Maximum Input Swing
Differential Output Swing
Rise Time [1]
Differential
1,000
Adjustable by using VAC
20% - 80% @ 32 Gbps
250
800
13
[1] Vin = Differential 50 mVp-p, fin = 32 Gbps PRBS 223-1 pattern
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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