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EL5421C PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EL5421C
기능 Quad 12MHz Rail-to-Rail Input-Output Buffer
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EL5421C 데이터시트, 핀배열, 회로
EL5421C
Quad 12MHz Rail-to-Rail Input-Output Buffer
Features
• 12MHz -3dB Bandwidth
• Unity gain buffer
• Supply voltage = 4.5V to 16.5V
• Low supply current (per buffer) =
500µ A
• High slew rate = 10V/µs
• Rail to Rail operation
• “Mini” SO Package (MSOP)
Applications
• TFT-LCD Drive Circuits
• Electronics Notebooks
• Electronics Games
• Personal Communication Devices
• Personal Digital Assistants (PDA)
• Portable Instrumentation
• Wireless LANs
• Office Automation
• Active Filters
• ADC/DAC Buffer
Ordering Information
Part No.
EL5421CY
Temp. Range
Package
-40°C to +85°C 10-Pin MSOP
Outline #
MDP0043
General Description
The EL5421C is a quad, low power, high voltage rail-to-rail input-out-
put buffer. Operating on supplies ranging from 5V to 15V, while
consuming only 500µA per channel, the EL5421C has a bandwidth of
12MHz (-3dB). The EL5421C also provides rail-to-rail input and out-
put ability, giving the maximum dynamic range at any supply voltage.
The EL5421C also features fast slewing and settling times, as well as
a high output drive capability of 30mA (sink and source). These fea-
tures make the EL5421C ideal for use as voltage reference buffers in
Thin Film Transistor Liquid Crystal Displays (TFT-LCD). Other
applications include battery power, portable devices and anywhere
low power consumption is important.
The EL5421C is available in a space saving 10-Pin MSOP package
and operates over a temperature range of -40°C to +85°C.
Connection Diagram
VOUTA 1
VINA 2
VS+ 3
VINB 4
VOUTB 5
10 VOUTD
9 VIND
8 VS-
7 VINC
6 VOUTC
EL 5421C (MSOP 10)
© 2000 Elantec Semiconductor, Inc.




EL5421C pdf, 반도체, 판매, 대치품
EL5421C
Quad 12MHz Rail-to-Rail Input-Output Buffer
Electrical Characteristics
VS+ = +15V, VS- = 0V, RL = 10kand CL = 10pF to 7.5V, TA = 25°C unless otherwise specified.
Parameter
Description
Condition
Input Characteristics
VOS Input Offset Voltage
TCVOS
Average Offset Voltage Drift
IB Input Bias Current
RIN Input Impedance
CIN Input Capacitance
AV Voltage Gain
Output Characteristics
VCM = 7.5V
[1]
VCM= 7.5V
0.5 VOUT 14.5V
VOL Output Swing Low
VOH Output Swing High
ISC Short Circuit Current
Power Supply Performance
IL = -5mA
IL = 5mA
Short to GND [2]
PSRR
Power Supply Rejection Ratio
IS Supply Current (Per Buffer)
Dynamic Performance
SR Slew Rate [3]
tS Settling to +0.1%
BW -3dB Bandwidth
CS Channel Separation
VS is moved from 4.5V to 15.5V
No Load
1V VOUT 14V, 20% to 80%
VO = 2V Step
RL = 10 k, CL = 10pF
f = 5MHz
1. Measured over the operating temperature range
2. Parameter is guaranteed (but not test) by design and characterization data
3. Slew rate is measured on rising and falling edges
Min
0.995
14.85
±80
60
7
Typ
2
5
2
1
1.35
80
14.92
±120
80
500
10
500
12
75
Max
14
50
1.005
150
750
Unit
mV
µ V/°C
nA
G
pF
V/V
mV
V
mA
dB
µA
V/µ s
ns
MHz
dB
4

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EL5421C 전자부품, 판매, 대치품
EL5421C
Quad 12MHz Rail-to-Rail Input-Output Buffer
Output Impedance vs Frequency
200
160
VS=±5V
TA=25° C
120
80
40
0
10k 100k
1M
Frequency (Hz)
10M
PSRR vs Frequency
80
PSRR+
60 PSRR-
40
20 V S = ±
5V
0
100 1k 10k 100k 1M 10M
Frequency (Hz)
Maximum Output Swing vs Frequency
12
10
8
VS=± 5V
6
TA=25° C
RL=10k
CL=12pF
4 Distortion <1%
2
0
10k 100k 1M
Frequency (Hz)
10M
Input Voltage Noise Spectral Density vs
Frequency
600
100
10
1
100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
Total Harmonic Distortion + Noise vs Frequency
0.010
0.009
0.008
0.007
0.006
0.005
0.004
0.003
VS=± 5V
RL=10k
VIN=1VRMS
0.002
0.001
1k
10k
Frequency (Hz)
100k
Channel Separation vs Frequency Response
-60
Dual measured Channel A to B
Quad measured Channel A to D or B to C
Other combinations yield improved rejection.
-80
VS=± 5V
RL=10k
-100 VIN=220mVRMS
-120
-140
1k
10k 100k
Frequency (Hz)
1M
6M
7

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