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TM
CT RODU T LETE P TE PRODUC OBSO TITU S E SUB 00 DataL H POSSIB Sheet FA11
HFA1150
June 2004 FN4836.1
700MHz, SOT-23, Low Distortion Current Feedback Operational Amplifier
The HFA1150 is a high-speed, wideband, fast settling op amp built with Intersil's proprietary complementary bipolar UHF-1 process. The current feedback architecture delivers superb bandwidth even at very high gains (>300MHz at AV = 10), and the low distortion and excellent video parameters make this amplifier ideal for communication and professional video applications. Though specified for 5V operation, the HFA1150 operates with single supply voltages as low as 4.5V, and requires only 3.4mA of Icc in 5V applications (see Application Information section, and Application Note AN9891). For a lower power amplifier in a SOT-23 package, please refer to the HFA1155 data sheet.
Features
* Low Distortion (5MHz, HD2) . . . . . . . . . . . . . . . . . -67dBc * a-3dB Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . 700MHz * High Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . 2700V/s * Fast Settling Time (0.1%). . . . . . . . . . . . . . . . . . . . . 20ns * Excellent Gain Flatness . . . . . . . . . . 0.05dB to 100MHz * High Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 60mA * Fast Overdrive Recovery . . . . . . . . . . . . . . . . . . . . . <5ns * Operates with 5V Single Supply (See AN9891)
Applications
* Video Switching and Routing * Pulse and Video Amplifiers * RF/IF Signal Processing * Flash A/D Driver
Part # Information
PART NUMBER (BRAND) HFA1150IB (H1150I) HFA1150IB96 (H1150I) HFA1150IH96 (1150) HFA11XXEVAL TEMP. RANGE (oC) -40 to 85 -40 to 85 -40 to 85 PACKAGE 8 Ld SOIC 8 Ld SOIC Tape and Reel PKG. NO. M8.15 M8.15
* Medical Imaging Systems * Related Literature - AN9420, Current Feedback Theory - AN9891, Single 5V Supply Operation
5 Ld SOT-23 Tape P5.064 and Reel
DIP Evaluation Board for High-Speed Op Amps
OPAMPSOT23EVAL SOT-23 Evaluation Board for High-Speed Op Amps
Pinouts
HFA1150 (SOIC) TOP VIEW
NC -IN +IN V1 2 3 4 + 8 7 6 5 NC V+ OUT NC OUT 1 V2 +
HFA1150 (SOT23) TOP VIEW
5 V+
+IN 3
4 -IN
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil and Design is a trademark of Intersil Corporation. | Copyright (c) Intersil Corporation 2000
HFA1150
Absolute Maximum Ratings TA = 25oC
Voltage Between V+ and V-. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VSUPPLY Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Output Current (50% Duty Cycle) . . . . . . . . . . . . . . . . . . . . . . 60mA ESD Rating Human Body Model (Per MIL-STD-883 Method 3015.7) . . . 600V
Thermal Information
Thermal Resistance (Typical, Note 1) JA (oC/W) SOIC Package . . . . . . . . . . . . . . . . . . . 175 SOT-23 Package . . . . . . . . . . . . . . . . . 225 Moisture Sensitivity (see Technical Brief TB363) SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Level 1 SOT-23 Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Level 1 Maximum Junction Temperature (Plastic Package) . . . . . . . .150oC Maximum Storage Temperature Range . . . . . . . . . -65oC to 150oC Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300oC (Lead Tips Only)
Operating Conditions
Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . -40oC to 85oC
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE: 1. JA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
VSUPPLY = 5V, AV = 1, RF = 510 , RL = 100 , Unless Otherwise Specified TEST CONDITIONS (NOTE 2) TEST TEMP. LEVEL (oC) A A C VCM = 2V VS = 1.25V +IN = 0V A A A A A A C VCM = 2V -IN = 0V A A A A C VCM = 2V VS = 1.25V A A A A A C B C 100kHz 100kHz 100kHz B B B B A 25 Full Full 25 Full 25 Full 25 Full Full 25 Full 25 Full Full 25 Full 25 Full 25 25 25 Full 25 25 25 25 Full HFA1150IB (SOIC) HFA1150IH (SOT-23) MIN 40 38 45 42 25 2.5 1 TYP 2 10 46 50 25 40 20 12 40 1 6 50 25 2 3.0 4.7 20 40 450 MAX 6 10 40 65 40 50 50 60 7 10 15 27 MIN 40 38 45 42 25 2.5 1 TYP 2 10 46 50 25 40 20 12 40 1 6 50 25 2 3.0 4.7 20 40 450 MAX 6 10 40 65 40 50 50 60 7 10 15 27 UNITS mV mV V/oC dB dB dB dB A A nA/oC A/V A/V A A nA/oC A/V A/V A/V A/V k pF V nV/Hz pA/Hz pA/Hz k V/V
PARAMETER INPUT CHARACTERISTICS Input Offset Voltage (Note 3) Input Offset Voltage Drift VIO CMRR VIO PSRR Non-Inverting Input Bias Current (Note 3) +IBIAS Drift +IBIAS CMS Inverting Input Bias Current (Note 3) -IBIAS Drift -IBIAS CMS -IBIAS PSS Non-Inverting Input Resistance Inverting Input Resistance Input Capacitance (Either Input) Input Common Mode Range Input Noise Voltage (Note 3) +Input Noise Current (Note 3) -Input Noise Current (Note 3) TRANSFER CHARACTERISTICS Open Loop Transimpedance Gain (Note 3) Minimum Stable Gain
2
HFA1150
Electrical Specifications
VSUPPLY = 5V, AV = 1, RF = 510 , RL = 100 , Unless Otherwise Specified (Continued) TEST CONDITIONS AV = -1 AV = +1 AV = +2 -3dB Bandwidth (VOUT = 2VP-P) Gain Flatness (VOUT = 0.2VP-P, Note 3) AV = +2 To 25MHz To 50MHz To 100MHz Full Power Bandwidth (VOUT = 5VP-P, Note 3) OUTPUT CHARACTERISTICS Output Voltage Output Current DC Closed Loop Output Impedance (Note 3) 2nd Harmonic Distortion (Note 3) 3rd Harmonic Distortion (Note 3) TRANSIENT CHARACTERISTICS Rise and Fall Times Overshoot Slew Rate (VOUT = 5VP-P) 5MHz, VOUT = 2VP-P 30MHz, VOUT = 2VP-P 5MHz, VOUT = 2VP-P 30MHz, VOUT = 2VP-P VOUT = 0.5VP-P VOUT = 0.5VP-P AV = -1 AV = +1 AV = +2 Settling Time (VOUT = 2V to 0V, Note 3) To 0.1% To 0.05% To 0.01% Overdrive Recovery Time VIDEO CHARACTERISTICS Differential Gain Differential Phase POWER SUPPLY CHARACTERISTICS Power Supply Range Power Supply Current (Note 3) NOTES: 2. Test Level: A. Production Tested; B. Typical or Guaranteed Limit Based on Characterization; C. Design Typical for Information Only. 3. See Typical Performance Curves for more information. 4. The feedback resistor value depends on closed loop gain and package type. See the "Optimum Feedback Resistor" table in the Application Information section for values used for characterization. 5. The minimum supply voltage entry is a typical value. Note 5 B A Full Full 2.25 12 5.5 16 2.25 12 5.5 16 V mA VIN = 2V NTSC, RL = 150 NTSC, RL = 75 NTSC, RL = 150 NTSC, RL = 75 AV = +1 AV = +2 AV = -1 RL = 50, AV = -1 (NOTE 2) TEST TEMP. LEVEL (oC) B B B B B B B B B A A A A B B B B B B B B B B B B B B B B B B 25 25 25 25 25 25 25 25 25 25 Full 25, 85 -40 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 HFA1150IB (SOIC) HFA1150IH (SOT-23) MIN 3.0 2.5 50 35 TYP 650 600 700 375 0.03 0.04 0.05 100 175 3.3 3.0 60 50 0.07 -67 -53 <-100 -76 0.6 12 2700 750 1300 20 33 55 5 0.02 0.04 0.03 0.06 MAX MIN 3.0 2.5 50 35 TYP 540 500 540 350 0.05 0.08 0.1 90 160 3.3 3.0 60 50 0.07 -67 -53 <-100 -76 0.7 12 2500 700 1200 30 37 60 5 0.02 0.04 0.03 0.06 MAX UNITS MHz MHz MHz MHz dB dB dB MHz MHz V V mA mA dBc dBc dBc dBc ns % V/s V/s V/s ns ns ns ns % % Degrees Degrees
PARAMETER AC CHARACTERISTICS -3dB Bandwidth (VOUT = 0.2VP-P, Note 3)
AV = +2, (Note 4) Unless Otherwise Specified
AV = +2, (Note 4) Unless Otherwise Specified
AV = +2, (Note 4) Unless Otherwise Specified
AV = +2, (Note 4) Unless Otherwise Specified
3
HFA1150 Application Information
Relevant Application Notes
The following Application Notes pertain to the HFA1150: * AN9787 - An Intuitive Approach to Understanding Current Feedback Amplifiers * AN9420 - Current Feedback Amplifier Theory and Applications * AN9663-Converting from Voltage Feedback to Current Feedback Amplifiers * AN9891-Operating the HFA1150 from 5V Single Supply These publications may be obtained from Intersil's web site (http://www.intersil.com).
ACL -1 +1 +2 +5 +10 OPTIMUM FEEDBACK RESISTOR RF () SOIC/SOT-23 422/464 383, (+RS = 226)/ 549, (+RS = 100) 576/499 348/422 178/348 BANDWIDTH (MHz) SOIC/SOT-23 650/540 600/500 700/540 480/400 380/300
5V Single Supply Operation
This amplifier operates at single supply voltages down to 4.5V. The dramatic supply current reduction at this operating condition (refer also to Figure 25) makes this op amp an even better choice for low power 5V systems. Refer to Application Note AN9891 for further information.
Performance Differences Between Packages
The HFA1150 is a high frequency current feedback amplifier. As such, it is sensitive to parasitic capacitances which influence the amplifier's operation. The different parasitic capacitances of the SOIC and SOT-23 packages yield performance differences (notably bandwidth and bandwidth related parameters) between the two devices see Electrical Specification tables for details. Because of these performance differences, designers should evaluate and breadboard with the same package style to be used in production. Note that some "Typical Performance Curves" have separate graphs for each package type. Graphs not labeled with a specific package type are applicable to both packages.
Driving Capacitive Loads
Capacitive loads, such as an A/D input, or an improperly terminated transmission line will degrade the amplifier's phase margin resulting in frequency response peaking and possible oscillations. In most cases, the oscillation can be avoided by placing a resistor (RS) in series with the output prior to the capacitance. Figure 1 details starting points for the selection of this resistor. The points on the curve indicate the RS and CL combinations for the optimum bandwidth, stability, and settling time, but experimental fine tuning is recommended. Picking a point above or to the right of the curve yields an overdamped response, while points below or left of the curve indicate areas of underdamped performance. RS and CL form a low pass network at the output, thus limiting system bandwidth well below the amplifier bandwidth of 700MHz/540MHz (SOIC/SOT-23, AV = +2). By decreasing RS as CL increases (as illustrated by the curves), the maximum bandwidth is obtained without sacrificing stability. In spite of this, bandwidth still decreases as the load capacitance increases. For example, at AV = +2, RS = 20, CL = 22pF, the SOIC bandwidth is 410MHz, but the bandwidth drops to 110MHz at AV = +2, RS = 5, CL = 390pF.
Optimum Feedback Resistor
The enclosed frequency response graphs detail the performance of the HFA1150 in various gains. Although the bandwidth dependency on ACL isn't as severe as that of a voltage feedback amplifier, there is an appreciable decrease in bandwidth at higher gains. This decrease can be minimized by taking advantage of the current feedback amplifier's unique relationship between bandwidth and RF . All current feedback amplifiers require a feedback resistor, even for unity gain applications, and the RF , in conjunction with the internal compensation capacitor, sets the dominant pole of the frequency response. Thus, the amplifier's bandwidth is inversely proportional to RF . The HFA1150 is optimized for a RF = 576/499 (SOIC/SOT-23), at a gain of +2. Decreasing RF decreases stability, resulting in excessive peaking and overshoot (Note: Capacitive feedback causes the same problems due to the feedback impedance decrease at higher frequencies). At higher gains the amplifier is more stable, so RF can be decreased in a trade-off of stability for bandwidth. The table below lists recommended RF values for various gains, and the expected bandwidth.
4
HFA1150
Evaluation Boards
50 SERIES OUTPUT RESISTANCE () AV = +2
40
30
The performance of the HFA1150IB (SOIC) may be evaluated using the HFA11XX Evaluation Board and a SOIC to DIP adaptor like the Aries Electronics Part Number 08-350000-10. The SOT-23 version can be evaluated using the OPAMPSOT23EVAL board. To order evaluation boards (part number HFA11XXEVAL or OPAMPSOT23EVAL), please contact your local sales office.
20 SOIC
SOT-23
10
The schematic and layout of the HFA11XXEVAL and OPAMPSOT23EVAL boards are shown below.
511 511 NC
0
0
50
100
150
200
250
300
350
400 1 50 2 3 0.1F 4 8 7 6 5 GND -5V GND 0.1F 50 10F +5V OUT NC
LOAD CAPACITANCE (pF)
FIGURE 1. RECOMMENDED SERIES OUTPUT RESISTOR vs LOAD CAPACITANCE
IN 10F
PC Board Layout
The frequency response of this amplifier depends greatly on the amount of care taken in designing the PC board. The use of low inductance components such as chip resistors and chip capacitors is strongly recommended, while a solid ground plane is a must! Attention should be given to decoupling the power supplies. A large value (10F) tantalum in parallel with a small value chip (0.1F) capacitor works well in most cases. Terminated microstrip signal lines are recommended at the input and output of the device. Output capacitance, such as that resulting from an improperly terminated transmission line, will degrade the frequency response of the amplifier and may cause oscillations. In most cases, the oscillation can be avoided by placing a resistor in series with the output. Care must also be taken to minimize the capacitance to ground seen by the amplifier's inverting input. The larger this capacitance, the worse the gain peaking, resulting in pulse overshoot and eventual instability. To reduce this capacitance, remove the ground plane under traces connected to -IN and keep these traces as short as possible. Examples of good high frequency layouts are the evaluation boards shown below.
FIGURE 2. HFA11XXEVAL SCHEMATIC HFA11XXEVAL TOP LAYOUT
VH 1 +IN VL V+ VGND
HFA11XXEVAL BOTTOM LAYOUT
5
HFA1150
49.9 OUT -5V 10F 0.1F 0 +IN 49.9 0 1 2 3 + 4 499 GND 5 0.1F 10F 499
0 +5V
FIGURE 3. OPAMPSOT23EVAL SCHEMATIC
OPAMPSOT23EVAL GND LAYOUT
TM
Call 1-888-INTERSIL or 321-724-7143
OPAMPSOT23EVAL TOP LAYOUT
OPAMPSOT23EVAL BOTTOM LAYOUT
Typical Performance Curves
VSUPPLY = 5V, RF = Value From the "Optimum Feedback Resistor" Table, TA = 25oC, RL = 100, Unless Otherwise Specified
200 150 OUTPUT VOLTAGE (mV)
2.0 AV = +1 1.5 OUTPUT VOLTAGE (V) 1.0 0.5 0 -0.5 -1.0 -1.5 -2.0 TIME (5ns/DIV.) TIME (5ns/DIV.) AV = +1
100 50 0 -50 -100 -150 -200
FIGURE 4. SMALL SIGNAL PULSE RESPONSE
FIGURE 5. LARGE SIGNAL PULSE RESPONSE
6
HFA1150 Typical Performance Curves
VSUPPLY = 5V, RF = Value From the "Optimum Feedback Resistor" Table, TA = 25oC, RL = 100, Unless Otherwise Specified
200 150 OUTPUT VOLTAGE (mV) OUTPUT VOLTAGE (V) 100 50 0 -50 -100 -150 -200 TIME (5ns/DIV.) 2.0 AV = +2 1.5 1.0 0.5 0 -0.5 -1.0 -1.5 -2.0 TIME (5ns/DIV.)
(Continued)
AV = +2
FIGURE 6. SMALL SIGNAL PULSE RESPONSE
200 SOIC 150 OUTPUT VOLTAGE (mV) 100 50 0 -50 -100 -150 -200 TIME (5ns/DIV.) AV = +5 AV = +5 AV = +10 OUTPUT VOLTAGE (V) 1.5 1.0 0.5 2.0
FIGURE 7. LARGE SIGNAL PULSE RESPONSE
AV = +10
SOIC
AV = +5 0 -0.5 -1.0 -1.5 -2.0 TIME (5ns/DIV.) AV = +5
FIGURE 8. SMALL SIGNAL PULSE RESPONSE
200 SOT-23 150 OUTPUT VOLTAGE (mV) 100 50 0 -50 -100 -150 -200 TIME (5ns/DIV.) AV = +10 OUTPUT VOLTAGE (V) 1.5 1.0 0.5 0 -0.5 -1.0 -1.5 -2.0 2.0
FIGURE 9. LARGE SIGNAL PULSE RESPONSE
AV = +10
SOT-23
AV = +5 AV = +5
AV = +5 AV = +5
TIME (5ns/DIV.)
FIGURE 10. SMALL SIGNAL PULSE RESPONSE
FIGURE 11. LARGE SIGNAL PULSE RESPONSE
7
HFA1150 Typical Performance Curves
VSUPPLY = 5V, RF = Value From the "Optimum Feedback Resistor" Table, TA = 25oC, RL = 100, Unless Otherwise Specified
NORMALIZED GAIN (dB)
(Continued)
3 0 -3 -6
VOUT = 200mVP-P , SOIC GAIN AV = +2
NORMALIZED GAIN (dB)
3 0 -3 -6
VOUT = 200mVP-P , SOIC GAIN
AV = +5
AV = +1 PHASE PHASE (DEGREES) AV = +2 0 90 180 270 AV = +1 1 10 100 FREQUENCY (MHz) 360 1000
AV = +10 PHASE 90 180 270 AV = +10 1 10 100 FREQUENCY (MHz) 360 1000 PHASE (DEGREES) PHASE (DEGREES) AV = +5 0
FIGURE 12. FREQUENCY RESPONSE
FIGURE 13. FREQUENCY RESPONSE
0.1 NORMALIZED GAIN (dB) 0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 1
VOUT = 200mVP-P , SOIC NORMALIZED GAIN (dB) AV = +1
VOUT = 5VP-P , SOIC
AV = +2
3 0 -3 -6 -9 AV = +1 AV = +2
10 100 FREQUENCY (MHz)
1000
1
10
100
1000
FREQUENCY (MHz)
FIGURE 14. GAIN FLATNESS
FIGURE 15. FULL POWER BANDWIDTH
NORMALIZED GAIN (dB)
NORMALIZED GAIN (dB)
3 0 -3 -6
VOUT = 200mVP-P , SOT-23 GAIN
AV = +2
3 0 -3 -6
VOUT = 200mVP-P , SOT-23 GAIN AV = +5
AV = +1 PHASE PHASE (DEGREES) AV = +2 0 90 180 270 AV = +1 1 10 100 360 1000
AV = +10 PHASE AV = +5 0 90 180 AV = +10 270 360 1000
FREQUENCY (MHz)
1
10
100
FREQUENCY (MHz)
FIGURE 16. FREQUENCY RESPONSE
FIGURE 17. FREQUENCY RESPONSE
8
HFA1150 Typical Performance Curves
VSUPPLY = 5V, RF = Value From the "Optimum Feedback Resistor" Table, TA = 25oC, RL = 100, Unless Otherwise Specified (Continued)
0.4 NORMALIZED GAIN (dB) 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 1
VOUT = 200mVP-P , SOT-23 NORMALIZED GAIN (dB)
VOUT = 5VP-P , SOT-23
3 0 -3 -6 -9 AV = +1 AV = +2
AV = +1
AV = +2
10
100
1000
1
FREQUENCY (MHz)
10 100 FREQUENCY (MHz)
1000
FIGURE 18. GAIN FLATNESS
FIGURE 19. FULL POWER BANDWIDTH
630 GAIN GAIN (k) 63
1000 OUTPUT RESISTANCE ()
100
PHASE (DEGREES)
6.3
PHASE
180 135 90 45 0
10
0.63
1
0.1 0.3 1 10 FREQUENCY (MHz) 100 1000
0.01
0.1
1
10
100
500
FREQUENCY (MHz)
FIGURE 20. OPEN LOOP TRANSIMPEDANCE
FIGURE 21. CLOSED LOOP OUTPUT RESISTANCE
0.1 SETTLING ERROR (%)
AV = +2 VOUT = 2V SOIC SETTLING ERROR (%)
0.1
AV = +2 VOUT = 2V SOT-23
0.05 0.025 0 -0.025 -0.05
0.05 0.025 0 -0.025 -0.05
-0.1
-0.1
10
20
30
40
50
60
70
80
90
100
10
20
30
40
50
60
70
80
90
100
TIME (ns)
TIME (ns)
FIGURE 22. SETTLING RESPONSE
FIGURE 23. SETTLING RESPONSE
9
HFA1150 Typical Performance Curves
VSUPPLY = 5V, RF = Value From the "Optimum Feedback Resistor" Table, TA = 25oC, RL = 100, Unless Otherwise Specified
10 200 180 NOISE VOLTAGE (nV/Hz) NOISE CURRENT (pA/Hz) SUPPLY CURRENT (mA) 8 160 140 6 ENI 4 I NI+ 120 100 80 60 40 20 17.5 15 12.5 10 7.5 5 2.5 0 4 5 6 7 8 9 10 11 12
(Continued)
2
I NI - 20 0 100 1K 10K FREQUENCY (Hz) 100K 0
TOTAL SUPPLY VOLTAGE (V+ - V-, V)
FIGURE 24. INPUT NOISE vs FREQUENCY
FIGURE 25. SUPPLY CURRENT vs SUPPLY VOLTAGE
-30 -40
-30
-40 DISTORTION (dBc) 100MHz -50
50MHz DISTORTION (dBc)
-50 100MHz -60 -70 -80 -90 30MHz 50MHz
30MHz
-60 5MHz -70
-80
5MHz -6 -3 0 3 6 9 12 -100 -6 -3 0 3 6 9 12 OUTPUT POWER (dBm)
OUTPUT POWER (dBm)
FIGURE 26. 2nd HARMONIC DISTORTION vs POUT
FIGURE 27. 3rd HARMONIC DISTORTION vs POUT
10
HFA1150 Die Characteristics
DIE DIMENSIONS: 53 mils x 25mils 1350m x 630m METALLIZATION: Type: Metal 1: AlCu (2%)/TiW Thickness: Metal 1: 8kA 0.4kA Type: Metal 2: AlCu (2%) Thickness: Metal 2: 16kA 0.8kA PASSIVATION: Type: Nitride Thickness: 4kA 0.5kA TRANSISTOR COUNT: 40 SUBSTRATE POTENTIAL (POWERED UP): Floating (Recommend Connection to V-)
Metallization Mask Layout
HFA1150
V+
OUT
V-
-IN
+IN
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Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
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