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Part: EL2170CS
Category:
Description: op Amp, 70MHz, 1mA Low Power, Current Feedback, 100mA Drive
Company: Intersil Corporation
Datasheet: Download EL2170CS datasheet File size : 7 kB
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EL2170, EL2270, EL2470
D a ta Sheet N ov em be r 13, 2002 FN7053
70MHz/1mA Current Mode Feedback Amplifiers
The EL2170, EL2270, and EL2470 are single/dual/quad current-feedback operational amplifiers which achieve a -3dB bandwidth of 70MHz at a gain of +1 while consuming only 1mA of supply current per amplifier. They will operate with dual supplies ranging from ±1.5V to ±6V, or from single supplies ranging from +3V to +12V. In spite of their low supply current, the EL2270 and the EL2470 can output 55mA while swinging to ±4V on ±5V supplies. The EL2170 can output 100mA with similar output swings. These attributes make the EL2170, EL2270, and EL2470 excellent choices for low power and/or low voltage cable-driver, HDSL, or RGB applications. For applications where board space is extremely critical, the EL2170 is available in the tiny 5-pin SOT-23 package, which has a footprint 28% the size of an 8-pin SO. The EL2170, EL2270, and EL2470 are each also available in industry standard pinouts in PDIP and SO packages. For single and dual applications with disable, consider the EL2176 (8-pin single) or EL2276 (14-pin dual). For higher speed applications where power is still a concern, consider the EL2180/EL2186 family which also comes in similar single, dual, triple and quad configurations. The EL2180/EL2186 family provides a -3dB bandwidth of 250MHz while consuming 3mA of supply current per amplifier.
Features
· Single (EL2170), dual (EL2270) & quad (EL2470) topologies · 1mA supply current (per amplifier) · 70MHz -3dB bandwidth · Tiny SOT23-5 package (EL2170) · Low cost · Single- and dual-supply operation down to ±1.5V · 0.15%/0.15° diff. gain/diff. phase into 150 · 800V/µs slew rate · Large output drive current - 100mA (EL2170), 55mA (EL2270), 55mA (EL2470) · Also available with disable in single (EL2176) & dual (EL2276) · Higher speed EL2180/EL2186 family available (3mA/250MHz) in single, dual, and quad
Applications
· Low power/battery applications · HDSL amplifiers · Video amplifiers · Cable drivers · RGB amplifiers · Test equipment amplifiers · Current to voltage converters
Ordering Information
PAR T NUMBER EL217 0CN EL217 0CS EL217 0CS-T 7 E L 2 1 7 0 C S - T 13 EL217 0CW-T7 EL217 0CW-T3 EL227 0CN EL227 0CS EL227 0CS-T 7 E L 2 2 7 0 C S - T 13 EL247 0CN EL247 0CS EL247 0CS-T 7 E L 2 4 7 0 C S - T 13 PACKA GE 8-Pin PDIP 8-Pin SO 8-Pin SO 8-Pin SO 5-Pin SOT-23* 5-Pin SOT-23* 8-Pin PDIP 8-Pin SO 8-Pin SO 8-Pin SO 14-Pin PDIP 14-Pin SO 14-Pin SO 14-Pin SO TAPE & REEL 7" 13" 7" 13" 7" 13" 7" 13" PKG. NO. M DP0031 M DP0027 MDP0027 MDP0027 MDP0038 MDP0038 M DP0031 M DP0027 MDP0027 MDP0027 M DP0031 M DP0027 MDP0027 MDP0027
NOTE: *EL2170CW symbol is .Bxxx where xxx represents date
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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. 2003. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc. All other trademarks mentioned are the property of their respective owners.
EL2170, EL2270, EL2470 Pinouts
EL2170 (8-PIN SO, PDIP) TOP VIEW EL2270 (8-PIN SO, PDIP) TOP VIEW
EL2170 (5-PIN SOT-23) TOP VIEW
EL2470 (14-PIN SO, PDIP) TOP VIEW
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EL2170, EL2270, EL2470
Absolute Maximum Ratings (TA = 25°C)
Voltage between VS+ and VS- . . . . . . . . . . . . . . . . . . . . . . . . +12.6V Common-Mode Input Voltage . . . . . . . . . . . . . . . . . . . . . VS- to VS+ Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±6V Current into +IN or -IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±7.5mA Internal Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . See Curves Operating Ambient Temperature Range . . . . . . . . . .-40°C to +85°C Operating Junction Temperature Plastic Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C Output Current (EL2170) . . . . . . . . . . . . . . . . . . . . . . . . . . . ±120mA Output Current (EL2270) . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±60mA Output Current (EL2470) . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±60mA Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°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
DC Electrical Specifications
PARAMETER VOS TCVOS dVOS +IIN d+IIN -IIN d-IIN CMRR -ICMR PSRR -IPSR ROL +RIN +CIN CMIR VO
VS = ±5V, RL = 150, TA = 25°C unless otherwise specified. CONDITIONS MIN T YP 2.5 Measured from TMIN to TMAX EL2270, EL2470 only 5 0. 5 0.5 EL2270, EL2470 only 20 4 EL2270, EL2470 only VCM = ±3.5V VCM = ±3.5V VS is moved from ±4V to ±6V VS is moved from ±4V to ±6V VOUT = ±2.5V VCM = ±3.5V 150 1 60 45 1. 5 50 4 70 0. 5 400 4 1.2 ±3.5 VS = ±5 VS = 5 single-supply, high VS = 5 single-supply, low ±3.5 ±4.0 ±4.0 4.0 0. 3 80 50 50 100 55 55 1 2 5 10 15 5 MA X 15 U NIT mV µV/°C mV µA nA µA µA dB µA/V dB µA/V k M pF V V V V mA mA mA mA
DESCRIPTION Input Offset Voltage Average Input Offset Voltage Drift VOS Matching +Input Current +IIN Matching -Input Current -IIN Matching Common Mode Rejection Ratio -Input Current Common Mode Rejection Power Supply Rejection Ratio -Input Current Power Supply Rejection Transimpedance +Input Resistance +Input Capacitance Common Mode Input Range Output Voltage Swing
IO
Output Current
EL2170 only EL2270 only, per amplifier EL2470 only, per amplifier
IS
Supply Current
Per amplifier VS = ±5V, RF = RG = 1k, RL = 150, TA = 25°C unless otherwise specified CONDITIONS AV = 1 AV = 2 VOUT = ±2.5V, AV = 2 VOUT = ±500mV 400 M IN
AC Electrical Specifications
PARAMETER -3dB BW -3dB BW SR tR, tF
DESCRIPTION -3dB Bandwidth -3dB Bandwidth Slew Rate Rise and Fall Time
TYP 70 60 8 00 4.5
M AX
UNIT MHz MHz V /µs ns
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EL2170, EL2270, EL2470
AC Electrical Specifications
PARA METER tPD OS tS dG dP dG dP CS NOTE: 1. DC offset from 0V to 0.714V, AC amplitude 286mVP-P, f = 3.58MHz. VS = ±5V, RF = RG = 1k, RL = 150, TA = 25°C unless otherwise specified (Continued) CONDITIONS VOUT = ±500mV VOUT = ±500mV VOUT = ±2.5V, AV = -1 AV = 2, RL = 150 (Note 1) AV = 2, RL = 150 (Note 1) AV = 1, RL = 500 (Note 1) AV = 1, RL = 500 (Note 1) EL2270, EL2470 only, f = 5MHz M IN TYP 4.5 3.0 40 0.15 0.15 0.02 0.01 85 M AX UNIT ns % ns % ° % ° dB
DESCRIPTION Propagation Delay Overshoot 0.1% Settling Differential Gain Differential Phase Differential Gain Differential Phase Channel Separation
Test Circuit (per Amplifier)
Simplified Schematic (per Amplifier)
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EL2170, EL2270, EL2470 Typical Performance Curves
Non-Inverting Frequency Response (Gain) Non-Inverting Frequency Response (Phase) Frequency Response for Various RF and RG
Inverting Frequency Response (Gain)
Inverting Frequency Response (Phase)
Frequency Response for Various RL and CL
Transimpedance (ROL)
PSRR and CMRR
Frequency Response for Various CIN-
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