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Part: EL5308
Category:
Analog & Mixed-Signal Processing
-> Amplifiers
-> Operational Amplifiers
-> General Purpose
Description: Triple, 450MHz, Fixed Gain Amplifier With Enable
Company: Intersil Corporation
Datasheet: Download EL5308 datasheet File size : 246 kB
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Datasheet text preview:
®
EL5108, EL5308
D a ta Sheet J ul y 8, 2004 FN7358.3
450MHz Fixed Gain Amplifiers with Enable
The EL5108 and EL5308 are fixed gain amplifiers with a bandwidth of 450MHz. This makes these amplifiers ideal for today's high speed video and monitor applications. They feature internal gain-setting resistors and can be configured in a gain of +1, -1 or +2. The same bandwidth is seen in both gain-of-1 and gain-of-2 applications. The EL5108 and EL5308 also incorporate an enable and disable function to reduce the supply current to 25µA typical per amplifier. Allowing the CE pin to float or applying a low logic level will enable the amplifier. The EL5108 is offered in the 6-pin SOT-23 and the industrystandard 8-pin SO packages and the EL5308 is available in the 16-pin SO and 16-pin QSOP packages. All operate over the industrial temperature range of -40°C to +85°C.
Features
· Gain selectable (+1, -1, +2) · 450MHz -3dB BW (AV = -1, +1, +2) · 3.5mA supply current per amplifier · Single and dual supply operation, from 5V to 12V · Available in SOT-23 packages · 350MHz, 1.5mA product available (EL5106 & EL5306)
Applications
· Battery powered equipment · Handheld, portable devices · Video amplifiers · Cable drivers · RGB amplifiers
Ordering Information
PART NUMBER EL5108IW-T7 EL5108IW-T7A EL5108IS EL5108IS-T7 EL5108IS-T13 EL5308I S EL5308IS-T7 EL5308IS-T13 EL5308I U EL5308I U-T 7 E L 5 3 0 8 I U - T 13 PACKAGE 6-Pin SOT-23 6-Pin SOT-23 8-Pin SO 8-Pin SO 8-Pin SO 16-Pin SO (0.150") 16-Pin SO (0.150") 16-Pin SO (0.150") 16-Pin QSOP 16-Pin QSOP 16-Pin QSOP TAPE & REEL 7" (3K pcs) 7" (250 pcs) 7" 13" 7" 13" 7" 13" PKG. DWG. # MDP0038 MDP0038 MDP0027 MDP0027 MDP0027 MDP0027 M DP0027 MDP0027 M DP0040 MDP0040 MDP0040
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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 © Intersil Americas Inc. 2002-2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc. All other trademarks mentioned are the property of their respective owners.
EL5108, EL5308 Pinouts
EL5108 (8-PIN SO) TOP VIEW
NC 1 IN- 2 IN+ 3 VS- 4 + 8 CE 7 VS+ 6 OUT 5 NC
EL5308 (16-PIN SO, QSOP) TOP VIEW
INA+ 1 CEA 2 VS- 3 CEB 4 INB+ 5 + + 16 INA15 OUTA 14 VS+ 13 OUTB 12 INB11 NC + 10 OUTC 9 INC-
EL5108 (6-PIN SOT-23) TOP VIEW
OUT 1 VS- 2 IN+ 3 +6 VS+ 5 CE 4 IN-
NC 6 CEC 7 INC+ 8
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EL5108, EL5308
Absolute Maximum Ratings (TA = 25°C)
Supply Voltage between VS+ and VS- . . . . . . . . . . . . . . . . . . . 13.2V Maximum Continuous Output Current . . . . . . . . . . . . . . . . . . . 50mA Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 125°C Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves Pin Voltages. . . . . . . . . . . . . . . . . . . . . . . . . VS- -0.5V to VS+ +0.5V Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
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
Electrical Specifications
PARAMETER AC PERFORMANCE BW -3dB Bandwidth
VS+ = +5V, VS- = -5V, RL = 150, TA = 25°C unless otherwise specified. C OND I TIONS M IN T YP M AX UNIT
DESCR I PT ION
AV = +1 AV = -1 AV = +2
440 445 450 40 3500 4500 10 2
MHz MHz MHz MHz V/µs ns nV/Hz pA/Hz % °
BW1 SR tS eN iN dG dP
0.1dB Bandwidth Slew Rate 0.1% Settling Time Input Voltage Noise Input Current Noise Differential Gain Error (Note 1) Differential Phase Error (Note 1)
AV = +2 VO = -2.5V to +2.5V, AV = +2 VOUT = -2.5V to +2.5V, AV = +2
f = 2kHz AV = +2 AV = +2
12 0. 0 1 0. 0 1
DC PERFORMANCE VOS TCVOS AE RF, RG Offset Voltage Input Offset Voltage Temperature Coefficient Gain Error Internal RF and RG Measured from TMIN to TMAX VO = -3V to +3V, RL = 150 -8 +3 5 0.7 325 2. 5 +8 mV µV/°C %
INPUT CHARACTERISTICS CMIR +IIN RIN CIN Common Mode Input Range + Input Current Input Resistance Input Capacitance at IN+ ±3 ±3.3 2 0. 7 1 8 V µA M pF
OUTPUT CHARACTERISTICS VO Output Voltage Swing RL = 150 to GND RL = 1k to GND IOUT SUPPLY ISON ISOFF PSRR Supply Current - Enabled (per amplifier) No load, VIN = 0V 3.1 8 3.7 9 75 4. 3 5 25 mA µA dB Output Current RL = 10 to GND ±3.6 ±3.8 100 ±3.8 ±4.0 135 V V mA
Supply Current - Disabled (per amplifier) No load, VIN = 0V Power Supply Rejection Ratio DC, VS = ±4.75V to ±5.25V
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EL5108, EL5308
Electrical Specifications
PARAMETER ENABL E tEN tDIS IIHCE IILCE VIHCE VILCE NOTES: 1. Standard NTSC test, AC signal amplitude = 286mVP-P, f = 3.58MHz 2. Measured from the application of the CE logic signal until the output voltage is at the 50% point between initial and final values Enable Time Disable Time (Note 2) CE Pin Input High Current CE Pin Input Low Current CE Input High Voltage for Power-down CE Input Low Voltage for Enable CE = VS+ CE = VS-1 +1 VS+ -1 VS+ -3 280 560 5 25 -1 ns ns µA µA V V VS+ = +5V, VS- = -5V, RL = 150, TA = 25°C unless otherwise specified. (Continued) C OND I TIONS M IN T YP M AX UNIT
DESCR I PT ION
Pin Descriptions
EL51 08 (SO8) 1, 5 2 4 EL5108 (SOT23-6) EL5 308 (SO16, QSOP16) 6, 11 9, 12, 16 PIN NAME NC IN FUNCTION Not connected Inverting input EQUIVALENT CIRCUIT
IN+
RG RF
IN-
CIRCUIT 1
3 4 6
3 2 1
1, 5, 8 3 10, 13, 15
I N+ VSOUT
Non-inverting input Negative supply O utput
(Reference Circuit 1)
OUT RF
CIRCUIT 2
7 8
6 5
14 2, 4, 7
VS+ CE
Positive supply Chip enable
VS+
CE
VSCIRCUIT 3
4
EL5108, EL5308 Typical Performance Curves
5 NORMALIZED GAIN (dB)
VS=±5V VIN=200mVP-P 3 RL=150 PHASE (°) AV = -1
135
45
VS=±5V VIN=200VP-P RL=150 AV = -1
1 AV = 2
-45
-1
-135 AV = 2 AV = 1
AV = 1 -3 -225
-5 100K
1M
10M FREQUENCY (Hz)
100M
1G
-315 100K
1M
10M FREQUENCY (Hz)
100M
1G
FIGURE 1. FREQUENCY RESPONSE
FIGURE 2. PHASE RESPONSE
11
9 GAIN (dB)
VS=±5V AV=2 RL=150 VOP-P = 400mV
11 VS=±5V AV=2 9 GAIN (dB) RL = 500 RL = 150
7
7
5
VOP-P = 2V
5
RL = 100 RL = 50
3
3
1 100K
1M
10M FREQUENCY (Hz)
100M
1G
1 100K
1M
10M FREQUENCY (Hz)
100M
1G
FIGURE 3. FREQUENCY RESPONSE vs OUTPUT VOLTAGE
FIGURE 4. FREQUENCY RESPONSE vs RL
11
9 GAIN (dB)
VS=±5V AV=2 RL=150
1.2 CL = 6.8pF CL = 4.7pF DELAY (ns) 1 0.8 0.6 0.4 0.2
VS=±5V RL=150
AV = -1 AV = 1
7 CL = 2.2pF CL = 0pF 3
AV = 2
5
1 100K
1M
10M FREQUENCY (Hz)
100M
1G
0 100K
1M
10M FREQUENCY (Hz)
100M
1G
FIGURE 5. FREQUENCY RESPONSE FOR VARIOUS CL
FIGURE 6. GROUP DELAY vs FREQUENCY
5
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