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NCS2550 750 MHz Voltage Feedback Op Amp
NCS2550 is a 750 MHz voltage feedback monolithic operational amplifier featuring high slew rate and low differential gain and phase error. The voltage feedback architecture allows for a superior bandwidth and low power consumption.
Features http://onsemi.com MARKING DIAGRAM
SOT23-5 (TSOP-5) SN SUFFIX CASE 483 YF0, N2550 A Y W G 5 YF0AYW G 1
* * * * * * * *
-3.0 dB Small Signal BW (AV = +2.0, VO = 0.5 Vp-p) 750 MHz Typ Slew Rate 1700 V/ms Supply Current 13 mA Input Referred Voltage Noise 5.0 nV/ Hz THD -64 dBc (f = 5.0 MHz, VO = 2.0 Vp-p) Output Current 100 mA Pin Compatible with EL5157, AD8057 This is a Pb-Free Device
5 1
Applications
* Line Drivers * Radar/Communication Receivers
3 NORMALIZED GAIN (dB) 0 -3 -6 -9 -12 -15 1k VOUT = 2.0 VPP VOUT = 1.0 VPP VOUT = 0.5 VPP Gain = +2 VS = 5V RF = 150W RL = 150W 10k 100k 10M 100M 1M FREQUENCY (Hz) 1G 10G
= NCS2550 = Assembly Location = Year = Work Week = Pb-Free Package
SOT23-5 (TSOP-5) PINOUT OUT VEE +IN 1 + 2 3 (Top View) - 4 -IN 5 VCC
ORDERING INFORMATION
Device NCS2550SNT1G Package SOT23-5 (TSOP-5) (Pb-Free) Shipping 3000/Tape & Reel
Figure 1. Frequency Response: Gain (dB) vs. Frequency Av = +2.0
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D.
(c) Semiconductor Components Industries, LLC, 2006
May, 2006 - Rev. 2
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Publication Order Number: NCS2550/D
NCS2550
PIN FUNCTION DESCRIPTION
Pin (SOT23/SC70) 1 Symbol OUT Function Output Equivalent Circuit
VCC ESD OUT
VEE
2 3
VEE +IN
Negative Power Supply Non-inverted Input
VCC
ESD -IN
ESD +IN
VEE
4 5
-IN VCC
Inverted Input Positive Power Supply VCC
See Above
-IN
+IN
OUT
CC
VEE
Figure 2. Simplified Device Schematic
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NCS2550
ATTRIBUTES
Characteristics ESD Human Body Model Machine Model Charged Device Model Moisture Sensitivity (Note 1) Flammability Rating Oxygen Index: 28 to 34 Value 2.0 kV 200 V 1.0 kV Level 1 UL 94 V-0 @ 0.125 in
1. For additional information, see Application Note AND8003/D.
MAXIMUM RATINGS
Parameter Power Supply Voltage Input Voltage Range Input Differential Voltage Range Output Current Maximum Junction Temperature (Note 2) Operating Ambient Temperature Storage Temperature Range Power Dissipation Thermal Resistance, Junction-to-Air Symbol VS VI VID IO TJ TA Tstg PD RqJA Rating 11 vVS vVS 100 150 -40 to +85 -60 to +150 (See Graph) 158 Unit Vdc Vdc Vdc mA C C C mW C/W
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 2. Power dissipation must be considered to ensure maximum junction temperature (TJ) is not exceeded. MAXIMUM POWER DISSIPATION (mW)
MAXIMUM POWER DISSIPATION
The maximum power that can be safely dissipated is limited by the associated rise in junction temperature. For the plastic packages, the maximum safe junction temperature is 150C. If the maximum is exceeded momentarily, proper circuit operation will be restored as soon as the die temperature is reduced. Leaving the device in the "overheated'' condition for an extended period can result in device damage.
1400 1200 1000 800 600 400 200 0 -50 -25 25 50 0 75 100 AMBIENT TEMPERATURE (C) 125 150
Figure 3. Power Dissipation vs. Temperature
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NCS2550
AC ELECTRICAL CHARACTERISTICS (VCC = +5.0 V, VEE = -5.0 V, TA = -40C to +85C, RL = 150 W to GND, RF = 150 W, AV = +2.0, Enable is left open, unless otherwise specified).
Symbol Characteristic Conditions Min Typ Max Unit FREQUENCY DOMAIN PERFORMANCE BW Bandwidth 3.0 dB Small Signal 3.0 dB Large Signal 0.1 dB Gain Flatness Bandwidth Differential Gain Differential Phase MHz AV = +2.0, VO = 0.5 Vp-p AV = +2.0, VO = 2.0 Vp-p AV = +2.0 AV = +2.0, RL = 150 W, f = 3.58 MHz AV = +2.0, RL = 150 W, f = 3.58 MHz AV = +2.0, Vstep = 2.0 V AV = +2.0, Vstep = 2.0 V (10%-90%) AV = +2.0, Vstep = 2.0 V f = 5.0 MHz, VO = 2.0 Vp-p f = 5.0 MHz, VO = 2.0 Vp-p f = 5.0 MHz, VO = 2.0 Vp-p f = 10 MHz, VO = 1.0 Vp-p f = 5.0 MHz, VO = 2.0 Vp-p f = 1.0 MHz f = 1.0 MHz 750 350 40 0.07 0.01 MHz %
GF0.1dB dG dP
TIME DOMAIN RESPONSE SR ts tr tf THD HD2 HD3 IP3 SFDR eN iN Slew Rate Settling Time 0.1% Rise and Fall Time 1700 10 2.0 ns V/ms ns
HARMONIC/NOISE PERFORMANCE Total Harmonic Distortion 2nd Harmonic Distortion 3rd Harmonic Distortion Third-Order Intercept Spurious-Free Dynamic Range Input Referred Voltage Noise Input Referred Current Noise -64 -65 -75 40 65 5.0 4.0 dB dBc dBc dBm dBc nV pA Hz Hz
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NCS2550
DC ELECTRICAL CHARACTERISTICS (VCC = +5.0 V, VEE = -5.0 V, TA = -40C to +85C, RL = 150 W to GND, RF = 150 W, AV = +2.0, Enable is left open, unless otherwise specified).
Symbol Characteristic Conditions Min Typ Max Unit DC PERFORMANCE VIO DVIO/DT IIB DIIB/DT Input Offset Voltage Input Offset Voltage Temperature Coefficient Input Bias Current Input Bias Current Temperature Coefficient VO = 0 V VO = 0 V -10 0 6.0 "3.2 "40 "20 +10 mV mV/C mA nA/C
INPUT CHARACTERISTICS VCM CMRR RIN CIN Input Common Mode Voltage Range (Note 3) Common Mode Rejection Ratio Input Resistance Differential Input Capacitance (See Graph) "3.0 40 "3.2 50 4.5 1.0 V dB MW pF
OUTPUT CHARACTERISTICS ROUT VO IO VS IS PSRR Output Resistance Output Voltage Range Output Current Closed Loop Open Loop "3.0 "50 0.1 11 "4.0 "100 10 5.0 (See Graph) 40 13 56 17 W V mA
POWER SUPPLY Operating Voltage Supply Power Supply Current Power Supply Rejection Ratio V mA dB
3. Guaranteed by design and/or characterization.
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NCS2550
AC ELECTRICAL CHARACTERISTICS (VCC = +2.5 V, VEE = -2.5 V, TA = -40C to +85C, RL = 150 W to GND, RF = 150 W, AV = +2.0, Enable is left open, unless otherwise specified).
Symbol Characteristic Conditions Min Typ Max Unit FREQUENCY DOMAIN PERFORMANCE BW Bandwidth 3.0 dB Small Signal 3.0 dB Large Signal 0.1 dB Gain Flatness Bandwidth Differential Gain Differential Phase MHz AV = +2.0, VO = 0.5 Vp-p AV = +2.0, VO = 1.0 Vp-p AV = +2.0 AV = +2.0, RL = 150 W, f = 3.58 MHz AV = +2.0, RL = 150 W, f = 3.58 MHz AV = +2.0, Vstep = 1.0 V AV = +2.0, Vstep = 1.0 V (10%-90%) AV = +2.0, Vstep = 1.0 V f = 5.0 MHz, VO = 1.0 Vp-p f = 5.0 MHz, VO = 1.0 Vp-p f = 5.0 MHz, VO = 1.0 Vp-p f = 10 MHz, VO = 0.5 Vp-p f = 5.0 MHz, VO = 1.0 Vp-p f = 1.0 MHz f = 1.0 MHz 550 200 35 0.07 0.02 MHz %
GF0.1dB dG dP
TIME DOMAIN RESPONSE SR ts tr tf THD HD2 HD3 IP3 SFDR eN iN Slew Rate Settling Time 0.1% Rise and Fall Time 900 10 1.7 ns V/ms ns
HARMONIC/NOISE PERFORMANCE Total Harmonic Distortion 2nd Harmonic Distortion 3rd Harmonic Distortion Third-Order Intercept Spurious-Free Dynamic Range Input Referred Voltage Noise Input Referred Current Noise -60 -65 -63 35 63 5.0 4.0 dB dBc dBc dBm dBc nV pA Hz Hz
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NCS2550
DC ELECTRICAL CHARACTERISTICS (VCC = +2.5 V, VEE = -2.5 V, TA = -40C to +85C, RL = 150 W to GND, RF = 150 W, AV = +2.0, Enable is left open, unless otherwise specified).
Symbol Characteristic Conditions Min Typ Max Unit DC PERFORMANCE VIO DVIO/DT IIB DIIB/DT Input Offset Voltage Input Offset Voltage Temperature Coefficient Input Bias Current Input Bias Current Temperature Coefficient VO = 0 V VO = 0 V -10 0 6.0 "3.2 "40 "20 +10 mV mV/C mA nA/C
INPUT CHARACTERISTICS VCM CMRR RIN CIN Input Common Mode Voltage Range (Note 3) Common Mode Rejection Ratio Input Resistance Differential Input Capacitance (See Graph) "1.1 40 "1.5 50 4.5 1.0 V dB MW pF
OUTPUT CHARACTERISTICS ROUT VO IO VS IS PSRR Output Resistance Output Voltage Range Output Current Closed Loop Open Loop "1.1 "50 0.1 11 "1.5 "100 5.0 5.0 (See Graph) 40 11 56 17 W V mA
POWER SUPPLY Operating Voltage Supply Power Supply Current Power Supply Rejection Ratio V mA dB
4. Guaranteed by design and/or characterization. VIN + - RL
VOUT
RF RF
Figure 4. Typical Test Setup (AV = +2.0, RF = 150 W, RL = 150 W)
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NCS2550
3 NORMALIZED GAIN (dB) NORMALIZED GAIN (dB) 0 -3 -6 -9 -12 -15 1k VOUT = 2.0 VPP VOUT = 1.0 VPP VOUT = 0.5 VPP Gain = +2 VS = 5V RF = 150W RL = 150W 10k 100k 10M 100M 1M FREQUENCY (Hz) 1G 10G 12 9 6 3 0 -3 -6 -9 -12 -15 -18 10k Gain = +1 VS = 5V RF = 150W RL = 150W 100k VOUT = 1.0 VPP VOUT = 0.7 VPP VOUT = 0.5 VPP
10M 100M 1M FREQUENCY (Hz)
1G
10G
Figure 5. Frequency Response: Gain (dB) vs. Frequency Av = +2.0
6 NORMALIZED GAIN (dB) 3 0 -3 -6 -9 -12 VS = 5V RF = 150W RL = 150W 1M 10M 100M FREQUENCY (Hz) 1G Gain = +2 VOUT = 1.0 VPP Gain = +2 VOUT = 2.0 VPP Gain = +1 VOUT = 1.0 VPP 12 9 NORMALIZED GAIN (dB) 6 3 0 -3 -6 -9 -12 -15 -18 10k
Figure 6. Frequency Response: Gain (dB) vs. Frequency Av = +1.0
Gain = +1
-15 100k
VOUT = 0.5 VPP VS = 5V RF = 150W RL = 150W 100k
Gain = +2
1M 10M 100M FREQUENCY (Hz)
1G
10G
Figure 7. Large Signal Frequency Response Gain (dB) vs. Frequency
Figure 8. Small Signal Frequency Response Gain (dB) vs. Frequency
VS = 5V
VS = 5V
Figure 9. Small Signal Step Response Vertical: 20 mV/div Horizontal: 3 ns/div
Figure 10. Large Signal Step Response Vertical: 1 V/div Horizontal: 3 ns/div
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NCS2550
-40 -45 DISTORTION (dB) -50 -55 -60 -65 -70 -75 -80 1 10 FREQUENCY (MHz) 100 THD HD2 HD3 Gain = +2 VOUT = 2 VPP VS = 5V RF = 150W RL = 150W -40 -45 DISTORTION (dB) -50 -55 -60 -65 -70 -75 -80 0 0.5 1 1.5 2 2.5 VOUT (VPP) HD3 3 3.5 4 4.5 THD HD2 Gain = +2 Freq = 5 MHz VS = 5V RF = 150W RL = 150W
Figure 11. THD, HD2, HD3 vs. Frequency
Figure 12. THD, HD2, HD3 vs. Output Voltage
50 VS = 5V VOLTAGE NOISE (nV/Hz) 40 30 20 10 0 CMRR (dB)
-20 -25 -30 -35 -40 -45 -50 10 100 1k FREQUENCY (Hz) 10k 1M -55 10k 100k 1M FREQUENCY (Hz) 10M 100M VS = 5V
Figure 13. Input Referred Voltage Noise vs. Frequency
Figure 14. CMRR vs. Frequency
0 DIFFERENTIAL GAIN (%) -10 -20 PSRR (dB) -30 -40 -50 -60 -70 10k 100k 1M FREQUENCY (Hz) 10M 100M VS = 5V
0.08 Gain = +2 0.06 V = 5V S RF = 150W 0.04 RL = 150W 0.02 0 -0.02 -0.04 -0.06 -0.08 -0.8 -0.6 -0.4
20MHz 10MHz
3.58MHz
4.43MHz
0.2 0.4 -0.2 0 OFFSET VOLTAGE (V)
0.6
0.8
Figure 15. PSRR vs. Frequency
Figure 16. Differential Gain
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NCS2550
0.03 DIFFERENTIAL PHASE () 0.02 0.01 0 CURRENT (mA) 10MHz 3.58MHz 4.43MHz 20MHz 14 13 12 11 10 9 8 7 -0.2 0 0.4 0.2 OFFSET VOLTAGE (V) 0.6 0.8 6 4 5 6 7 8 9 10 11 85C 25C -40C
-0.01
Gain = +2 VS = 5V -0.02 RF = 150W RL = 150W -0.03 -0.8 -0.6 -0.4
POWER SUPPLY VOLTAGE (V)
Figure 17. Differential Phase
Figure 18. Supply Current vs. Power Supply
8 25C 85C OUTPUT RESISTANCE (W) OUTPUT VOLTAGE (VPP) 7 6 5 4 3 2 4 5 9 6 7 8 POWER SUPPLY VOLTAGE (V) 10 11 -40C
100
VS = 5V
10
1
0.1
0.01 10k
100k
1M
10M
100M
1G
10G
FREQUENCY (Hz)
Figure 19. Output Voltage Swing vs. Supply Voltage
12 NORMALIZED GAIN (dB) 9 6 3 0 -3 -6 -9 -12 10k Gain = +2 VOUT = 0.5 VPP VS = 5V RF = 150W RL = 150W 100k 1M 100pF 47pF GAIN (dB) 10pF 70 60 50 40 30 20 10 0 10M 100M 1G 10G
Figure 20. Closed Loop Output Resistance vs. Frequency
VS = 5V RL = 150W
-10 10k
100k
1M
10M
100M
1G
10G
FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 21. Frequency Response vs. Capacitive Load
Figure 22. Voltage Gain vs. Frequency
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NCS2550
Printed Circuit Board Layout Techniques
Proper high speed PCB design rules should be used for all wideband amplifiers as the PCB parasitics can affect the overall performance. Most important are stray capacitances at the output and inverting input nodes as it can effect peaking and bandwidth. A space (3/16 is plenty) should be left around the signal lines to minimize coupling. Also, signal lines connecting the feedback and gain resistors should be short enough so that their associated inductance does not cause high frequency gain errors. Line lengths less than 1/4 are recommended.
Video Performance
This device designed to provide good performance with NTSC, PAL, and HDTV video signals. Best performance is obtained with back terminated loads as performance is degraded as the load is increased. The back termination reduces reflections from the transmission line and effectively masks transmission line and other parasitic capacitances from the amplifier output stage.
ESD Protection
(see Figure 23). These diodes provide moderate protection to input overdrive voltages above the supplies. The ESD diodes can support high input currents with current limiting series resistors. Keep these resistor values as low as possible since high values degrade both noise performance and frequency response. Under closed-loop operation, the ESD diodes have no effect on circuit performance. However, under certain conditions the ESD diodes will be evident. If the device is driven into a slewing condition, the ESD diodes will clamp large differential voltages until the feedback loop restores closed-loop operation. Also, if the device is powered down and a large input signal is applied, the ESD diodes will conduct.
VCC External Pin VEE Internal Circuitry
All device pins have limited ESD protection using internal diodes to power supplies as specified in the attributes table
Figure 23. Internal ESD Protection
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PACKAGE DIMENSIONS
TSOP-5 SN SUFFIX CASE 483-02 ISSUE E
D
5 1 2 4 3
S
B
L A
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL. 4. A AND B DIMENSIONS DO NOT INCLUDE MOLD FLASH, PROTRUSIONS, OR GATE BURRS. DIM A B C D G H J K L M S MILLIMETERS MIN MAX 2.90 3.10 1.30 1.70 0.90 1.10 0.25 0.50 0.85 1.05 0.013 0.100 0.10 0.26 0.20 0.60 1.25 1.55 0_ 10 _ 2.50 3.00 INCHES MIN MAX 0.1142 0.1220 0.0512 0.0669 0.0354 0.0433 0.0098 0.0197 0.0335 0.0413 0.0005 0.0040 0.0040 0.0102 0.0079 0.0236 0.0493 0.0610 0_ 10 _ 0.0985 0.1181
G
C 0.05 (0.002) H K
J
M
SOLDERING FOOTPRINT*
1.9 0.074
0.95 0.037
2.4 0.094 1.0 0.039 0.7 0.028
mm inches
SCALE 10:1
*For additional information on our Pb-Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
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NCS2550/D

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