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EL5100, EL5101, EL5300
Data Sheet September 22, 2004 FN7330.1
200MHz Slew Enhanced VFA
The EL5100, EL5101, and EL5300 represent high-speed voltage feedback amplifiers based on the current feedback amplifier architecture. This gives the typical high slew rate benefits of a CFA family along with the stability and ease of use associated with the VFA type architecture. This family is available in single, dual, and triple versions, with 200MHz, 400MHz, and 700MHz versions. This family operates on single 5V or 5V supplies from minimum supply current. The EL5100 and EL5300 also feature an output enable function, which can be used to put the output in to a high-impedance mode. This enables the outputs of multiple amplifiers to be tied together for use in multiplexing applications.
Features
* Pb-free available as an option * Specified for 5V or 5V applications * Power-down to 17A/amplifier * -3dB bandwidth = 200MHz * 0.1dB bandwidth = 20MHz * Low supply current = 2.5mA * Slew rate = 2200V/s * Low offset voltage = 4mV max * Output current = 100mA * AVOL = 1000 * Diff gain/phase = 0.08%/0.1
Ordering Information
PART NUMBER EL5100IS EL5100IS-T7 EL5100IS-T13 EL5100IW-T7 EL5100IW-T7A EL5101IC-T7 EL5101IC-T7A EL5101IW-T7 EL5101IW-T7A EL5300IU EL5300IU-T7 EL5300IU-T13 EL5300IUZ (See Note) EL5300IUZ-T7 (See Note) EL5300IUZT13 (See Note) PACKAGE 8-Pin SO 8-Pin SO 8-Pin SO 6-Pin SOT-23 6-Pin SOT-23 SC-70 SC-70 5-Pin SOT-23 5-Pin SOT-23 16-Pin QSOP 16-Pin QSOP 16-Pin QSOP 16-Pin QSOP (Pb-free) 16-Pin QSOP (Pb-free) 16-Pin QSOP (Pb-free) TAPE & REEL 7" 13" 7" (3K pcs) 7" (250 pcs) 7" (3K pcs) 7" (250 pcs) 7" (3K pcs) 7" (250 pcs) 7" 13" 7" 13" MDP0038 MDP0038 MDP0040 MDP0040 MDP0040 MDP0040 MDP0040 MDP0040 PKG. DWG. # MDP0027 MDP0027 MDP0027 MDP0038 MDP0038
Applications
* Video amplifiers * PCMCIA applications * A/D drivers * Line drivers * Portable computers * High speed communications * RGB applications * Broadcast equipment * Active filtering
NOTE: Intersil Pb-free products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which is compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020C.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright (c) Intersil Americas Inc. 2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc. All other trademarks mentioned are the property of their respective owners.
EL5100, EL5101, EL5300 Pinouts
EL5100 (6-PIN SOT-23) TOP VIEW
OUT 1 VS- 2 IN+ 3 +6 VS+ 5 ENABLE 4 INOUT 1 VS- 2 IN+ 3 +4 IN-
EL5101 (5-PIN SOT-23) TOP VIEW
5 VS+
EL5100 (8-PIN SO) TOP VIEW
NC 1 IN- 2 IN+ 3 GND 4 + 8 ENABLE 7 VS+ 6 OUT 5 NC INA+ 1 CEA 2 VS- 3 CEB 4 INB+ 5 NC 6 CEC 7 INC+ 8
EL5300 (16-PIN QSOP) TOP VIEW
16 INA+ 15 OUTA 14 VS+ + 13 OUTB 12 INB11 NC + 10 OUTC 9 INC-
2
FN7330.1
EL5100, EL5101, EL5300
Absolute Maximum Ratings (TA = 25C)
Supply Voltage between VS+ and GND. . . . . . . . . . . . . . . . . . 13.2V Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VS Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4V Maximum Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80mA Storage Temperature Range . . . . . . . . . . . . . . . . . .-65C to +150C Ambient Operating Temperature Range . . . . . . . . . .-40C to +85C Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150C
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. IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA
DC Electrical Specifications
PARAMETER VOS TCVOS IB IOS TCIOS PSRR CMRR CMIR RIN CIN IS,ON IS,OFF
VS = 5V, GND = 0V, TA = 25C, VCM = 0V, VOUT = 0V, VENABLE = GND or OPEN, unless otherwise specified. CONDITIONS MIN -4 Measured from TMIN to TMAX VIN = 0V VIN = 0V Measured from TMIN to TMAX 70 VCM from -3V to +3V Guaranteed by CMRR test VIN = -3V to +3V 60 -3 0.7 1.2 1 Per amplifier VS+, per amplifier VS-, per amplifier 2.1 -5 5 3.3 RL = 1k to GND, VOUT from -2.5V to +2.5V RL = 150 to GND RL = 1k to GND 55 3.2 3.6 60 3.4 3.8 -3.4 -3.8 60 VS+ -4 VS+ -1 Enabled, VEN = 0V Disabled, VEN = 5V -1 5 17 1 25 100 -3.2 -3.6 2.5 0 17 2.9 5 25 12 -6 -2.5 TYP 1 8 2 0.5 8 90 75 +3 6 2.5 MAX 4 UNIT mV V/C A A nA/C dB dB V M pF mA A A V dB V V V V mA V V A A
DESCRIPTION Offset Voltage Offset Voltage Temperature Coefficient Input Bias Current Input Offset Current Input Bias Current Temperature Coefficient Power Supply Rejection Ratio Common Mode Rejection Ratio Common Mode Input Range Input Resistance Input Capacitance Supply Current - Enabled Supply Current - Shut Down
PSOR AVOL VOP
Power Supply Operating Range Open Loop Gain Positive Output Voltage Swing
VON
Negative Output Voltage Swing
RL = 150 to GND RL = 1k to GND
IOUT VIH-EN VIL-EN IEN
Output Current ENABLE pin Voltage for Power Up ENABLE pin Voltage for Shut Down Enable Pin Current
RL = 10 to 0V
3
FN7330.1
EL5100, EL5101, EL5300
Closed Loop AC Electrical SpecificationsVS = 5V, TA = 25C, VENABLE = 0V, AV = +1, RF = 0, RL = 150 to GND, unless otherwise specified. PARAMETER BW SR tR,tF OS tPD tS dG dP eN iN tDIS tEN DESCRIPTION -3dB Bandwidth (VOUT = 200mVP-P) Slew Rate Rise Time, Fall Time Overshoot Propagation Delay 0.1% Settling Time Differential Gain Differential Phase Input Noise Voltage Input Noise Current Disable Time Enable Time CONDITIONS VS = 5V, AV = 1, RF = 0 RL = 100, VOUT = -3V to +3V, AV = +2 0.1V step 0.1V step 0.1V step VS = 5V, RL = 500, AV = 1, VOUT = 2.5V AV = 2, RL = 150, VINDC = -1 to +1V AV = 2, RL = 150, VINDC = -1 to +1V f = 10kHz f = 10kHz MIN 150 1500 TYP 200 2200 2.8 10 3.2 20 0.08 0.1 10 7 180 650 4500 MAX UNIT MHz V/s ns % ns ns % nV/Hz pA/Hz ns ns
Typical Performance Curves
5 4 NORMALIZED GAIN (dB) 3 2 1 0 -1 -2 -3 -4 -5 100K 1M 10M FREQUENCY (Hz) 100M 1G 5 NORMALIZED GAIN (dB) AV=+1 RL=50 SUPPLY=5.0V 1.75 2.0 3.0 4.0 5.0 4 3 2 1 0 -1 -2 -3 -4 -5 100K 1M 10M FREQUENCY (Hz) 100M 1G AV=+1 RL=500 CIN-=0pF SUPPLY=5.0V 8.8pF 6.6pF 4.4pF 2.2pF 0pF
FIGURE 1. GAIN vs FREQUENCY FOR VARIOUS CL
FIGURE 2. GAIN vs FREQUENCY FOR VARIOUS CL
5 4 NORMALIZED GAIN (dB) 3 2 1 0 -1 -2 -3 -4 -5 100K 1M 10M FREQUENCY (Hz) 100M 600M 2.2pF NORMALIZED GAIN (dB) AV=+2 RL=150 CL=2.2pF RF=383 17.1pF 11.5pF 5.8pF
5 4 3 2 1 0 -1 -2 -3 -4 -5
AV=+2 RF=RG=383 CL=2.2pF RL=150
6.6pF 4.4pF 2.2pF
0pF
100K
1M
10M FREQUENCY (Hz)
100M
600M
FIGURE 3. GAIN vs FREQUENCY FOR VARIOUS CIN-
FIGURE 4. GAIN vs FREQUENCY FOR VARIOUS CIN-
4
FN7330.1
EL5100, EL5101, EL5300 Typical Performance Curves (Continued)
5 NORMALIZED GAIN (dB) 4 3 2 1 0 -1 -2 -3 -4 -5 100K 1M 10M 100M 2.2pF NORMALIZED GAIN (dB) AV=+5 RF=383 CL=2.2pF RL=150 13.4pF 7.8pF 5
A =+1 4 RV=500 L 3 CL=2.5pF CIN-=0pF 2 SUPPLY=5.0V 1 0 -1 -2 -3 -4 -5 100K 1M 50 20
500 200 100
10M FREQUENCY (Hz)
100M
1G
FREQUENCY (Hz)
FIGURE 5. GAIN vs FREQUENCY FOR VARIOUS CIN (-)
FIGURE 6. GAIN vs FREQUENCY FOR VARIOUS RL
5 NORMALIZED GAIN (dB) 4 3 2 1 0 -1 -2 -3 -4 -5 100K 1M 10M 1.5 100M NORMALIZED GAIN (dB) AV=+5 RF=383 CL=2.2pF RL=150 750 150 2.0
5 4 3 2 1 0 -1 -2 -3 -4 -5
AV=+1 CL=2.2pF 1500 1000 500 400 200
100K
1M
10M FREQUENCY (Hz)
100M
600M
FREQUENCY (Hz)
FIGURE 7. GAIN vs FREQUENCY FOR VARIOUS RL
FIGURE 8. GAIN vs FREQUENCY FOR VARIOUS RL
5 4 NORMALIZED GAIN (dB) 3 2 1 0 -1 -2 -3 -4 -5
NOISE VOLRAGE (nv/Hz)
AV=+2 RF=RG=383 CL=2.2pF RL=150 1.5k 715 383 150 100K 1M 10M FREQUENCY (Hz) 100M 600M
VS=5V
100
10
1 10
100
1K FREQUENCY (Hz)
10K
100K
FIGURE 9. GAIN vs FREQUENCY FOR VARIOUS RL
FIGURE 10. EQUIVALENT INPUT VOLTAGE NOISE vs FREQUENCY
5
FN7330.1
EL5100, EL5101, EL5300 Typical Performance Curves (Continued)
100 90 OPEN LOOP GAIN (dB) 80 70 60 50 40 30 20 10 0 500 1K 10K 100K 1M 10M GAIN VS=5V PHASE
0 36 72 ZOUT () 144 180 216 252 PHASE () 108 10
VS=5V AV=+1
1
0.1
100M 500M
0.01 10K
100K
1M FREQUENCY (Hz)
10M
100M
FREQUENCY (Hz)
FIGURE 11. OPEN LOOP GAIN AND PHASE vs FREQUENCY
FIGURE 12. ZOUT vs FREQUENCY
10 0 -10 PSRR (dB) -20 -30 -40 -50 -60 -70 -80 -90 10 100 1K 10K 100K 1M 10M 100M 500M -VS +VS AV=+1 VS=5V RL=150 CMRR (dB)
-10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 1K 10K 100K 1M 10M 100M 500M AV=+10 VS=5V
FREQUENCY (Hz)
FREQUENCY (Hz)
FIGURE 13. PSRR vs FREQUENCY
FIGURE 14. CMRR vs FREQUENCY
INPUT CH1 CH1 RISE 1.408ns INPUT CH1 CH2 OUTPUT CH2 CH1=500mV/DIV 50 CH2=100mV/DIV 50 TIME (2ns/DIV) CH1=500mV/DIV 50 CH2=100mV/DIV 50 TIME (2ns/DIV) CH2 RISE 1.787ns CH2 OUTPUT CH2 CH1 FALL 1.103ns
CH1
CH1
CH2 FALL 1.549ns
FIGURE 15. LARGE SIGNAL RISE TIME
FIGURE 16. LARGE SIGNAL FALL TIME
6
FN7330.1
EL5100, EL5101, EL5300 Typical Performance Curves (Continued)
CH1
VCC VEE = 5V AV=1 RL=150 CH1 RISE 1.717ns
INPUT CH1
CH1 CH2
AV=+1 RL=150 VS=5V
CHANNEL 1
CH2
OUTPUT CH2
CHANNEL 2
CH2 RISE 1.808ns CH1=10mV/DIV CH2=2mV/DIV TIME (2ns/DIV) TIME (2ns/DIV) CH1=10mV CH2=2mV
FIGURE 17. SMALL SIGNAL RISE TIME
FIGURE 18. SMALL SIGNAL RISE TIME
CH1 CH2
INPUT CH1
CURRENT NOISE (pA)
VCC VEE = 5V AV=1 RL=150 CH1 FALL 1.306ns
100
OUTPUT CH2 CH2 FALL 2.351ns CH1=10mV/DIV CH2=2mV/DIV TIME (2ns/DIV)
10
1 100
1K
10K
100K
FREQUENCY (Hz)
FIGURE 19. SMALL SIGNAL FALL TIME
FIGURE 20. CURRENT NOISE
5 4 NORMALIZED GAIN (dB) 3 2 1 0 -1 -2 -3 -4 -5
AV=+1 RL=150
15pF 13.4pF NORMALIZED GAIN (dB)
5 4 3 2 1 0 -1 -2 -3 -4 -5
RL=150 CIN-=0pF
24.6 pF 19pF 13.4pF 7.8pF
7.8pF 2.2pF
2.2pF
100K
1M
10M FREQUENCY (Hz)
100M
600M
100K
1M
10M FREQUENCY (Hz)
100M
600M
FIGURE 21. GAIN vs FREQUENCY FOR VARIOUS CL
FIGURE 22. GAIN vs FREQUENCY FOR VARIOUS CL
7
FN7330.1
EL5100, EL5101, EL5300 Typical Performance Curves (Continued)
5 NORMALIZED GAIN (dB) 3 2 1 0 -1 -2 -3 -4 -5 100K 1M 10M 100M 20pF 2.2pF NORMALIZED GAIN (dB) 4 AV=+5 RF=383 RL=150 72pF 50pF 38pF 5 4 3 2 1 0 -1 -2 -3 -4 -5 100K 1M 2.2pF 10M 100M 7.8pF AV=+2 RF=383 RL=150 CIN=0pF 50pF 44pF 38pF 26pF
FREQUENCY (Hz)
FREQUENCY (Hz)
FIGURE 23. GAIN vs FREQUENCY FOR VARIOUS CL
FIGURE 24. GAIN vs FREQUENCY FOR VARIOUS CL
1.8 POWER DISSIPATION (W) 1.6 1.4
JEDEC JESD51-7 HIGH EFFECTIVE THERMAL CONDUCTIVITY TEST BOARD 1.2 POWER DISSIPATION (W) 1
JEDEC JESD51-3 LOW EFFECTIVE THERMAL CONDUCTIVITY TEST BOARD
1.2 1.136W 1 1.116W 0.8 0.6 543mW 0.4 0.2 0 0
J
791mW 0.8 781mW 0.6 0.4 488mW 0.2 0
J SO
J
J
S A =1 O8 10 C /
QS
A =1
OP
58
W
16 C /W
23-5 A=230 /6 C/ W
SOT
QSOP16 JA=112C/W 75 85 100 125 150
23 A=25 -5/6 6C
T
/W
SO8 JA=160C/W
25
50
0
25
50
75 85 100
125
150
AMBIENT TEMPERATURE (C)
AMBIENT TEMPERATURE (C)
FIGURE 25. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE
FIGURE 26. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE
8
FN7330.1
EL5100, EL5101, EL5300
DIFFERENTIAL GAIN (%)
0.02 0.01 0.00 -0.01 -0.02 -0.03 0 10 20 30 40 IRE 50 60 70 80 90 100
FIGURE 27. DIFFERENTIAL GAIN (%)
DIFFERENTIAL PHASE ()
0.06 0.04 0.02 0.00 -0.02 -0.04 -0.06 0 10 20 30 40 IRE 50 60 70 80 90 100
FIGURE 28. DIFFERENTIAL PHASE ()
9
FN7330.1
EL5100, EL5101, EL5300 Application Information
Video Amplifier with Reduced Size Output Capacitance
If you have a video line driver Z = 75, the DC decoupling capacitor could be relatively large.
C=
f = 10Hz, R = Z = 75,
1 2 x R x f
= C = 132F
By using the circuit below, C could be reduced to C2 = 22F.
Vs+ C4 R8 1n 3R3 C5
22F
C6 R1 C1 33nF 7 U1 3 C R2 20K 2 EL5104 6 C2 22F R3 10k C3 1.5F R6 500 R5 R4 75 500 R7 75
20K
Z = 75
+ 4
FIGURE 29.
10 5 0 -5 GAIN (dB) -10 -15 -20 -25 -30 -35 -40 -45 1.00E+00 1.00E+02 1.00E+04 1.00E+06 1.00E+08 1.00E+01 1.00E+03 1.00E+05 1.00E+07 1.00E+09 FREQUENCY (Hz) Conditions/comments: (1) C1 = 1F Vs = +10V (2) C1 = 0.47F Vs = +10V (3) C1 = 0.47F Vs = +5V
with an 1/5 value, price and size output capacitor. There is another, very important issue by using high bandwidth amplifiers. In the past when the bandwidth of the operational amplifier ended at a few hundred kHz even at few MHz, the powersupply bypass was not a very critical issue, since a 0.1F capacitor "did the job", but today's amplifiers could have bandwidth, what used to be reserved for microwave circuits not to long time ago. Therefore that high bandwidth amplifiers require the same respect what we reserve for microwave circuits. Particularly the power supply bypass and the pcb-layout could very heavily influence the performance of a modern high bandwidth amplifiers. It could happen above a few MHz, but it will happen above 100MHz, that the capacitor will behave like an inductor.
FIGURE 30. VIDEO-
The test result is shown on Figure 30. By selecting a different value for C1, we could reduce the effect, created by C3 R3 and get flat response from 16Hz 10
FN7330.1
EL5100, EL5101, EL5300
The reason for that is the very small but not zero value serial inductance of the capacitor.
Z CAPACITIVE INDUCTIVE
Ci
Above its serial resonance C2* the ideal capacitance of C2 is a short, the Tantalum capacitor for high frequencies is not effective, the left over is C1 capacitor and L1 + L2 inductors, we get a parallel tank circuit, which is at it's resonance a high impedance path and do not carry any high frequency current, it does not work as bypass at all! The impedance of a parallel tank circuit at resonance is dependent from it's Q. High Q high impedance. The Q of a parallel tank circuit could be reduced by bypassing it with a resistor, or adding a resistor in serial to one of the reactive components. Since the bypassing would short the DC supply we do have to go to add resistor in serial to the reactive component, we will ad a resistor serial with the inductor. (See Figure 33.)
C3 Z C1 R3 = 0 L3 0.1F
Li
F F RES
FIGURE 31.
The capacitor will behave as a capacitor up to its resonance frequency, above the resonance frequency it will behave as an inductor. Just 1nHy inductance serial with 1nF capacitance will have serial resonance at: 1 F= 2 L x C C = 1nF, L = 1nHy, F = 159 MHz And an other 1nHy is very easy to get together with the inductance of traces on the pcb, and therefore you could encounter resonances from ca 50MHz and above anywhere. So if the amplifier has a bandwidth of a few hundred MHz, the proper power supply by-pass could become a serious if not difficult task. Intuitively, you would use capacitors value 0.1F parallel with a few F tantalum, and to cure the effect of it's serial resonance put a smaller one parallel to it. The result will surprise to you, because you will get even something worse than without the small capacitor. What is happening there? Just look what we get:
C1 C1 1n C2 C3 0.1F 22F 1n C2 C3 0.1F 22F
R3 = 3
R3 2 to 3 F F RES
FIGURE 33.
The final power supply bypass circuit will look:
Vs+ C1 R10 1n 3R3 C11 22F
C12 33nF
=
L1
<
L2
FIGURE 34.
FIGURE 32.
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation's quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software 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.
For information regarding Intersil Corporation and its products, see www.intersil.com 11
FN7330.1

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