UNISONIC TECHNOLOGIES CO., LTD TF202 N-CHANNEL JFET N-CHANNEL JFET CAPACITOR MICROPHONE APPLICATIONS DESCRIPTION The UTC TF202 uses advanced trench technology to provide excellent RDS (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 Lead Free Halogen Free TF202G-x-AE3-R TF202G-x-AN3-R TF202G-x-AC3-R TF202L-x-A3C-R TF202G-x-A3C-R TF202G-x-AQ3-R Note: Pin Assignment: S: Source D: Drain G: Gate TF202G-x-AC3-R (1)Packing Type (2)Package Type (3)Rank SOT-23 SOT-523 SOT-113 SOT-113S SOT-723 Pin Assignment 1 2 3 S D G S D G S D G S D G S D G Packing Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel (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)Green Package Package (4) G: Halogen Free and Lead Free, L: Lead Free MARKING TF202-E3 TF202-E4 E3 E4 TF202-E5 www.unisonic.com.tw Copyright © 2014 Unisonic Technologies Co., Ltd 1 of 4 QW-R210-001.J TF202 N-CHANNEL JFET ABSOLUTE MAXIMUM RATINGS ( TA=25°С, unless otherwise specified ) PARAMETER Gate Drain Voltage Gate Current Drain Current Power Dissipation Junction Temperature Storage Temperature SYMBOL VGDO IG ID PD TJ TSTG RATING -20 10 10 100 150 -55~+150 UNIT V mA mA mW °С °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 Gate Drain Breakdown Voltage Gate Source Cut off Voltage Zero-Gate Voltage Drain Current Drain Current SYMBOL BVGDO VGS(OFF) IDSS ID Forward Transfer Admittance Input Capacitance lyfsl CISS Voltage Gain GV Delta Voltage Gain Frequency Characteristic ∆GV ∆GV(f) Output Noise Voltage VNO Total Harmonic distortion THD TEST CONDITIONS MIN TYP MAX UNIT IG=-100μA -20 V VDS=2V, ID=1μA -0.38 V VDS=2V, VGS=0V 100 350 μA IDSS=100μA 98 μA VDD=2V, RL=2.2kΩ, IDSS=250μA 244 μA Cg=5pF IDSS=350μA 337 μA VDS=2V, VGS=0V 1.43 mS VDS=2, VGS=0, f=1MHz 5.0 pF IDSS=100μA 0.1 dB VDD=2V, RL=2.2kΩ, Cg=5pF, f=1kHz, IDSS=250μA 1.95 dB VIN=10mV IDSS=350μA 2.25 dB VIN=10mV, RL=2.2kΩ, Cg=5pF, -0.5 dB f=1kH, VDD=2V to1.5V VIN=10mV, RL=2.2kΩ, Cg=5pF, -0.2 dB VDD=2V, f=1kHz to 110kHz -107 dB RL=1kΩ VDD=2V, Cg=5pF, A-curve filter RL=2.2kΩ -102 dB VDD=2V, RL=2.2kΩ, Cg=5pF, f=1kHz, 0.9 % VIN=50mV CLASSIFICATION OF IDSS RANK RANGE E3 100-170 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw E4 140-240 E5 210-350 2 of 4 QW-R210-001.J TF202 N-CHANNEL JFET TEST CIRCUIT(TA=25C UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 4 QW-R210-001.J TF202 N-CHANNEL JFET TYPICAL CHARACTERISTICS UTC assumes no responsibility for equipment failures that result from using products 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. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 4 QW-R210-001.J