PA309 UTC | Alldatasheet
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UNISONIC TECHNOLOGIES CO., LTD PA309 CMOS IC www.unisonic.com.tw 1 of 6 Copyright © 2024 Unisonic Technologies Co., Ltd QW-R502-D253.B HIGH GAIN AND HIGH IMPEDANCE PRE-AMPLIFIER DESCRIPTION The UTC PA309 is high gain, high impedance per-amplifiers which are specially suited for use in audio and telephone Elect ret Condenser Microphones (ECM). FEATURES * High voltage gain * High ESD voltage * Wide input signal * High gain linearity * Low input capacitance * Built-in capacitor 10pF for RF noise elimination ORDERING INFORMATION Ordering Number Package Packing Lead Free Halogen Free PA309L-xx-AE2-R PA309G-xx-AE2-R SOT-23-3 Tape Reel PA309L-xx-AE2-x-R PA309G-xx-AE2-x-R SOT-23-3 Tape Reel MARKING PA309 PA309-3
UNISONIC TECHNOLOGIES CO., LTD 2 o f 6 www.unisonic.com.tw Q W - R 5 02-D253.B PIN CONFIGURATION PIN DESCRIPTION PIN NO. PIN NAME DESCRIPTION PA309 PA309-3 1 3 INPUT INPUT 2 2 GND GND 3 1 OUTPUT OUTPUT
UNISONIC TECHNOLOGIES CO., LTD 3 o f 6 www.unisonic.com.tw Q W - R 5 02-D253.B ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Supply Voltage V SUPPLY 10 V Supply Current I SUPPLY 10 mA Input Current I INPUT 1m A Allowable Power Dissipation P D 100 mW Junction Temperature T J 150 °C Storage Temperature T STG -55 ~ +150 °C Note: Absolute maximum ratings are those values beyond which th e device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL RATINGS UNIT Supply Voltage V SUPPLY 1.4 ~ 5.5 V Operating Temperature Range T OPR -40 ~ +85 °C ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT RL=2.2kΩ, VSUPPLY=3V, VSIGNAL=28mVPP Input Capacitance C INPUT f=1MHz 2.0 pF Gain Reduction with Frequency △GV f=1kHz~100Hz -1.0 dB Input Impedance INPUT f=1kHz 30 MΩ Output Impedance OUTPUT f=1kHz 2.2 kΩ RL=2.2kΩ, VSIGNAL=28mVPP Supply Current I SUPPLY VSUPPLY=2V PA309-08 180 μA VSUPPLY=3V PA309-18 PA309-20 300 μA Voltage Gain G V VSUPPLY=2V, f=1kHz PA309-08 6.5 8 9.5 dB VSUPPLY=3V, f=1kHz PA309-18 17 18 21 PA309-20 17.4 20 23.3 Total Harmonic Distortion THD VSUPPLY=2V, f=1kHz PA309-08 0.29 0.61 % VSUPPLY=3V, f=1kHz PA309-18 PA309-20 0.29 0.82 % Maximum Input Signal V SIGNAL f=1kHz, THD<1% PA309-08 130 mV PP PA309-18 PA309-20 7 0 m V PP Output Noise e n A-Weighted -100 dB
UNISONIC TECHNOLOGIES CO., LTD 4 o f 6 www.unisonic.com.tw Q W - R 5 02-D253.B TYPICAL APPLICATION CIRCUIT
3 OUTPUT
C Built-in
2 GND
1 INPUT
DC Parameters Test Circuit
UNISONIC TECHNOLOGIES CO., LTD 5 o f 6 www.unisonic.com.tw Q W - R 5 02-D253.B TYPICAL CHARACTERISTICS
UNISONIC TECHNOLOGIES CO., LTD 6 o f 6 www.unisonic.com.tw Q W - R 5 02-D253.B UTC assumes no responsibility for equipment failures that resul t from using products at values that exceed, even momentarily, rated va lues (such as maximum ratings , operating condition ranges, or other parameters) listed in products specifications of any and all UT C products described or contained herein. UTC products are not designed for use in life support appliance s, devices or systems where malfunction of these products can be reasonably expected to result in perso nal injury. Reproduction in whole or in part is prohibited without the pr ior written consent of the cop yright owner. UTC reserves the right to make changes to information published in this document, includi ng without limitation specifications and product descriptions, at any time and without notice. This docu ment supersedes and replaces all information supplied prior to the publication hereof.