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Part: EL2150CW
Category:
Analog & Mixed-Signal Processing
-> Amplifiers
Description: 125MHz Single Supply, Clamping op Amp
Company: Elantec Semiconductor, Inc. (acquired by Intersil)
Datasheet: Download EL2150CW datasheet File size : 7 kB
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Datasheet text preview:
EL2150C EL2157C
EL2150C EL2157C
125 MHz Single Supply Clamping Op Amps
Features
Specified for a 3V a 5V or g 5V Applications Power Down to 0 mA (EL2157C) Output Voltage Clamp (EL2157C) Large Input Comon Mode Range 0V k VCM k Vs - 1 2V Output Swings to Ground Without Saturating b 3 dB Bandwidth e 125 MHz g 0 1 dB Bandwidth e 30 MHz Low Supply Current e 5 mA Slew Rate e 275V ms Low Offset Voltage e 2 mV max (PDIP and SO Packages) Output Current e g 100 mA High Open Loop Gain e 80 dB Differential Gain e 0 05% D A ifferential Phase e 0 05
eneral Description
The EL2150C EL2157C are the electronics industry's fastest single supply op amps available Prior single supply op amps t have generally been limited to bandwidths and slew rates 2hat of the EL2150C EL2157C The 125 MHz bandwidth 75 V ms slew rate and 0 05% 0 05 differential gain differential phase makes this part ideal for single or dual supply video speed applications With its voltage feedback architecture this amplifier can accept reactive feedback networks allowing them to be used in analog filtering applications The inputs can sense signals below the bottom supply rail and as high as 1 2V below the top rail Connecting the load resistor to ground and operating from a single supply the outputs swing completely to ground without saturating The outputs can also drive to within 1 2V of the top rail The EL2150C EL2157C will output g 100 mA and will operate with single supply voltages as low as 2 7V T making it ideal for portable low power applications he EL2157C has a high speed disable feature Applying a low logic level to this pin reduces the supply current to 0 mA within 50 ns This is useful for both multiplexing and reducing power T consumption he EL2157C also has an output voltage clamp feature This clamp is a fast recovery ( k 7 ns) output clamp that prevents the output voltage from going above the preset clamp voltage This feature is desirable for A D applications as A D converters can F require long times to recover if overdriven or applications where board space is critical the EL2150C is available in the tiny 5 lead SOT23 package which has a footprint 28% the size of an 8 lead SOIC The EL2150C EL2157C A are also both available in 8 pin plastic DIP and SOIC packages ll parts operate over the industrial temperature range of b 40 C to a 85 C For dual triple or quad applications contact the factory C
pplications
Video Amplifier PCMCIA Applications A D Driver Line Driver Portable Computers High Speed Communications RGB Applications Broadcast Equipment Active Filtering
Ordering Information
E art No P
Temp Range
Package
Outline MDP0031 MDP0027 MDP0038 MDP0031 MDP0027
onnection Diagrams
EL2150C SO P-DIP EL2157C SO P-DIP EL2150C SOT23-5
L2150CN b 40 C to a 85 C 8 Pin PDIP EL2150CS b 40 C to a 85 C 8 Pin SOIC EL2150CW b 40 C to a 85 C 5 Pin SOT23 EL2157CN b 40 C to a 85 C 8 Pin PDIP EL2157CS b 40 C to a 85 C 8 Pin SOIC
June 1996 Rev B
See Ordering databook
Information
section
of G
2150 1 2150 2 2150 3
Top View
Top View
Top View
Note All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication however this data sheet cannot be a ``controlled document'' Current revisions if any to these spe1ifications are maintained at the factory and are available upon your request We recommend checking the revision level before finalization of your design documentation c
995 Elantec Inc
EL2150C EL2157C
125 MHz Single Supply Clamping Op Amps
Absolute Maximum Ratings (TA e 25 C)
a 12 6V Supply Voltage between VS a and GND InEut Voltage (IN a INb p NABLE CLAMP) GNDb0 3V VS a 0 3V g 6V Differential Input Voltage Maximum Output Current 90 mA Output Short Circuit Duration (note 1)
Power Dissipation Storage Temperature Range Ambient Operating Temperature Range Operating Junction Temperature
See Curves
b 65 C to a 150 b 40 C to a 85
C C 150 C
A Important Note ll parameters having Min Max specifications are guaranteed The Test Level column indicates the specific device testing actually performed during production and Quality inspection Elantec performs most electrical tests using modern high-speed automatic test equipment specifically the LTX77 Series system Unless otherwise noted all tests are pulsed tests therefore TJ e TC e TA T est Level I I I I III V V D Test Procedure 100% production tested and QA sample tested per QA test plan QCX0002 100% production tested at TA e 25 C and QA sample tested at TA e 25 C T MAX and TMIN per QA test plan QCX0002 QA sample tested per QA test plan QCX0002 Parameter is guaranteed (but not tested) by Design and Characterization Data Parameter is typical value at TA e 25 C for information purposes only
TAB WIDE
C Electrical Characteristics
(Note 2) VS e a 5V GND e 0V TA e 25 C VCM e 1 5V VOUT e 1 5V VCLAMP e a 5V VENABLE e a 5V unless otherwise specified P arameter VOS Offset Voltage Description Conditions PDIP and SOIC Packages SOT23-5 Package TCVOS IB IOS TCIOS PSRR CMRR Offset Voltage Temperature Coefficient Input Bias Current Input Offset Current Measured from Tmin to Tmax VIN e 0V VIN e 0V Min Typ Max
b2 b3
Test Units Level I I V I I V I I I mV mV mV C mA nA nA C dB dB dB V MX pF pF mX mA TD is 3 8in mA mA v
2 3 10
b 5 5 b 10
b 750 150
750
Input Bias Current Temperature Coefficient Measured from Tmin to Tmax Power Supply Rejection Ratio Common Mode Rejection Ratio VS e VENABLE e a 2 7V to a 12V VCLAMP e OPEN VCM e 0V to a 3 8V VCM e 0V to a 3 0V 55 55 55 0 Common Mode SOIC Package PDIP Package 1
50 70 65 70 VSb1 2 2 1 15 40 5 0 5 27 12 0 65 50
CMIR RIN CIN
Common Mode Input Range Input Resistance Input Capacitance
I I V V V I I V I
ROUT IS ON IS OFF
Output Resistance Supply Current Enabled Supply Current Shut Down
Av e a 1 VS e VCLAMP e a 12V VENABLE e a 12V VS e VCLAMP e a 10V VENABLE e a 0 5V VS e VCLAMP e a 12V VENABLE e a 0 5V
PSOR
Power Supply Operating Range
2
EL2150C EL2157C
125 MHz Single Supply Clamping Op Amps
DC Electrical Characteristics
Contd
(Note 2) VS e a 5V GND e 0V TA e 25 C VCM e a 1 5V VOUT e a 1 5V VCLAMP e a 5V VENABLE e a 5V unless otherwise specified Parameter PSOR AVOL Description Power Supply Operating Range Open Loop Gain VS e VCLAMP e a 12V VOUT e a 2V to a 9V RL e 1 kX to GND VOUT e a 1 5V to a 3 5V RL e 1 kX to GND VOUT e a 1 5V to a 3 5V RL e 150X to GND VOP Positive Output Voltage Swing VS e a 12V AV e a 1 RL e 1 kX to 0V VS e a 12V AV e a 1 RL e 150X to 0V VS e g 5V AV e a 1 RL e 1 kX to 0V VS e g 5V AV e a 1 RL e 150X to 0V VS e a 3V AV e a 1 RL e 150X to 0V VON Negative Output Voltage Swing VS e a 12V AV e a 1 RL e 150X to 0V VS e g 5V AV e a 1 RL e 1 kX to 0V VS e g 5V AV e a 1 RL e 150X to 0V IOUT Output Current (Note 1) VS e g 5V AV e a 1 RL e 10X to 0V VS e g 5V AV e a 1 RL e 50X to 0V IOUT OFF VIH-EN VIL-EN IIH-EN IIL-EN VOR-CL VACC-CL IIH-CL IIL-CL Output Current Disabled ENABLE pin Voltage for Power Up ENABLE pin Voltage for Shut Down VENABLE e a 0 5V Relative to GND pin Relative to GND pin 340 0 12
b 250 100
Conditions
Min Typ Max 27 65 80 70 60 10 8 96 10 0 40 34 18 38 1 95 55
b4 0 b3 7 b3 4
g 75 g 100 g 60
Test Units Level I I V V V I V I I V dB dB dB V V V V V mV V V mA mA mA V V mA mA V mV mA mA TD is 5 2in
12 0
8
I V I I V
0 20
20
I I
05 410 1 VOP 250 25
I I I I I I I
ENABLE pin Input Current-High (Note 3) VS e VCLAMP e a 12V VENABLE e a 12V ENABLE pin Input Current-Low (Note 3) VS e VCLAMP e a 12V VENABLE e a 0 5V Voltage Clamp Operating Range (Note 4) CLAMP Accuracy (Note 5) CLAMP pin Input Current High CLAMP pin Input Current Low Relative to GND pin VIN e a 4V RL e 1 kX to GND VCLAMP e a 1 5V and a 3 5V VS e VCLAMP e a 12V VS e a 12V VCLAMP e a 1 2V
12
b 20 b 15
3
EL2150C EL2157C
125 MHz Single Supply Clamping Op Amps
Closed Loop AC Electrical Characteristics
R otes 2 (N 6) VS e a 5V GND e 0V TA e 25 C VCM e a 1 5V VOUT e a 1 5V VCLAMP e a 5V VENABLE e a 5V AV e a 1 F e 0X RL e 150X to GND pin unless otherwise specified Parameter BW Description
b 3 dB Bandwidth (VOUT e 400 mVp-p)
Conditions VS e a 5V AV e a 1 RF e 0X VS e a 5V AV e b1 RF e 500X VS e a 5V AV e a 2 RF e 500X VS e a 5V AV e a 10 RF e 500X VS e a 12V AV e a 1 RF e 0X VS e a 3V AV e a 1 RF e 0X
Min Typ Max 125 60 60 6 150 100 25 30 20 60 55 200 275 300 28 10 32 40 75 0 05 0 05 48 1 25 50 25 7
Test Units Level V V V V V V V V V V V I V V V V V V V V V V V V V nV0Hz pA0Hz TD is 5 1in ns ns ns V ms V ms ns % ns ns ns % MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz
BW
g 0 1 dB Bandwidth (VOUT e 400 mVp-p) VS e a 12V AV e a 1 RF e 0X
VS e a 5V AV e a 1 RF e 0X VS e a 3V AV e a 1 RF e 0X GBWP PM S R Gain Bandwidth Product Phase Margin Slew Rate VS e a 12V AV e a 10
RL e 1 kX CL e 6 pF VS e a 10V RL e 150X Vout e 0V to a 6V VS e a 5V RL e 150X VOUT e 0V to a 3V
tR tF OS tPD tS
Rise Time Fall Time Overshoot Propagation Delay 0 1% Settling Time 0 01% Settling Time
g 0 1V step g 0 1V step g 0 1V step
VS e g 5V RL e 500X AV e a 1 VOUT e g 3V VS e g 5V RL e 500X AV e a 1 VOUT e g 3V AV e a 2 RF e 1 kX AV e a 2 RF e 1 kX f e 10 kHz f e 10 kHz
dG dP e
N
Differential Gain (Note 7) Differential Phase (Note 7) Input Noise Voltage Input Noise Current Disable Time (Note 8) Enable Time (Note 8) Clamp Overload Recovery 1 2 3 4
iN tDIS tEN tCL Note Note Note ote N Note Note Note ote
5 6 7 8
Internal short circuit protection circuitry has been built into the EL2150C EL2157C See the Applications section CLAMP pin and ENABLE pin specifications apply only to the EL2157C If the disable feature is not desired tie the ENABLE pin to the VS pin or apply a logic high level to the ENABLE pin The maximum output voltage that can be clamped is limited to the maximum positive output Voltage or VOP Applying a o oltage higher than VOP inactivates the clamp If the clamp feature is not desired either tie the CLAMP pin to the VS pin V r simply let the CLAMP pin float The clamp accuracy is affected by VIN and RL See the Typical Curves Section and the Clamp Accuracy vs VIN RL curve All AC tests are performed on a ``warmed up'' part except slew rate which is pulse tested Standard NTSC signal e 286 mVp-p f e 3 58MHz as VIN is swept from 0 6V to 1 314V RL is DC coupled Disable Enable time is defined as the time from when the logic signal is applied to the ENABLE pin to when the supply current has reached half its final value 4
EL2150C EL2157C
125 MHz Single Supply Clamping Op Amps
Typical Performance Curves
Non-Inverting Frequency Response (Gain) Non-Inverting Frequency Response (Phase) 3 dB Bandwidth vs Temperature for Non-Inverting Gains
Inverting Frequency Response (Gain)
Inverting Frequency Response (Phase)
3 dB Bandwidth vs Temperature for Inverting Gains
Frequency Response for Various RL
Frequency Response for Various CL
Non-Inverting Frequency Response vs Common Mode Voltage
2150 74
5
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