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Part: EL5421C
Category:
Analog & Mixed-Signal Processing
-> Amplifiers
-> Buffers
Description: Quad 12MHz Rail-to-rail I/o Buffer
Company: Elantec Semiconductor, Inc. (acquired by Intersil)
Datasheet: Download EL5421C datasheet File size : 227 kB
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Datasheet text preview:
EL5421C
EL542 1C
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) = 500µA · High slew rate = 10V/µs · Rail to Rail operation · "Mini" SO Package (MSOP)
General Description
The EL5421C is a quad, low power, high voltage rail-to-rail input-outpu t 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 output 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 features 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.
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
Connection Diagram
Ordering Information
Part No. EL5421CY Temp. Range -40°C to +85°C Package 10-Pin MSOP Outline # MDP0043
VOUTA VINA VS+ VINB VOUTB
1 2 3 4 5
10 9 8 7 6 EL 5421C (MSOP 10)
VOUTD VIND VSVINC VOUTC
October 2, 2000
© 2000 Elantec Semiconductor, Inc.
EL5421C
EL54 21C
Quad 12MHz Rail-to-Rail Input-Output Buffer
Absolute Maximum Ratings (T
A
= 25°C)
Values beyond absolute maximum ratings can cause the device to be prematurely damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied +18V Supply Voltage between VS+ and VSInput Voltage VS- - 0.5V, VS+ +0.5V Maximum Continuous Output Current 30mA
Maximum Die Temperature Storage Temperature Operating Temperature Power Dissipation ESD Voltage
+125°C -65°C to +150°C -40°C to +85°C See Curves 2kV
Important Note: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA
Electrical Characteristics
VS+ = +5V, VS- = -5V, RL = 10k and CL = 10pF to 0V, TA = 25°C unless otherwise specified. Pa rameter Input Characteristics VOS TCVOS IB RIN CIN AV VOL VOH IS C PSRR IS SR tS BW CS Input Offset Voltage Average Offset Voltage Drift Input Bias Current Input Impedance Input Capacitance Voltage Gain Output Swing Low Output Swing High Short Circuit Current Power Supply Rejection Ratio Supply Current (Per Buffer) Slew Rate [3] Settling to +0.1% -3dB Bandwidth Channel Separation -4.5V VOUT 4.5V IL = -5mA IL = 5mA Short to GND [2] VS is moved from ±2.25V to ±7.75V No Load -4.0V VOUT 4.0V, 20% to 80% VO = 2V Step RL = 10k, CL = 10pF f = 5MHz 7 4.85 ±80 60 0.995 -4.92 4.92 ±120 80 500 10 500 12 75 75 0 VCM = 0V
[1]
D escrip t ion
C ondition
Min
Typ
Ma x
U nit
2 5 2 1 1.35
12 50
mV µ V/°C nA G pF
VCM = 0V
1.005 -4.85
V/V V V mA dB µA V/µ s ns MHz dB
Output Characteristics
Power Supply Performance
Dynamic Performance
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
2
EL5421C
EL54 21C
Quad 12MHz Rail-to-Rail Input-Output Buffer
Electrical Characteristics
VS+ = +5V, VS- = 0V, RL = 10k and CL = 10pF to 2.5V, TA = 25°C unless otherwise specified. Parameter Input Characteristics VO S TCVOS IB RIN CIN AV VO L VO H IS C PSRR IS SR tS BW CS Input Offset Voltage Average Offset Voltage Drift Input Bias Current Input Impedance Input Capacitance Voltage Gain Output Swing Low Output Swing High Short Circuit Current Power Supply Rejection Ratio Supply Current (Per Buffer) Slew Rate [3] Settling to +0.1% -3dB Bandwidth Channel Separation 0.5 VOUT 4.5V IL = -5mA IL = 5mA Short to GND [2] VS is moved from 4.5V to 15.5V No Load 1V VOUT 4V, 20% to 80% VO = 2V Step RL = 10 k, CL = 10pF f = 5MHz 7 4.85 ±80 60 0.995 80 4.92 ±120 80 500 10 500 12 75 750 VCM = 2.5V
[1]
D escription
C on dition
Min
Typ 2 5 2 1 1.35
Max 10 50
U nit mV µ V/°C nA G pF
VCM = 2.5V
1.005 150
V/V mV V mA dB µA V/µ s ns MHz dB
Output Characteristics
Power Supply Performance
Dynamic Performance
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
3
EL5421C
EL54 21C
Quad 12MHz Rail-to-Rail Input-Output Buffer
Electrical Characteristics
VS+ = +15V, VS- = 0V, RL = 10k and CL = 10pF to 7.5V, TA = 25°C unless otherwise specified. Parameter Input Characteristics VOS TCVOS IB RIN CIN AV VOL VOH IS C PSRR IS SR tS BW CS Input Offset Voltage Average Offset Voltage Drift Input Bias Current Input Impedance Input Capacitance Voltage Gain Output Swing Low Output Swing High Short Circuit Current Power Supply Rejection Ratio Supply Current (Per Buffer) Slew Rate [3] Settling to +0.1% -3dB Bandwidth Channel Separation 0.5 VOUT 14.5V IL = -5mA IL = 5mA Short to GND [2] 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 7 14.85 ±80 60 0.995 80 14.92 ±120 80 500 10 500 12 75 750 VCM = 7.5V
[1]
D escription
C on dition
Min
Typ 2 5 2 1 1.35
Max 14 50
U nit mV µ V/°C nA G pF
VCM= 7.5V
1.005 150
V/V mV V mA dB µA V/µ s ns MHz dB
Output Characteristics
Power Supply Performance
Dynamic Performance
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
4
EL5421C
EL54 21C
Quad 12MHz Rail-to-Rail Input-Output Buffer
Typical Performance Curves
Input Offset Voltage Distribution 1800 1600 1400 Quantity (Buffers) 1200 1000 800 600 400 200 0 -12 -10 10 12 -8 -6 -4 -2 -0 2 4 6 8 Input Offset Voltage (mV) Input Offset Voltage vs Temperature 10 VS=± 5V Input Offset Voltage (mV) 5 Input Bias Current (nA) 2.0 V S=± 5V 10 0 11 13 15 17 19 Input Offset Voltage Drift, TCVOS(µ V/° C) Input Bias Current vs Temperature 21 150 150 1 3 5 7 9 VS=± 5V TA=25° C Typical Production Distribution Quantity (Buffers) 70 VS=± 5V 60 50 40 30 20 Typical Production Distribution Input Offset Voltage Drift
0.0
0
-5
-2.0 -50 0 50 Temperature (°C) Output High Voltage vs Temperature 100 150 -50 0 50 Temperature (°C) 100
Output Low Voltage vs Temperature -4.91 -4.92 Output Low Voltage (V) -4.93 -4.94 -4.95 -4.96
4.97
Output High Voltage (V)
4.96
VS=± 5V IOUT=5mA
VS=± 5V IOUT=-5mA
4.95
4.94
4.93 -50 0 50 Temperature (°C) 100 150
-4.97 -50 0 50 Temperature (°C) 100
5
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