LME49722MA/NOPB National Semiconductor, LME49722MA/NOPB Datasheet

IC AMP AUDIO STER AB HIFI 8SOIC

LME49722MA/NOPB

Manufacturer Part Number
LME49722MA/NOPB
Description
IC AMP AUDIO STER AB HIFI 8SOIC
Manufacturer
National Semiconductor
Datasheet
1.LME49722MABD.pdf (14 pages)

Specifications of LME49722MA/NOPB

Amplifier Type
Audio
Number Of Circuits
2
Slew Rate
22 V/µs
Gain Bandwidth Product
55MHz
Current - Input Bias
53nA
Voltage - Input Offset
20µV
Current - Supply
12.3mA
Current - Output / Channel
28mA
Voltage - Supply, Single/dual (±)
±2.5 V ~ 18 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Amplifier Class
AB
No. Of Channels
2
Supply Voltage Range
± 2.5V To ± 18V
Load Impedance
600ohm
Operating Temperature Range
-40°C To +85°C
Amplifier Case Style
SOIC
No. Of Pins
8
Rohs Compliant
Yes
Number Of Channels
2
Voltage Gain Db
140 dB
Common Mode Rejection Ratio (min)
110 dB
Input Offset Voltage
0.7 mV at +/- 18 V
Maximum Operating Temperature
+ 85 C
Maximum Dual Supply Voltage
+/- 18 V
Minimum Operating Temperature
- 40 C
For Use With
LME49722MABD - BOARD EVALUATION FOR LME49722
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Output Type
-
-3db Bandwidth
-
Lead Free Status / Rohs Status
 Details
Other names
LME49722MA

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
LME49722MA/NOPB
Manufacturer:
TI/NSC
Quantity:
1 932
© 2008 National Semiconductor Corporation
LME49722
Low Noise, High Performance, High Fidelity Dual Audio
Operational Amplifier
General Description
The LME49722 is part of the ultra-low distortion, low noise,
high slew rate operational amplifier series optimized and fully
specified for high performance, high fidelity applications.
Combining advanced leading-edge process technology with
state-of-the-art circuit design, the LME49722 audio opera-
tional amplifiers deliver superior audio signal amplification for
outstanding audio performance. The LME49722 combines
extremely low voltage noise density (1.9nV/
vanishingly low THD+N (0.00002%) to easily satisfy the most
demanding audio applications. To ensure that the most chal-
lenging loads are driven without compromise, the LME49722
has a high slew rate of ±22V/µs and an output current capa-
bility of ±28mA. Further, dynamic range is maximized by an
output stage that drives 2kΩ loads to within 1V of either power
supply voltage.
The LME49722 has a wide supply range of ±2.5V to ±18V.
Over this supply range the LME49722 maintains excellent
common-mode and power supply rejection, and low input bias
current. This Audio Operational Amplifier achieves outstand-
ing AC performance while driving complex loads with values
as high as 100pF with gain value greater than 2. Directly in-
terchangeable with LME49720, LM4562 and LME49860 for
similar operating voltages.
Key Specifications
Typical Application
■ 
■ 
■ 
Wide Operating Voltage Range
Equivalent Noise
Equivalent Noise
(Frequency = 1kHz)
(Frequency = 10Hz)
FIGURE 1. Wide Bandwidth Low Noise Low Drift Amplifier
300579
1.9nV/
2.8nV/
±2.5V to ±18V
√
Hz) rate with
√
√
Hz (typ)
Hz (typ)
Features
■
■
■
■
Applications
■
■
■
■
■
■
■ 
■ 
■ 
■ 
■ 
■ 
(A
R
R
Easily drives 600Ω loads
Optimized for superior audio signal fidelity
Output short circuit protection
PSRR and CMRR exceed 120dB (typ)
Ultra high quality audio amplification
High fidelity preamplifiers, phono preamps, and
multimedia
High performance professional audio
High fidelity equalization and crossover networks with
active filters
High performance line drivers and receivers
Low noise industrial applications including test,
measurement, and ultrasound
PSRR
Slew Rate
THD+N
Open Loop Gain (R
Input Bias Current
Voltage Offset
L
L
V
= 2kΩ
= 600Ω
= 1, V
OUT
= 3V
30057910
RMS
L
= 600Ω)
, f
IN
= 1kHz)
0.00002% (typ)
0.00002% (typ)
March 27, 2008
±0.02mV (typ)
±22V/μs (typ)
www.national.com
120dB (typ)
135dB (typ)
50nA (typ)

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LME49722MA/NOPB Summary of contents

Page 1

... Wide Operating Voltage Range ■  Equivalent Noise (Frequency = 1kHz) ■  Equivalent Noise (Frequency = 10Hz) Typical Application FIGURE 1. Wide Bandwidth Low Noise Low Drift Amplifier © 2008 National Semiconductor Corporation ■  PSRR ■  Slew Rate ■  THD ...

Page 2

Connection Diagram www.national.com Order Number LME49722MA See NS Package Number — M08A 2 30057955 ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( Storage Temperature   Input Voltage (V-) Output Short Circuit (Note 3) ESD Susceptibility (Note 4) ESD Susceptibility (Note 5) Electrical Characteristics for the LME49722 V = ± ...

Page 4

Symbol Parameter Common-Mode Input Voltage V IN-CM Range CMRR Common-Mode Rejection Differential Input Impedance Z IN Common Mode Input Impedance Open Loop Voltage Gain VOL V Output Voltage Swing OM I Output Current OUT I Short Circuit ...

Page 5

Typical Performance Characteristics THD+N vs Output Voltage +V = –V = 15V 1kHz THD+N vs Output Voltage +V = –V = 18V 1kHz THD+N vs Frequency +V = ...

Page 6

THD+N vs Frequency +V = –V = 18V IMD vs Frequency +V = –V = 15V IMD vs Frequency +V = –V = 18V www.national.com , R = ...

Page 7

IMD vs Frequency +V = –V = 2.5V 2kΩ 30057920 Voltage Noise Density vs Frequency +V = –V = 15V CC EE 300579p9 Current Noise Density vs Frequency +V = –V = 15V CC EE ...

Page 8

PSRR+ vs Frequency +V = –V = 15V RIPPLE Crosstalk vs Frequency +V = –V = 15V 2kΩ Output Voltage vs Supply Voltage THD+N = 1%, R www.national.com = 200mV , ...

Page 9

Supply Current vs Supply Voltage R = 2kΩ L 30057911 Gain Phase vs Frequency +V = –V = 15V CC EE Full Power Bandwidth vs Frequency +V = – 30057914 9 = 15V 2kΩ L 30057919 ...

Page 10

Application Information APPLICATION HINTS The LME49722 is a high speed operational amplifier which can operate stably in most of the applications. For the appli- cation with gain greater than 2, capacitive loads up to 100pF will cause little change in ...

Page 11

Revision History Rev Date 1.0 03/27/08 Description Initial release. 11 www.national.com ...

Page 12

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted Narrow SOIC Package Order Number LME49722MA NS Package Number M08A 12 ...

Page 13

Notes 13 www.national.com ...

Page 14

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock Conditioners www.national.com/timing Data Converters www.national.com/adc Displays www.national.com/displays Ethernet www.national.com/ethernet Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www ...

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