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PDF EL2157 Data sheet ( Hoja de datos )
| Número de pieza | EL2157 | |
| Descripción | 125MHz Single Supply/ Clamping Op Amps | |
| Fabricantes | Intersil | |
| Logotipo |  |
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®
Data Sheet
EL2150, EL2157
March 12, 2004
FN7050.1
125MHz Single Supply, Clamping Op
Amps
The EL2150 and EL2157 are the
electronics industry's fastest single
supply op amps available. Prior single
supply op amps have generally been limited to bandwidths
and slew rates ¼ that of the EL2150 and EL2157. The
125MHz bandwidth, 275V/µs 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, these amplifiers 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 EL2150 and EL2157 will output ±100mA
and will operate with single supply voltages as low as 2.7V,
making them ideal for portable, low power applications.
The EL2157 has a high speed disable feature. Applying a
low logic level to this pin reduces the supply current to 0µA
within 50ns. This is useful for both multiplexing and reducing
power consumption.
The EL2157 also has an output voltage clamp feature. This
clamp is a fast recovery (<7ns) 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 require long times to recover if overdriven.
For applications where board space is critical the EL2150 is
available in the tiny 5-pin SOT-23 package, which has a
footprint 28% the size of an 8-pin SO. The EL2150 and
EL2157 are both available in an 8-pin SO package. All parts
operate over the industrial temperature range of -40°C to
+85°C. For dual, triple, or quad applications, contact the
factory.
Features
• Specified for 3V, 5V, or ±5V applications
• Power-down to 0µA (EL2157)
• Output voltage clamp (EL2157)
• Large input common mode range
0V < VCM < VS - 1.2V
• Output swings to ground without saturating
• -3dB bandwidth = 125MHz
• ±0.1dB bandwidth = 30MHz
• Low supply current = 5mA
• Slew rate = 275V/µs
• Low offset voltage = 2mV max (SO package)
• Output current = ±100mA
• High open loop gain = 80dB
• Diff gain/phase = 0.05%/0.05°
Applications
• Video amplifiers
• PCMCIA applications
• A/D drivers
• Line drivers
• Portable computers
• High speed communications
• RGB applications
• Broadcast equipment
• Active filtering
Ordering Information
PART NUMBER PACKAGE TAPE & REEL PKG. DWG. #
EL2150CS
8-Pin SO
- MDP0027
EL2150CS-T7
8-Pin SO
7” MDP0027
EL2150CS-T13 8-Pin SO
13” MDP0027
EL2150CW-T7 5-Pin SOT-23 7” (3K pcs)
MDP0038
EL2150CW-T7A 5-Pin SOT-23 7” (250 pcs) MDP0038
EL2157CS
8-Pin SO
- MDP0027
EL2157CS-T7
8-Pin SO
7” MDP0027
EL2157CS-T13 8-Pin SO
13” MDP0027
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 © 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.
1 page  
EL2150, EL2157
Closed Loop AC Electrical Specifications VS = +5V, GND = 0V, TA = 25°C, VCM = +1.5V, VOUT = +1.5V, VCLAMP = +5V,
VENABLE = +5V, AV = +1, RF = 0Ω, RL = 150Ω to GND pin, unless otherwise specified.
(Notes 1 and 2)
PARAMETER
DESCRIPTION
CONDITIONS
MIN TYP MAX UNIT
BW
BW
GBWP
PM
SR
tR,tF
OS
-3dB Bandwidth (VOUT = 400mVP-P) VS = 5V, AV = 1, RF = 0Ω
VS = 5V, AV = -1, RF = 500Ω
VS = 5V, AV = 2, RF = 500Ω
VS = 5V, AV = 10, RF = 500Ω
VS = 12V, AV = 1, RF = 0Ω
VS = 3V, AV = 1, RF = 0Ω
±0.1dB Bandwidth (VOUT = 400mVP-P) VS = 12V, AV = 1, RF = 0Ω
VS = 5V, AV = 1, RF = 0Ω
VS = 3V, AV = 1, RF = 0Ω
Gain Bandwidth Product
VS = 12V, @ AV = 10
Phase Margin
RL = 1kΩ, CL = 6 pF
Slew Rate
VS = 10V, RL = 150Ω, VOUT = 0V to 6V
VS = 5V, RL = 150Ω, VOUT = 0V to 3V
Rise Time, Fall Time
±0.1V step
Overshoot
±0.1V step
200
125
60
60
6
150
100
25
30
20
60
55
275
300
2.8
10
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
°
V/µs
V/µs
ns
%
tPD Propagation Delay
tS 0.1% Settling Time
0.01% Settling Time
dG Differential Gain (Note 3)
dP Differential Phase (Note 3)
eN Input Noise Voltage
iN Input Noise Current
tDIS Disable Time (Note 4)
tEN Enable Time (Note 4)
tCL Clamp Overload Recovery
±0.1V step
VS = ±5V, RL = 500Ω, AV = 1, VOUT = ±3V
VS = ±5V, RL = 500Ω, AV = 1, VOUT = ±3V
AV = 2, RF = 1kΩ
AV = 2, RF = 1kΩ
f = 10kHz
f = 10kHz
3.2
40
75
0.05
0.05
48
1.25
50
25
7
ns
ns
ns
%
°
nV/√Hz
pA/√Hz
ns
ns
ns
NOTES:
1. CLAMP pin and ENABLE pin specifications apply only to the EL2157.
2. All AC tests are performed on a “warmed up” part, except slew rate, which is pulse tested.
3. Standard NTSC signal = 286mVP-P, f = 3.58MHz, as VIN is swept from 0.6V to 1.314V.RL is DC coupled.
4. 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.
5
5 Page 
EL2150, EL2157
Typical Performance Curves (Continued)
Clamp Accuracy
RL = 150Ω
Clamp Accuracy
RL = 1kΩ
Clamp Accuracy
RL = 10kΩ
Enable Response for a
Family of DC Inputs
Disable Response for a
Family of DC Inputs
Disable/Enable Response for a
Family of Sine Waves
OFF Isolation
11
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet EL2157.PDF ] | |
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