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UNISONIC TECHNOLOGIES CO., LTD TF202 N-CHANNEL JFET www.unisonic.com.tw 1 of 4 Copyright © 2014 Unisonic Technologies Co., Ltd QW-R210-001.J N-CHANNEL JFET CAPACITOR MICROPHONE APPLICATIONS DESCRIPTION The UTC TF202 uses advanced trench technology to provide excellent R DS (ON) , low gate charge and operation with low gate voltages. This device is suitable for use in capacitor microphone applications. FEATURES *Suited for use in audio, telephone capacitor microphones. *Good voltage characteristic. *Good transient characteristic. ORDERING INFORMATION Ordering Number Package Pin Assignment Packing Lead Free Halogen Free 1 2 3 - TF202G-x-AE3-R SOT-23 S D G Tape Reel - TF202G-x-AN3-R SOT-523 S D G Tape Reel - TF202G-x-AC3-R SOT-113 S D G Tape Reel TF202L-x-A3C-R TF202G-x-A3C-R SOT-113S S D G Tape Reel - TF202G-x-AQ3-R SOT-723 S D G Tape Reel Note: Pin Assignment: S: Source D: Drain G: Gate (1) R: Tape Reel (2) AC3: SOT-113, A3C: SOT-113S AE3: SOT-23, AN3: SOT-523, AQ3: SOT-723 (3) x: refer to CLASSIFICATION OF IDSS (4) G: Halogen Free and Lead Free, L: Lead Free TF202G-x-AC3-R (1)Packing Type (2)Package Type (3)Rank (4)Green Package MARKING TF202-E3 TF202-E4 TF202-E5
UNISONIC TECHNOLOGIES CO., LTD 2 of 4 www.unisonic.com.tw Q W - R 2 1 0 - 0 0 1 . J ABSOLUTE MAXIMUM RATINGS ( TA=25°С, unless otherwise specified ) PARAMETER SYMBOL RATING UNIT Gate Drain Voltage V GDO -20 V Gate Current I G 10 mA Drain Current I D 10 mA Power Dissipation P D 100 mW Junction Temperature T J 150 ° С Storage Temperature T STG -55~+150 ° С Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ELECTRICAL CHARACTERISTICS (TA=25C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Gate Drain Breakdown Voltage BV GDO I G=-100μA -20 V Gate Source Cut off Voltage V GS(OFF) V DS=2V, ID=1μA -0.38 V Zero-Gate Voltage Drain Current I DSS V DS=2V, VGS=0V 100 350 μA Drain Current I D VDD=2V, RL=2.2kΩ, Cg=5pF IDSS=100μA 98 μA IDSS=250μA 244 μA IDSS=350μA 337 μA Forward Transfer Admittance lyfsl V DS=2V, VGS=0V 1.43 mS Input Capacitance C ISS V DS=2, VGS=0, f=1MHz 5.0 pF Voltage Gain GV VDD=2V, RL=2.2kΩ, Cg=5pF, f=1kHz, VIN=10mV IDSS=100μA 0.1 dB IDSS=250μA 1.95 dB IDSS=350μA 2.25 dB Delta Voltage Gain ∆GV VIN=10mV, RL=2.2kΩ, Cg=5pF, f=1kH, VDD=2V to1.5V -0.5 dB Frequency Characteristic ∆GV(f) VIN=10mV, RL=2.2kΩ, Cg=5pF, VDD=2V, f=1kHz to 110kHz -0.2 dB Output Noise Voltage V NO VDD=2V, Cg=5pF, A-curve filter RL=1kΩ -107 dB RL=2.2kΩ -102 dB Total Harmonic distortion THD VDD=2V, RL=2.2kΩ, Cg=5pF, f=1kHz, VIN=50mV 0.9 % CLASSIFICATION OF IDSS RANK E3 E4 E5 RANGE 100-170 140-240 210-350
UNISONIC TECHNOLOGIES CO., LTD 3 of 4 www.unisonic.com.tw Q W - R 2 1 0 - 0 0 1 . J TEST CIRCUIT(TA=25C
UNISONIC TECHNOLOGIES CO., LTD 4 of 4 www.unisonic.com.tw Q W - R 2 1 0 - 0 0 1 . J TYPICAL CHARACTERISTICS UTC assumes no responsib ility for equipment failures that result from using pr oducts at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.