LM6211MF National Semiconductor, LM6211MF Datasheet

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LM6211MF

Manufacturer Part Number
LM6211MF
Description
IC,Operational Amplifier,SINGLE,CMOS,TSOP,5PIN,PLASTIC
Manufacturer
National Semiconductor
Datasheet

Specifications of LM6211MF

Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 2006 National Semiconductor Corporation
LM6211
Low Noise, RRO Operational Amplifier with CMOS Input
and 24V Operation
General Description
The LM6211 is a wide bandwidth, low noise op amp with a
wide supply voltage range and a low input bias current. The
LM6211 operates with a single supply voltage of 5V to 24V,
is unity gain stable, has a ground-sensing CMOS input
stage, and offers rail-to-rail output swing.
The LM6211 is designed to provide optimal performance in
high voltage, low noise systems. The LM6211 has a unity
gain bandwidth of 20 MHz and an input referred voltage
noise density of 5.5 nV/
achieves these specifications with a low supply current of
only 1 mA. The LM6211 has a low input bias current of
2.3 pA, an output short circuit current of 25 mA and a slew
rate of 5.6 V/us. The LM6211 also features a low common-
mode input capacitance of 5.5 pF which makes it ideal for
use in wide bandwidth and high gain circuits. The LM6211 is
well suited for low noise applications that require an op amp
with very low input bias currents and a large output voltage
swing, like active loop-filters for wide-band PLLs. A low total
harmonic distortion, 0.01% at 1 kHz with loads as high as
600Ω, also makes the LM6211 ideal for high fidelity audio
and microphone amplifiers.
The LM6211 is available in the small SOT package, allowing
the user to implement ultra-small and cost effective board
layouts.
Typical Application
at 10 kHz. The LM6211
DS201203
20120303
Features
(Typical 24V supply unless otherwise noted)
n Supply voltage range
n Input referred voltage noise
n Unity gain bandwidth
n 1/f corner frequency
n Slew rate
n Supply current
n Low input capacitance
n Temperature range
n Total harmonic distortion
n Output short circuit current
Applications
n PLL loop filters
n Low noise active filters
n Strain gauge amplifiers
n Low noise microphone amplifiers
0.01%
-40˚C to 125˚C
@
www.national.com
5.5 nV/
1 kHz, 600Ω
20120304
May 2006
5V to 24V
1.05 mA
5.6 V/µs
20 MHz
400 Hz
25 mA
5.5 pF

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LM6211MF Summary of contents

Page 1

... The LM6211 is available in the small SOT package, allowing the user to implement ultra-small and cost effective board layouts. Typical Application © 2006 National Semiconductor Corporation Features (Typical 24V supply unless otherwise noted) n Supply voltage range n Input referred voltage noise ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance (Note 2) Human Body Model Machine Model V Differential IN + − Supply Voltage ( – Voltage at Input/Output pins Storage Temperature Range 5V Electrical Characteristics Unless otherwise specified, all limits are guaranteed for T at the temperature extremes ...

Page 3

Electrical Characteristics Unless otherwise specified, all limits are guaranteed for T at the temperature extremes. Symbol Parameter THD Total Harmonic Distortion 24V Electrical Characteristics Unless otherwise specified, all limits are guaranteed for T at the temperature extremes. Symbol Parameter ...

Page 4

... Note 11: Slew rate is the average of the rising and falling slew rates. Connection Diagram Ordering Information Package Part Number LM6211MF 5-Pin SOT-23 LM6211MFX www.national.com , θ , and T . The maximum allowable power dissipation at any ambient temperature is J(MAX the temperature extremes into the total temperature change ...

Page 5

Typical Performance Characteristics − / Supply Current vs. Supply Voltage V vs Input Bias Current vs. V Unless otherwise specified, T 20120318 20120320 CM 20120350 ...

Page 6

Typical Performance Characteristics V − /2. (Continued Input Bias Current vs. V Sourcing Current vs. Supply Voltage Positive Output Swing vs. Supply Voltage www.national.com Unless otherwise specified, T Input Bias Current vs. ...

Page 7

Typical Performance Characteristics V − /2. (Continued Positive Output Swing vs. Supply Voltage Sourcing Current vs. Output Voltage Sourcing Current vs. Output Voltage Unless otherwise specified, T Negative Output Swing vs. Supply ...

Page 8

Typical Performance Characteristics V − /2. (Continued Open Loop Gain and Phase with Capacitive Load Input Referred Voltage Noise vs. Frequency THD+N vs. Output Amplitude www.national.com Unless otherwise specified, T Open Loop ...

Page 9

Typical Performance Characteristics V − /2. (Continued Slew Rate vs. Supply Voltage Small Signal Transient Response Phase Margin vs. Capacitive Load (Stability) Unless otherwise specified, T Overshoot and Undershoot vs. Capacitive Load ...

Page 10

Typical Performance Characteristics V − /2. (Continued Closed Loop Output Impedance vs. Frequency CMRR vs. Frequency www.national.com Unless otherwise specified, T PSRR vs. Frequency 20120305 20120306 25˚ ...

Page 11

Application Notes ADVANTAGES OF THE LM6211 High Supply Voltage, Low Power Operation The LM6211 has performance guaranteed at supply volt- ages of 5V and 24V. The LM6211 is guaranteed to be operational at all supply voltages between 5V and 24V. ...

Page 12

Application Notes (Continued) In the Loop Compensation Figure 2 illustrates a compensation technique, known as ‘in the loop’ compensation, that employs an RC feedback circuit within the feedback loop to stabilize a non-inverting amplifier configuration. A small series resistance, R ...

Page 13

Typical Applications ACTIVE LOOP FILTER FOR PLLs A typical phase locked loop, or PLL, functions by creating a negative feedback loop in terms of the phase of a signal. A simple PLL consists of three main components: a phase detector, ...

Page 14

Typical Applications FIGURE 7. LM6211 in the Active Loop Filter for LMX2430 ADC INPUT DRIVER A typical application for a high performance op amp ADC driver, which delivers the analog signal obtained from sensors and actuators to ...

Page 15

Typical Applications (Continued) FIGURE 8. Hydraulic Pressure Monitoring System DAC OUTPUT AMPLIFIER Op amps are often used to improve a DAC’s output driving capability. High performance op amps are required as I-V converters at the outputs of high resolution current ...

Page 16

Typical Applications AUDIO PREAMPLIFIER With low input referred voltage noise, low supply voltage and low supply current, and low harmonic distortion, the LM6211 is ideal for audio applications. Its wide unity gain bandwidth allows it to provide large gain over ...

Page 17

Typical Applications (Continued) FIGURE 13. Photodiode Transimpedance Amplifier The following parameters are used to design a transimped- ance amplifier: the amplifier gain-bandwidth product, A amplifier input capacitance the photodiode capaci- CM tance the transimpedance gain required, ...

Page 18

Typical Applications SENSOR INTERFACES The low input bias current and low input referred noise of the LM6211 make it ideal for sensor interfaces. These circuits are required to sense voltages of the order of a few µV, and currents amounting ...

Page 19

... BANNED SUBSTANCE COMPLIANCE National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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