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參數(shù)資料
| 型號： | EL2257CN |
| 廠商： | ELANTEC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 125MHz Single Supply, Clamping Op Amp |
| 中文描述： | 2 CHANNEL, VIDEO AMPLIFIER, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 646K |
| 代理商： | EL2257CN |
1
FN7063
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.
EL2257
125MHz Single Supply, Clamping Op Amp
The EL2257 is a single supply op amp.
Prior single supply op amps have
generally been limited to bandwidths
and slew rates one-fourth of that of the EL2257. 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, 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 EL2257 will output ±100mA and will
operate with single supply voltages as low as 2.7V, making
them ideal for portable, low power applications.
The EL2257 has a high speed disable feature. Applying a
low logic level to all ENABLE pins reduces the supply current
to 0μA within 50ns. Each amplifier has its own ENABLE pin.
This is useful for both multiplexing and reducing power
consumption.
The EL2257 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.
The EL2257 is available in 14-pin SO (0.150") and 14-pin
PDIP packages and operates over the industrial temperature
range of -40°C to +85°C. For single amplifier applications,
see the EL2150 and EL2157. For space-saving, industry-
standard pinout dual and quad applications, see the EL2250
and EL2450.
Features
Specified for +3V, +5V, or ± 5V applications
Power-down to 0μA
Output voltage clamp
Large input common-mode range 0V < V
CM
< V
S
- 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 = 4mV max
Output current = ±100mA
High open loop gain = 80dB
Differential gain = 0.05%
Differential phase = 0.05°
Applications
Video amplifiers
PCMCIA applications
A/D drivers
Line drivers
Portable computers
High speed communications
RGB printer, fax, scanner applications
Broadcast equipment
Active filtering
Multiplexing
Pinout
EL2257
[14-PIN SO (0.150”), PDIP]
TOP VIEW
Ordering Information
PART NUMBER
PACKAGE
TAPE &
REEL
PKG. NO.
EL2257CS
14-Pin SO (0.150")
-
MDP0027
EL2257CS-T7
14-Pin SO (0.150")
7”
MDP0027
EL2257CS-T13
14-Pin SO (0.150")
13”
MDP0027
EL2257CN
14-Pin PDIP
-
MDP0031
1
2
3
4
14
13
12
11
5
6
7
10
9
8
-
+
-
+
INA+
CLAMPA
ENABLEA
GND
ENABLEB
CLAMPB
INB+
INA-
OUTA
NC
VS+
NC
OUTB
INB-
Data Sheet
February 28, 2002
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EL2257CS | 125MHz Single Supply, Clamping Op Amp |
| EL2257CS-T13 | 125MHz Single Supply, Clamping Op Amp |
| EL2257CS-T7 | 125MHz Single Supply, Clamping Op Amp |
| EL2260CN | Dual/Quad 130MHz Current Feedback Amplifiers |
| EL2260CS | Dual/Quad 130MHz Current Feedback Amplifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EL2257CN-02 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
| EL2257CS | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:125MHz Single Supply, Clamping Op Amp |
| EL2257CS-02 | 制造商:Intersil Corporation 功能描述: |
| EL2257CS-T13 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:125MHz Single Supply, Clamping Op Amp |
| EL2257CS-T7 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:125MHz Single Supply, Clamping Op Amp |
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