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Transcript
HMC856LC5
v01.0611
BROADBAND TIME DELAY - SMT
3
28 Gbps 5-BIT DIGITAL TIME DELAY
WITH PROGRAMMABLE OUTPUT VOLTAGE
Typical Applications
Features
The HMC856LC5 is ideal for:
Differential & Single-Ended Operation
• SONET OC-192
Supports Data Rates up to 28 Gbps
• High Speed Serial Logic
Fast Rise and Fall Times: 20 / 18 ps
• Clock & Data Recovery
Low Power Consumption: 610 mW typ.
• Broadband Test & Measurement Equipment
• Frequency Synthesis
Programmable Differential
Output Voltage Swing: 500 - 1350 mVp-p
• Matched Timing
Single Supply: -3.3V
32 Lead Ceramic 5x5 mm SMT Package: 25 mm2
Functional Diagram
General Description
The HMC856LC5 is a wideband time delay with a
5-bit digital control designed for timing compensation
or clock skew management applications. The time
delay provides nearly 100 ps of delay range with 3 ps
resolution and supports 28 Gbps data. The monotonic
delay is compensated for stable operation over both
power supply and temperature variation.
All differential inputs to the HMC856LC5 are CML and
terminated on-chip with 50 Ohms to the positive supply,
GND, and may be AC or DC coupled. The differential
CML outputs are source terminated to 50 Ohms and may
also be AC or DC coupled. Outputs can be connected
directly to a 50 Ohm ground terminated system or drive
devices with CML logic input. The control lines B4:B0
ae differential CML inputs terminated with 600 Ohms
to the positive rail, which supports lower power control
options. The HMC856LC5 features an output level
control pin, VR, which allows for loss compenstion or
signal level optimization. The HMC856LC5 operates
from a single -3.3 V supply and is available in ROHScompliant 5x5 mm SMT package.
Electrical Specifications, TA = +25 °C, Vee = -3.3 V, VR = 0 V
Parameter
Conditions
Power Supply Voltage
Min.
Typ.
Max
-3.7
-3.3
-2.9
Power Supply Current
185
Maximum Data Rate
V
mA
28
Gbps
Input Voltage Range, CML
-1.5
0.5
V
Input Differential Voltage
0.1
2.0
V
Output Rise / Fall Time
Random Jitter Jr
Deterministic Jitter, Jd
Input Return Loss
3-1
Units
Differential, 20% - 80%
20 / 18
ps
rms
0.2
ps rms
peak-to-peak, 215 -1 PRBS input [1]
<2
ps, p-p
Frequency <12 GHz
10
dB
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
www.BDTIC.com/Hittite/
HMC856LC5
v01.0611
28 Gbps 5-BIT DIGITAL TIME DELAY
WITH PROGRAMMABLE OUTPUT VOLTAGE
Electrical Specifications (continued)
Conditions
Output Amplitude
Min.
Typ.
Max
Units
Single-Ended, peak-to-peak
565
mVp-p
Differential, peak-to-peak
1130
mVp-p
Output High Voltage
-20
mV
Output Low Voltage
-585
mV
Output Return Loss
Frequency <12 GHz
10
dB
VR Pin Current
VR = 0.0 V
3.0
mA
VR Pin Current
VR = 0.4 V
4.25
Propagation Delay Data to Data, Tprop
255
Delay Control Range
92
mA
ps
ps
Delay Temperature Variation
Ta = 85 °C
9
12
ps
Delay Temperature Variation
Ta = -40 °C
4
8
ps
Delay Resolution
3
Output Differential Voltage
vs. Supply Voltage [1][2]
DC Current vs. Supply Voltage [1][2]
1500
DC CURRENT (mA)
260
DIFFERENTIAL VOLTAGE (mV)
280
+25C
+85C
-40C
240
220
200
180
160
140
120
-3.7
1400
+25C
+85C
-40C
1300
1200
1100
1000
900
800
700
-3.6
-3.5
-3.4
-3.3
-3.2
-3.1
-3
-3.7
-2.9
-3.6
-3.5
DC Current vs. VR [2][3]
-3.3
-3.2
-3.1
-3
-2.9
Output Differential Voltage vs. VR [2][3]
1500
280
260
DIFFERENTIAL VOLTAGE (mV)
+25C
+85C
-40C
240
DC CURRENT (mA)
-3.4
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
220
200
180
160
140
120
100
80
-1.2
ps
3
BROADBAND TIME DELAY - SMT
Parameter
1400
1300
+25C
+85C
-40C
1200
1100
1000
900
800
700
600
500
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
[1] VR = 0.0 V
[2] Frequency = 28 Gbps
-1.2
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
VR (V)
VR (V)
[3] Vee = -3.3 V
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
www.BDTIC.com/Hittite/
3-2
HMC856LC5
v01.0611
28 Gbps 5-BIT DIGITAL TIME DELAY
WITH PROGRAMMABLE OUTPUT VOLTAGE
Rise / Fall Time vs. Supply Voltage [1][2]
Rise / Fall Time vs. VR [2][4]
24
tr
tf
20
18
16
22
20
18
14
-3.7
-3.6
-3.5
-3.4
-3.3
-3.2
-3.1
-3
16
-1.2
-2.9
-1
-0.8
-0.6
SUPPLY VOLTAGE (V)
Input Return Loss vs. Frequency [1][3][4]
-0.2
0
0.2
0.4
Output Return Loss vs. Frequency [1][3][4]
10
5
0
0
-5
RETURN LOSS (dB)
5
-5
-10
-15
-20
-25
-10
-15
-20
-25
-30
-30
-35
0
5
10
15
20
25
0
5
10
FERQUENCY (GHz)
100
98
98
96
96
94
94
92
90
+25C
+85C
-40C
86
90
88
86
84
82
82
-3.6
-3.5
-3.4
-3.3
-3.2
-3.1
SUPPLY VOLTAGE (V)
[1] VR = 0.0 V
25
92
84
80
-3.7
20
Delay vs. VR [2][4]
100
88
15
FREQUENCY (GHz)
DELAY (ps)
DELAY (ps)
-0.4
VR (V)
Delay vs. Supply Voltage [1][2]
3-3
tr
tf
24
RISE/FALL TIME (ps)
RISE/FALL TIME (ps)
22
RETURN LOSS (dB)
BROADBAND TIME DELAY - SMT
3
26
[2] Frequency = 28 Gbps
-3
-2.9
80
-1.2
+25C
+85C
-40C
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
VR (V)
[3] Device measured on evaluation board with port extensions
[4] Vee = -3.3 V
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
www.BDTIC.com/Hittite/
HMC856LC5
28 Gbps 5-BIT DIGITAL TIME DELAY
WITH PROGRAMMABLE OUTPUT VOLTAGE
Normalized Delay vs. Setting [1][3][4][5]
100
100
90
90
80
80
70
70
+25C
+85C
-40C
60
DELAY (ps)
DELAY (ps)
Delay vs. Setting Over Temperature [1][3][4]
50
40
40
30
20
20
10
10
0
4
8
12
16
20
24
28
0
-40
32
-15
10
SETTING (bits)
40
350
35
85
-30 dBm
-25 dBm
-20 dBm
-10 dBm
0 dBm
30
+25C
+85C
-40C
AMPLITUDE (dB)
DELAY (ps)
60
Amplitude vs. Input Power [1][3][4]
360
330
35
TEMPERATURE (C)
Absolute Delay vs. Setting [1][2][4][5]
340
3
4
2
1
50
30
0
31
16
8
60
320
310
300
290
280
25
20
15
10
5
270
0
260
-5
-10
250
0
4
8
12
16
20
24
28
32
0
5
10
15
20
FREQUENCY (GHz)
SETTING (bits)
BROADBAND TIME DELAY - SMT
v01.0611
Eye Diagram @ 28 Gbps
Test Conditions:
Differential 400 mV data input generated with a 215 1 PN 28 Gbps PRBS pattern, resulting in a 28 Gbps
output measured using a Tektronix CSA 8000
[1] VR = 0 V [2] Frequency = 28 Gbps [3] Device measured on evaluation board with port extensions [4] Vee = -3.3 V
[5] Normalized to 0 setting at its respective temperature
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
www.BDTIC.com/Hittite/
3-4
HMC856LC5
v01.0611
28 Gbps 5-BIT DIGITAL TIME DELAY
WITH PROGRAMMABLE OUTPUT VOLTAGE
Timing Diagram
BROADBAND TIME DELAY - SMT
3
Absolute Maximum Ratings
Power Supply Voltage (Vee)
-3.75 V to +0.5 V
Input Signals
-2 V to +0.5 V
Output Signals
-1.5 V to 0.5 V
Maximum Junction Temperature
125 °C
Continuous Pdiss (T = 85 °C)
(derate 33 mW/°C above 85 °C)
1.33 W
Thermal Resistance (Rth j-p)
Worst-case device to package paddle
30 °C/W
Storage Temperature
-65 °C to +150 °C
Operating Temperature
-40 °C to +85 °C
ESD Sensitivity (HBM)
Class 1C
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
NOTES:
1. PACKAGE BODY MATERIAL: ALUMINA
2. LEAD AND GROUND PADDLE PLATING:
30-80 MICROINCHES GOLD OVER 50 MICROINCHES MINIMUM NICKEL.
3. DIMENSIONS ARE IN INCHES [MILLIMETERS].
4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
5. PACKAGE WARP SHALL NOT EXCEED 0.05 mm DATUM -C6. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND.
7. PADDLE MUST BE SOLDERED TO Vee.
3-5
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
www.BDTIC.com/Hittite/
HMC856LC5
v01.0611
28 Gbps 5-BIT DIGITAL TIME DELAY
WITH PROGRAMMABLE OUTPUT VOLTAGE
Pin Descriptions
Function
Description
1, 4, 5, 11,
14, 20, 21,
24
GND
Signal Grounds
2, 3
I+, I-
Differential Inputs: Current Mode Logic (CML)
referenced to positive supply.
6, 7,
9, 10,
12, 13,
15, 16,
18, 19
B0+, B0-,
B1+, B1-,
B2+, B2-,
B3+, B3-,
B4-, B4+
Differential Inputs: Current Mode Logic (CML)
referenced to positive supply.
8, 17, 25, 32
N/C
No connection necessary. These pins may be connected to
RF/DC ground without affecting performance.
22, 23
O-, O+
Differential Outputs: Current Mode Logic (CML)
referenced to positive supply, 600 Ohm termination.
26, 31
GND
Supply Ground
27, 30,
Package Base
Vee
These pins and the exposed paddle must be
connected to the negative voltage supply.
28
VR
Output level control. Output level may be increased
or decreased by applying a voltage to VR per “Output
Differential vs. VR” plot.
29
VB
VB Tie to ground.
Interface Schematic
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
www.BDTIC.com/Hittite/
3
BROADBAND TIME DELAY - SMT
Pin Number
3-6
HMC856LC5
v01.0611
28 Gbps 5-BIT DIGITAL TIME DELAY
WITH PROGRAMMABLE OUTPUT VOLTAGE
Evaluation PCB
BROADBAND TIME DELAY - SMT
3
List of Materials for Evaluation PCB 127102 [1]
Item
Description
J1, J2
PCB Mount SMA RF Connectors
J3, J4
PCN Mount K RF Connectors
J5
0.1” 2 x 5 Header
J7 - J14
0.04” DC Pin
JP1
0.1” 2 Position Header with Shunt
C1, C2
4.7 µF Capacitor, Case A.
C3 - C5
100 pF Capacitor, 0402 Pkg.
R1, R8
10 Ohm Resistor, 0603 Pkg.
R2
1.2 kOhm Resistor, 0603 Pkg.
R3 - R7
2.7 kOhm Resistor, 0603 Pkg.
U1
HMC856LC5 28 Gbps Digital Time Delay
PCB [2]
127100 Evaluation Board
The circuit board used in the application should use
RF circuit design techniques. Signal lines should
have 50 Ohm impedance while the package ground leads should be connected directly to the
ground plane similar to that shown. The exposed
metal package base must be connected to Vee. A
sufficient number of via holes should be used to
connect the top and bottom ground planes. The
evaluation circuit board shown is available from
Hittite upon request. Install jumper on JP1 to short
VR to GND for normal operation.
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Arlon 25FR or Rogers 4350
3-7
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
www.BDTIC.com/Hittite/
HMC856LC5
v01.0611
28 Gbps 5-BIT DIGITAL TIME DELAY
WITH PROGRAMMABLE OUTPUT VOLTAGE
Application Circuit
BROADBAND TIME DELAY - SMT
3
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
www.BDTIC.com/Hittite/
3-8