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HMC842LC4B PDF даташит

Спецификация HMC842LC4B изготовлена ​​​​«Hittite Microwave» и имеет функцию, называемую «FANOUT BUFFER w/ PROGRAMMABLE OUTPUT VOLTAGE».

Детали детали

Номер произв HMC842LC4B
Описание FANOUT BUFFER w/ PROGRAMMABLE OUTPUT VOLTAGE
Производители Hittite Microwave
логотип Hittite Microwave логотип 

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HMC842LC4B Даташит, Описание, Даташиты
v00.0210
HMC842LC4Bwww.DataSheet4U.com
45 Gbps, FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE
Typical Applications
The HMC842LC4B is ideal for:
• OC-768 and SDH STM-256 Equipment
7 • 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
Features
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
Functional Diagram
General Description
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 Ohm 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 4x4 mm SMT package.
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
(VAC1, VAC2)
-1.4 -0.3
0V
Maximum Data Rate
45 Gbps
Maximum Clock Rate
28 32
GHz
Input Amplitude
Single-ended, peak-to-peak
Differential, peak-to-peak
50
100
1000
2000
mVp-p
Input High Voltage
-0.5 0.5 V
Input Low Voltage
-1 0 V
7-1
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









No Preview Available !

HMC842LC4B Даташит, Описание, Даташиты
v00.0210
HMC842LC4Bwww.DataSheet4U.com
45 Gbps, FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE
Electrical Specifications, (continued)
Parameter
Conditions
Output Amplitude
Differential, peak-to-peak @ 40 Gbps
Output High Voltage
Output Low Voltage
Input Return Loss
frequency < 32 GHz
Output Return Loss
Deterministic Jitter, Jd [1]
frequency < 32 GHz
Additive Random Jitter Jr
@ 28 GHz Clock Input
@ 32 GHz Clock Input
Rise Time, tr [1]
Fall Time, tf [1]
Propagation Delay, td
OUT1 to OUT2 Data Skew, tskew [1]
[1] Vdata = Differential 300 mVp-p, fdata = 40 Gbps PRBS 223-1 pattern
Min.
400
Typ.
-10
-1100
10
7
3
11
11
10
2
Max
1200
0.3
0.6
Units
mVp-p
mV
mV
dB
dB
ps, pp
ps rms
ps rms
ps
ps
ps
ps
DC Current vs. Supply Voltage [1] [2]
200
Differential Output Swing vs.
Supply Voltage [1] [2]
1200
175 1100
150 1000
125 900
100
+25C
+70C
75 -40C
800
+25C
+70C
700 -40C
50
-3.47
-3.41
-3.36 -3.3 -3.24 -3.19
SUPPLY VOLTAGE Vee (V)
-3.13
600
-3.47
-3.41
-3.36 -3.3 -3.24 -3.19
SUPPLY VOLTAGE Vee (V)
-3.13
Differential Output Swing vs. VAC [3]
1400
1200
1000
800
600 +25C
+70C
400 -40C
200
0
-1.4 -1.2
-1 -0.8 -0.6 -0.4 -0.2
CONTROL VOLTAGE VAC (V)
0
Differential Output Swing vs. Frequency [1]
1400
1200
1000
800
600
+25C
400 +70C
-40C
200
0
0 4 8 12 16 20 24 28 32
FREQUENCY (GHz)
[1] VAC = -0.3V
[2] Input data rate: 40 Gbps PRBS 223-1
[3] Frequency = 20 GHz
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
7
7-2









No Preview Available !

HMC842LC4B Даташит, Описание, Даташиты
v00.0210
HMC842LC4Bwww.DataSheet4U.com
45 Gbps, FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE
7
Rise Time vs. Supply Voltage [1][2]
14
12
10
8
+25C
+70C
-40C
6
-3.47
-3.41
-3.36 -3.3 -3.24 -3.19
SUPPLY VOLTAGE Vee (V)
-3.13
Fall Time vs. Supply Voltage [1][2]
14
12
10
8
+25C
+70C
-40C
6
-3.47
-3.41
-3.36 -3.3 -3.24 -3.19
SUPPLY VOLTAGE Vee (V)
-3.13
Rise / Fall Time vs. VAC [2]
14
12
10
8 Rise Time
Fall Time
6
-1.4
-1.2
-1 -0.8 -0.6 -0.4 -0.2
CONTROL VOLTAGE VAC (V)
0
Peak-to-Peak Jitter vs. Supply Voltage [1][2][3]
8
6
4
2
+25C
+70C
-40C
0
-3.47
-3.41
-3.36 -3.3 -3.24 -3.19
SUPPLY VOLTAGE Vee (V)
-3.13
7-3
Input Return Loss vs. Frequency [1][4]
0
-5 Data
-10
-15
-20
-25
-30
0 4 8 12 16 20 24 28 32
FREQUENCY (GHz)
Output Return Loss vs. Frequency [1][4]
0
-5
OUT1
OUT2
-10
-15
-20
-25
-30
-35
-40
0 4 8 12 16 20 24 28 32
FREQUENCY (GHz)
[1] VAC = -0.3V
[2] Input data rate: 40 Gbps PRBS 223-1
[3] Source jitter was not deembeded
[4] Device measured on evaluation board with single-ended time domain gating.
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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