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PDF HMC660LC4B Data sheet ( Hoja de datos )
| Número de pieza | HMC660LC4B | |
| Descripción | TRACK-AND-HOLD AMPLIFIER | |
| Fabricantes | Hittite Microwave | |
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v00.0506
5
Typical Applications
The HMC660LC4B is ideal for:
• RF ATE Applications
• Digital Sampling Oscilloscopes
• RF Demodulation Systems
• Digital Receiver Systems
• High Speed Peak Detectors
• Software Defined Radio
• Radar, ECM & ELINT Systems
• High Speed DAC De-Glitching
Functional Diagram
HMC660LC4B
0.02 - 4.5 GHz WIDEBAND,
3 GS/s TRACK-AND-HOLD AMPLIFIER
Features
4.5 GHz Input bandwidth (1 Vpp Full Scale)
3 GS/s Maximum Sampling Rate
61 dB SFDR (4 GHz / 0.5 Vpp Input, CLK = 1 GS/s)
55 dB SFDR (4 GHz / 1 Vpp Input, CLK = 1 GS/s)
Ultra-clean Ouput Waveforms, Minimal Glitching
>60 dB Hold Mode Feedthrough Rejection
1.05 mV RMS Hold Mode Output Noise
Single / Dual Rank Evaluation Boards Available
RoHS Compliant 4x4 mm SMT Package
General Description
The HMC660LC4B is a SiGe monolithic, fully-
differential, track-and-hold that provides unprecedented
bandwidth and performance to wideband sampled
signal systems. The novel design and low aperture jitter
enable 9 to 10-bit signal capture from 20 MHz to 4.5
GHz while sampling to 3 GS/s. The narrow sampling
aperture allows signal acquisition at frequencies well
beyond the input bandwidth. The output can be held for
5 ns, enabling lower-speed ADCs to sub sample a high
frequency wideband input signal.
5-2
Electrical Specifications TA = +25C, See Test Conditions on following page herein.
Parameter
Conditions
Test Level
Min.
Typ. Max.
Analog Inputs (INP, INN)
Differential Full Scale Range
1
AC Coupling Low Frequency Corner
16
Input Resistance
Each lead to ground
50
Return Loss
0 to 5 GHz
12
DC Clock Inputs (CLKDCP, CLKDCN)
Common Mode Voltage
2 2.5 3
Differential Clock High Voltage (Track Mode)
20 40 2000
Differential Clock Low Voltage (T/H Mode)
-20 -40 -2000
Differential Input Current
10
Common Mode Input Current
CLKDCP, CLKDCN @ 2.5V
6
AC Clock Inputs (CLKP, CLKN)
Amplitude (Sinusoidal Input)
Per input terminal
-10 0 10
Units
Vpp
MHz
Ω
dB
V
mV
mV
μA
μA
dBm
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
1 page  
5
5-6
v00.0506
HMC660LC4B
0.02 - 4.5 GHz WIDEBAND,
3 GS/s TRACK-AND-HOLD AMPLIFIER
Hold-Mode SFDR vs. Frequency & Clock
Power @ Full Scale (1Vpp) [1]
75
65
55
45
35
1000
3rd Order
Clock Power
0 dBm
+6 dBm
+10 dBm
2nd Order
2000
3000
FREQUENCY (MHz)
4000
Hold-Mode SFDR vs. Clock Power &
Clock Frequency @ Full Scale (1Vpp) [1]
80 100
70
60
50
40
30
0
1 GHz
2 GHz
3 GHz
4 GHz
4 GHz
1 GHz
2468
Clock Power (dBm)
90
80
70
60
50
10
Hold-Mode SFDR vs. Frequency & Clock
Power @ Full Scale (1Vpp) [2]
85
75
2nd Order
65
3rd Order
55
45
1000
Clock Power
0 dBm
+6 dBm
+10 dBm
2000
3000
FREQUENCY (MHz)
4000
Hold-Mode SFDR vs. Clock Power &
Clock Frequency @ Full Scale (1Vpp) [2]
110
80
1 GHz
100
70 2 GHz
90
60 3 GHz
80
50 4 GHz
70
40 4 GHz
3 GHz
60
30 1 GHz
50
0 2 4 6 8 10
Clock Power (dBm)
Hold-Mode SFDR vs. Frequency & Clock
Power @ Full Scale (1Vpp) [3]
80
3rd Order
70
2nd Order
60
50
40
2000
Clock Power
0 dBm
+6 dBm
+10 dBm
3000
FREQUENCY (MHz)
[1] Clock Rate 0.5 GS/s
[2] Clock Rate 1 GS/s
[3] Clock Rate 2 GS/s
4000
Hold-Mode SFDR vs. Clock Power &
Clock Frequency @ Full Scale (1Vpp) [3]
100
70 2 GHz
90
3 GHz
60
4 GHz
80
50
70
40
4 GHz
60
3 GHz
30
2 GHz
50
0 2 4 6 8 10
Clock Power (dBm)
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
5 Page 
v00.0506
HMC660LC4B
0.02 - 4.5 GHz WIDEBAND,
3 GS/s TRACK-AND-HOLD AMPLIFIER
5
Linearity Measurement and Calculation (Continued)
waveform. This single T/H linearity measurement method provides accurate results for clock frequencies up to about
2 GHz. This method is used to characterize and specify the linearity of a single T/H in the data sheet, in addition to
the usual dual rank configuration linearity measurements. Detailed information on the measurement technique and
theory can be found in the Application Note T/H Linearity Measurement Issues and Methods available at www.hittite.
com.
Typical Operating Circuit
Notes:
1. For track mode operation, CLKDCP and CLKDCN must be driven as shown above.
VCM = 2.5V, VDIFF = 40mV typical.
2. For track-and-hold mode operation, pin 11 and 12 may be left floating, or VDIFF can be set to zero.
3. All differential inputs are terminated on-chip with 50 ohms to ground.
5 - 12
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
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet HMC660LC4B.PDF ] | |
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