LME49721MA/NOPB National Semiconductor, LME49721MA/NOPB Datasheet
LME49721MA/NOPB
Specifications of LME49721MA/NOPB
Related parts for LME49721MA/NOPB
LME49721MA/NOPB Summary of contents
Page 1
... L = 600Ω ■ Input Noise Density Typical Connection, Pinout, and Package Marking FIGURE 1. Buffer Amplifier © 2010 National Semiconductor Corporation LME49721 ■ Slew Rate ■ Gain Bandwidth Product ■ Open Loop Gain (R ■ Input Bias Current ■ ...
Page 2
... Ordering Information Package Part Number LME49721MA/NOPB 8 – Pin Narrow LME49721MAE/NOPB SOIC LME49721MAX/NOPB www.national.com Package Marking 202049x1 NS = National Logo Z = Assembly plant code Digit date code TT = Lot traceability L49721 = LME49721 MA = Narrow SOIC package code Package Marking Transport Media 95 units/Rail L49721 250 units Tape and Reel 2 ...
Page 3
... Absolute Maximum Ratings 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Power Supply Voltage ( Storage Temperature Input Voltage (V-) Output Short Circuit (Note 3) Electrical Characteristics for the LME49721 in Figure 5V 10kΩ, R ...
Page 4
Symbol Parameter V Output Voltage Swing OUTMIN I Output Current OUT I Short Circuit Current OUT-SC R Output Impedance OUT I Quiescent Current per Amplifier S Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may ...
Page 5
Typical Performance Characteristics THD+N vs Frequency V = ±2.5V OUT R = 2kΩ 22kHz L V THD+N vs Frequency V = ±2.5V OUT R = 10kΩ, A ...
Page 6
THD+N vs Frequency V = ±2.75V OUT R = 2kΩ 22kHz L V THD+N vs Frequency V = ±2.75V OUT R = 10kΩ 22kHz L V ...
Page 7
THD+N vs Output Voltage V = ±1. 2kΩ 202049u7 THD+N vs Output Voltage V = ±1. 600Ω 202049u9 THD+N vs Output Voltage V = ...
Page 8
THD+N vs Output Voltage V = ±2. 2kΩ THD+N vs Output Voltage V = ±2. 600Ω THD+N vs Output Voltage V = ±2.75V 10kΩ www.national.com ...
Page 9
Crosstalk vs Frequency V = ±1. OUT p 2kΩ L 202049r4 Crosstalk vs Frequency V = ±1. OUT p-p = 600Ω 202049r6 Crosstalk vs Frequency V = ±1.5V ...
Page 10
Crosstalk vs Frequency V = ±2. OUT R = 2kΩ L Crosstalk vs Frequency V = ±2. OUT = 600Ω Crosstalk vs Frequency V = ±2.75V ...
Page 11
PSRR vs Frequency V = ±1. 200mV RIPPLE P 2kΩ L 202049v9 PSRR vs Frequency V = ±1. 200mV RIPPLE P-P = 600Ω 202049w1 PSRR vs Frequency V = ±1.5V ...
Page 12
PSRR vs Frequency V = ±2. 200mV RIPPLE R = 2kΩ L PSRR vs Frequency V = ±2. 200mV RIPPLE = 600Ω PSRR vs Frequency V = ±2.75V 200mV ...
Page 13
CMRR vs Frequency V = ±1. 2kΩ L 202049l3 CMRR vs Frequency V = ±1. 600Ω 202049l5 CMRR vs Frequency V = ±2. 10kΩ L 202049l7 CMRR vs Frequency V ...
Page 14
CMRR vs Frequency V = ±2.75V 2kΩ L CMRR vs Frequency V = ±2.75V S = 600Ω Output Voltage Swing Neg vs Power Supply R = 10kΩ L www.national.com CMRR vs Frequency 202049l9 Output Voltage ...
Page 15
Output Voltage Swing Pos vs Power Supply R = 2kΩ L Output Voltage Swing Pos vs Power Supply = 600Ω Supply Current per amplifier vs Power Supply R = 10kΩ, Dual Supply L Output Voltage Swing Pos vs ...
Page 16
Application Information DISTORTION MEASUREMENTS The vanishingly low residual distortion produced by LME49721 is below the capabilities of all commercially avail- able equipment. This makes distortion measurements just slightly more difficult than simply connecting a distortion me- ter to the amplifier's ...
Page 17
Figure 3 shows the typical connection for a dual supply in- verting amplifier. The output voltage is centered on zero. FIGURE 3. Dual Supply Inverting Op Amp Figure 4 shows the typical connection for the Buffer Amplifier or also called ...
Page 18
Typical Applications ANAB Preamp kHz = 0.38 μ Weighted Balanced to Single Ended Converter V = V1–V2 O www.national.com 202049n4 − V3 − ...
Page 19
Second Order High Pass Filter (Butterworth) Illustration kHz 0 Illustration kHz 10 Second Order Low Pass Filter 202049n9 Illustration kHz 0 ...
Page 20
Channel Panning Circuit (Pan Pot) www.national.com AC/DC Converter 202049o3 20 202049o2 Line Driver 202049o4 ...
Page 21
Illustration is Hz 320 =11 kHz 1.1 kHz 0.33 μ S kHz A ...
Page 22
Illustration is 101(V2 − V1) www.national.com Balanced Input Mic Amp 22 202049o7 ...
Page 23
... Note 8: At volume of change = ±12 dB 1.7 Reference: “AUDIO/RADIO HANDBOOK”, National Semiconductor, 1980, Page 2–61 10 Band Graphic Equalizer 0.12μF 4.7μF 32 75kΩ 0.056μF 3.3μF 64 68kΩ 0.033μF 1.5μF 62kΩ ...
Page 24
Revision History Rev 1.0 1.1 1.2 www.national.com Date Description 09/26/07 Initial release. 10/01/07 Input more info under the Buffer Amplifier. 04/21/10 Added the Ordering Information table. 24 ...
Page 25
Physical Dimensions inches (millimeters) unless otherwise noted NS Package M08A 25 www.national.com ...
Page 26
... For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...