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PDF CLC3601 Data sheet ( Hoja de datos )

Número de pieza CLC3601
Descripción (CLCx601) 550MHz Amplifiers
Fabricantes Cadeka 
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Data Sheet
Amplify the Human Experience
ComlinearCLC2601, CLC3601, CLC4601
Dual, Triple, and Quad 550MHz Amplifiers
www.datasheet4u.com
features
n 0.1dB gain flatness to 120MHz
n 0.01%/0.06˚ differential gain/
phase error
n 335MHz -3dB bandwidth at G = 2
n 550MHz -3dB bandwidth at G = 1
n 1,500V/μs slew rate
n 52mA output current (sufficient for
driving two video loads)
n 5.2mA supply current
n Fully specified at ±5V supplies
n CLC2601: Pb-free SOIC-8
n CLC3601, CLC4601: Pb-free SOIC-14
Applications
n Video line drivers
n S-Video driver
n Video switchers and routers
n ADC buffer
n Active filters
n Cable drivers
n Twisted pair driver/receiver
General Description
The Comlinear CLC2601 (dual), CLC3601 (triple), and CLC4601 (quad) are
high-performance, current feedback amplifiers. These amplifiers provide
550MHz unity gain bandwidth, ±0.1dB gain flatness to 120MHz, and 1,500V/μs
slew rate, exceeding the requirements of high-definition television (HDTV)
and other multimedia applications. These Comlinear high-performance ampli-
fiers also provide ample output current to drive multiple video loads.
The Comlinear CLC2601, CLC3601, and CLC4601 are designed to operate
from ±5V supplies. They consume only 5.2mA of supply current per channel.
The combination of high-speed, low-power, and excellent video performance
make these amplifiers well suited for use in many general purpose, high-
speed applications including standard definition and high definition video.
Typical Application - Driving Dual Video Loads
+Vs
Input
75Ω
Cable
75
75Ω
75Cable
Output A
75
Rf
Rg
-Vs
75Ω
75Cable
Output B
75
Ordering Information
Part Number
Package
CLC2601ISO8X
SOIC-8
CLC2601ISO8
SOIC-8
CLC3601ISO14X
SOIC-14
CLC3601ISO14
SOIC-14
CLC4601ISO14X
SOIC-14
CLC4601ISO14
SOIC-14
Moisture sensitivity level for all parts is MSL-1.
Pb-Free
Yes
Yes
Yes
Yes
Yes
Yes
Operating Temperature Range
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
Packaging Method
Reel
Rail
Reel
Rail
Reel
Rail
©2008 CADEKA Microcircuits LLC
www.cadeka.com

1 page




CLC3601 pdf
Data Sheet
Typical Performance Characteristics
TA = 25°C, Vs = ±5V, Rf = 510Ω, RL = 100Ω, G = 2; unless otherwise noted.
Non-Inverting Frequency Response
1
www.datasheet4u.com
0
-1
-2
-3
-4
-5
-6 VOUT = 0.2Vpp
-7
0.1
1
G = 10
G=5
G=2
G=1
Rf = 1kΩ
10
Frequency (MHz)
100
Frequency Response vs. CL
1
0
CL = 1000pF
-1 Rs = 5Ω
-2 CL = 500pF
Rs = 7Ω
-3 CL = 100pF
Rs = 15Ω
-4
CL = 50pF
-5 Rs = 20Ω
-6
-7
0.1
VOUT = 0.2Vpp
1
CL = 10pF
Rs = 40Ω
10
Frequency (MHz)
100
Frequency Response vs. VOUT
1
0
-1
-2
-3
-4
-5
-6
-7
0.1
VOUT = 4Vpp
VOUT = 2Vpp
VOUT = 1Vpp
1 10 100
Frequency (MHz)
Inverting Frequency Response
1000
1
0
-1
-2
-3
-4
-5
-6
VOUT = 0.2Vpp
-7
0.1 1
G = -10
G = -5
G = -2
G = -1
10
Frequency (MHz)
100
Frequency Response vs. RL
1000
2
1
0
-1
-2
-3
-4
-5 VOUT = 0.2Vpp
-6
0.1
1
RL = 2.5KΩ
RL = 1KΩ
RL = 150Ω
RL = 50Ω
10
Frequency (MHz)
100
Frequency Response vs. Temperature
1000
1
0
-1
-2
-3
-4
-5
-6 VOUT = 2Vpp
-7
0.1
1
+ 25degC
- 40degC
+ 85degC
10
Frequency (MHz)
100
1000
1000
1000
©2004-2008 CADEKA Microcircuits LLC
www.cadeka.com 5

5 Page





CLC3601 arduino
Data Sheet
Driving Capacitive Loads
Increased phase delay at the output due to capacitive load-
ing can cause ringing, peaking in the frequency response,
and possible unstable behavior. Use a series resistance,
RS, between the amplifier and the load to help improve
wwswta.dbailtiatsyheaent4dus.ceotmtling performance. Refer to Figure 6.
Input
+
-
Rg
Rf
Rs Output
CL RL
Figure 6. Addition of RS for Driving
Capacitive Loads
Table 2 provides the recommended RS for various capaci-
tive loads. The recommended RS values result in <=0.5dB
peaking in the frequency response. The Frequency Re-
sponse vs. CL plot, on page 5, illustrates the response of
the CLCx601 Family.
CL (pF)
10
50
100
RS (Ω)
40
20
15
-3dB BW (MHz)
350
200
140
Table 1: Recommended RS vs. CL
For a given load capacitance, adjust RS to optimize the
tradeoff between settling time and bandwidth. In general,
reducing RS will increase bandwidth at the expense of ad-
ditional overshoot and ringing.
Parasitic Capacitance on the Inverting Input
Physical connections between components create unin-
tentional or parasitic resistive, capacitive, and inductive
elements.
Parasitic capacitance at the inverting input can be espe-
cially troublesome with high frequency amplifiers. A para-
sitic capacitance on this node will be in parallel with the
gain setting resistor Rg. At high frequencies, its imped-
ance can begin to raise the system gain by making Rg
appear smaller.
In general, avoid adding any additional parasitic capaci-
tance at this node. In addition, stray capacitance across
the Rf resistor can induce peaking and high frequency
ringing. Refer to the Layout Considerations section for
additional information regarding high speed layout tech-
niques.
Overdrive Recovery
An overdrive condition is defined as the point when either
one of the inputs or the output exceed their specified volt-
age range. Overdrive recovery is the time needed for the
amplifier to return to its normal or linear operating point.
The recovery time varies, based on whether the input or
output is overdriven and by how much the range is ex-
ceeded. The CLCx601 Family will typically recover in less
than 20ns from an overdrive condition. Figure 7 shows the
CLC2601 in an overdriven condition.
1.00
0.75
VIN = 1.5Vpp
G=5
4
3
0.50
Input
0.25
0.00
Output
2
1
0
-0.25
-1
-0.50
-2
-0.75
-3
-1.00
0
-4
20 40 60 80 100 120 140 160 180 200
Time (ns)
Figure 7. Overdrive Recovery
Power Dissipation
Power dissipation should not be a factor when operating
under the stated 1000 ohm load condition. However, ap-
plications with low impedance, DC coupled loads should
be analyzed to ensure that maximum allowed junction
temperature is not exceeded. Guidelines listed below can
be used to verify that the particular application will not
cause the device to operate beyond it’s intended operat-
ing range.
Maximum power levels are set by the absolute maximum
junction rating of 150°C. To calculate the junction tem-
perature, the package thermal resistance value ThetaJA
JA) is used along with the total die power dissipation.
TJunction = TAmbient + (ӨJA × PD)
Where TAmbient is the temperature of the working environment.
©2004-2008 CADEKA Microcircuits LLC
www.cadeka.com 11

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