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| PRELIMINARY www.fairchildsemi.com LMV321 General Purpose, Low Voltage, Rail-to-Rail Output Amplifier Features at +2.7V * * * * * * * * 80A supply current 1.2MHz gain bandwidth product Output voltage range: 0.01V to 2.69V Input voltage range: -0.25V to +1.5V 1.5V/s slew rate Competes with other industry standard LMV321 amplifiers Package options (SC70-5 and SOT23-5) Fully specified at +2.7V and +5V supplies Description The LMV321 is a low cost, voltage feedback amplifier that consumes only 80A of supply current. The LMV321 is designed to operate from 2.7V (1.35V) to 5.5V (2.75V) supplies. The common mode voltage range extends below the negative rail and the output provides rail-to-rail performance. The LMV321 is designed on a CMOS process and provides 1.2MHz of bandwidth and 1.5V/s of slew rate at a low supply voltage of 2.7V. The combination of low power, railto-rail performance, low voltage operation, and tiny package options make the LMV321 well suited for use in personal electronics equipment such as cellular handsets, pagers, PDAs, and other battery powered applications. Applications * * * * * * * * * * * Low cost general purpose applications Cellular phones Personal data assistants A/D buffer DSP interface Smart card readers Portable test instruments Keyless entry Infrared receivers for remote controls Telephone systems Audio applications TBD Typical Application +Vs 6.8F + Pin Assignments SC70-5 +In 1 + 5 +Vs +In + Rg 0.01F Out Rf -Vs -In 2 3 - LMV321 4 Out SOT23-5 +In -Vs -In 1 + 5 +Vs 2 3 - 4 Out Preliminary April 2002 DATA SHEET LMV321 Absolute Maximum Ratings Parameter Supply Voltages Maximum Junction Temperature Storage Temperature Range Lead Temperature, 10 seconds Operating Temperature Range, recommended Input Voltage Range Min. 0 - -65 - -40 -Vs -0.5 Max. +6 +175 +150 +260 +125 +Vs +0.5 Unit V C C C C V Package Thermal Resistance Package 5 lead SC70 5 lead SOT23 JA 331.4C/W 256C/W Electrical Specifications (Tc = 25C, Vs = +2.7V, G = 2, RL = 10k to Vs/2, Rf = 10k, Vo (DC) = Vcc/2; unless otherwise noted) Parameter AC Performance Gain Bandwidth Product Phase Margin Gain Margin Slew Rate Input Voltage Noise Input Current Noise DC Performance Input Offset Voltage1 Average Drift Input Bias Current1 Average Drift Input Offset Current Power Supply Rejection Ratio Supply Current1 Input Characteristics Input Resistance Input Capacitance Input Common Mode Voltage Range Common Mode Rejection Ratio Output Characteristics Output Voltage Swing Power Supply Operating Range Conditions CL = 50pF, RL = 2k Min. Typ. 1.2 - - 1.5 35 - 1.7 - <10 - <10 65 80 - - -0.25 to 1.5 70 RL = 10k to Vs/2 2.5 0.01 to 2.69 2.7 Max. Unit MHz deg dB V/s nV/Hz pA/Hz mV V/C nA nA/C nA dB A M pF V dB V V 500mVpp >50kHz DC 5.5 Min/max ratings are based on product characterization and simulation. Individual parameters are tested as noted. Outgoing quality levels are determined from tested parameters. Notes: 1. 100% tested at +25C. 2 Preliminary April 2002 LMV321 DATA SHEET Electrical Specifications (Tc = 25C, Vs = +5V, G = 2, RL = 10k to Vs/2, Rf = 10k, Vo (DC) = Vcc/2; unless otherwise noted) Parameter AC Performance Gain Bandwidth Product Phase Margin Gain Margin Slew Rate Input Voltage Noise Input Current Noise DC Performance Input Offset Voltage1 Average Drift Input Bias Current1 Average Drift Input Offset Current1 Power Supply Rejection Ratio1 Open Loop Gain Supply Current1 Input Characteristics Input Resistance Input Capacitance Input Common Mode Voltage Range Common Mode Rejection Ratio1 Output Characteristics Output Voltage Swing Short Circuit Output Current Power Supply Operating Range Conditions CL = 50pF, RL = 2k Min. Typ. 1.4 - - 1.5 33 - 1.7 - <10 - <10 65 68 96 - - -0.4 to 3.8 78 RL = 2k to Vs/2 RL = 10k to Vs/2 2.5 0.035 to 4.96 0.020 to 4.98 +35/-25 5 Max. Unit MHz deg dB V/s nV/Hz pA/Hz mV V/C nA nA/C nA dB dB A M pF V dB V V mA V >50kHz DC 5.5 Min/max ratings are based on product characterization and simulation. Individual parameters are tested as noted. Outgoing quality levels are determined from tested parameters. Notes: 1. 100% tested at +25C. Preliminary April 2002 3 DATA SHEET LMV321 Ordering Information Model LMV321 LMV321 Part Number LMV321AP5X LMV321AS5X Package SC70-5 SOT23-5 Container Reel Reel Pack Qty 3000 3000 Temperature range for all parts: -40C to +125C. DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICES TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com (c) 2002 Fairchild Semiconductor Corporation |
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