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EL2357CS 데이터시트 PDF




Elantec Semiconductor에서 제조한 전자 부품 EL2357CS은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 EL2357CS 기능
기능 125 MHz Single Supply/ Clamping Op Amps
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EL2357CS 데이터시트, 핀배열, 회로
EL2257C/EL2357C
125 MHz Single Supply, Clamping Op Amps
Features
• Specified for +3V, +5V, or ± 5V
Applications
• Power Down to 0 µA
• Output Voltage Clamp
• Large Input Common Mode Range
0V < VCM < VS - 1.2V
• Output Swings to Ground Without
Saturating
• -3 dB Bandwidth = 125 MHz
• ± 0.1 dB Bandwidth = 30 MHz
• Low Supply Current = 5 mA
• Slew Rate = 275 V/µs
• Low Offset Voltage = 4 mV max
• Output Current = ±100 mA
• High Open Loop Gain = 80 dB
• Differential Gain = 0.05%
• Differential Phase = 0.05°
Applications
• Video Amplifier
• PCMCIA Applications
• A/D Driver
• Line Driver
• Portable Computers
• High Speed Communications
• RGB Printer, FAX, Scanner
Applications
• Broadcast Equipment
• Active Filtering
• Multiplexing
Ordering Information
Part No.
EL2257CN
EL2257CS
EL2357CN
EL2357CS
Temp. Range
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
Package
14 Pin PDIP
14 Pin SOIC
16 Pin PDIP
16 Pin SOIC
Outline #
MDP0031
MDP0027
MDP0031
MDP0027
General Description
The EL2257C/EL2357C are supply op amps. Prior single supply op
amps have generally been limited to bandwidths and slew rates 1/4
that of the EL2257C/EL2357C. The 125 MHz bandwidth, 275 V/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 appli-
cations. 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 com-
pletely to ground without saturating. The outputs can also drive to
within 1.2V of the top rail. The EL2257C/EL2357C will output
±100 mA and will operate with single supply voltages as low as 2.7V,
making them ideal for portable, low power applications.
The EL2257C/EL2357C have a high speed disable feature. Applying a
low logic level to all ENABLE pins reduces the supply current to 0 µA
within 50 ns. Each amplifier has its own ENABLE pin. This is useful
for both multiplexing and reducing power consumption.
The EL2257C/EL2357C also have an output voltage clamp feature.
This clamp is a fast recovery (<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 require long
times to recover if overdriven.
The EL2257C/EL2357C are available in plastic DIP and SOIC pack-
ages. Both parts operate over the industrial temperature range of -40°C
to +85°C. For single amplifier applications, see the
EL2150C/EL2157C. For space saving, industry standard pin out dual
and quad applications, see the EL2250C/EL2450C.
Connection Diagrams
© 1995 Elantec, Inc.
Top View
Top View




EL2357CS pdf, 반도체, 판매, 대치품
EL2257C/EL2357C
125 MHz Single Supply, Clamping Op Amps
Closed Loop AC Electrical Characteristics
VunSl=e+ss5Vot,hGerNwDis=e0sVp,eTciAfi=e2d5[°1C] , VCM=+1.5V, VOUT=+1.5V, VCLAMP=+5V, VENABLE=+5V, AV=+1, RF=0, RL=150to GND pin,
Parameter
Description
BW -3 dB Bandwidth (Vout=400 mVp-p)
BW ±0.1 dB Bandwidth (Vout=400 mVp-p)
GBWP
PM
SR
tR,tF
OS
tPD
tS
dG
dP
eN
iN
tDIS
tEN
tCL
Gain Bandwidth Product
Phase Margin
Slew Rate
Rise Time, Fall Time
Overshoot
Propagation Delay
0.1% Settling Time
0.01% Settling Time
Differential Gain [2]
Differential Phase [2]
Input Noise Voltage
Input Noise Current
Disable Time [3]
Enable Time [3]
Clamp Overload Recovery
Test Conditions
Min Typ
VS=+5V, AV=+1, RF=0
VS=+5V, AV=-1, RF=500
VS=+5V, AV=+2, RF=500
VS=+5V, AV=+10, RF=500
VS=+12V, AV=+1, RF=0
VS=+3V, AV=+1, RF=0
VS=+12V, AV=+1, RF=0
VS=+5V, AV=+1, RF=0
VS=+3V, AV=+1, RF=0
VS=+12V, @ AV=+10
RL=1 k, CL=6 pF
VS=+10V, RL=150, Vout=0V to +6V
VS=+5V, RL=150, Vout=0V to +3V
±0.1V Step
125
60
60
6
150
100
25
30
20
60
55
200 275
300
2.8
±0.1V Step
10
±0.1V step
3.2
VS=±5V, RL=500, AV=+1, VOUT=±3V
VS=±5V, RL=500, AV=+1, VOUT=±3V
AV=+2, RF=1 k
AV=+2, RF=1 k
f=10 kHz
40
75
0.05
0.05
48
f=10 kHz
1.25
50
25
7
Test
Max Level Units
V MHz
V MHz
V MHz
V MHz
V MHz
V MHz
V MHz
V MHz
V MHz
V MHz
V°
I V/µs
V V/µs
V ns
V%
V ns
V ns
V ns
V%
V°
V nV/ÐH
z
V pA/ÐH
z
V ns
V ns
V ns
1. All AC tests are performed on a warmed uppart, except slew rate, which is pulse tested.
2. Standard NTSC signal = 286 mVp-p, f=3.58 MHz, as VIN is swept from 0.6V to 1.314V. RL is DC coupled.
3. 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

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EL2357CS 전자부품, 판매, 대치품
Large Signal Step Response,
VS = +3V
EL2257C/EL2357C
125 MHz Single Supply, Clamping Op Amps
Large Signal Step Response,
VS = +5V
Large Signal Step Response,
VS = +12V
Small Signal Step Response
Large Signal Step Response,
VS = ±5V
Slew Rate vs Temperature
Settling Time vs
Settling Accuracy
Voltage and Current Noise
vs Frequency
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