Ordering number : ENN7281A TF222 N-channel Junction FET TF222 Electret Condenser Microphone Applications Preliminary • • [TF222] Top View 1.4 Side View 0.25 0.1 3 2 0.3 1 0.45 1.4 0.8 • unit : mm 2207A Bottom View 0.2 Side View 0.07 • Especially suited for use in electret condenser microphone. Ultrasmall package permitting TF222 applied sets to be made small and slim. Excellent voltage characteristics. Excellent transient characteristics. Adoption of FBET process. 1 : Drain 2 : Source 3 : Gate 0.6 3 Specifications 1 2 0.07 • Package Dimensions 0.3 Features Absolute Maximum Ratings at Ta=25°C Parameter Symbol Gate-to-Drain Voltage Conditions SANYO : SSFP Ratings VGDO IG Gate Current Drain Current Unit --20 V 10 mA 1 mA 100 mW Junction Temperature ID PD Tj 150 °C Storage Temperature Tstg --55 to +150 °C Allowable Power Dissipation Electrical Characteristics at Ta=25°C Parameter Symbol Gate-to-Drain Breakdown Voltage Cutoff Voltage Drain Current V(BR)GDO VGS(off) Input Capacitance IDSS yfs Ciss Reverse Transfer Capacitance Crss Forward Transfer Admittance Conditions IG=--100µA VDS=2V, ID=1µA VDS=2V, VGS=0 VDS=2V, VGS=0, f=1kHz VDS=2V, VGS=0, f=1MHz Ratings min typ max --20 V --0.1 --1.0 140* 350* 0.5 VDS=2V, VGS=0, f=1MHz Unit V µA mS 5.0 pF 1.1 pF Continued on next page. * : The TF222 is classified by IDSS as follows : (unit : µA) Rank B4 B5 IDSS 140 to 240 210 to 350 Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO 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 SANYO products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 90503 TS IM / O3002 TS IM TA-3621 No.7281-1/4 TF222 Continued from preceding page. Parameter Symbol Ratings Conditions min typ Unit max [Ta=25˚C, VCC=2.0V, RL=2.2kΩ, Cin=5pF, See specified Test Circuit.] Voltage Gain f=1kHz, VIN=10mV --2.0 f=1kHz, VIN=10mV, VCC=2→1.5V --0.6 Frequency Characteristics GV ∆GVV ∆GVf Total Harmonic Distortion THD f=1kHz, VIN=30mV Output Noise Voltage VNO VIN=0, A curve Reduced Voltage Characteristics dB f=1kHz to 110Hz --2.0 dB --1.0 dB --102 dB 0.7 % Test Circuit Voltage gain Frequency Characteristics Distortion Reduced Voltage Characteristics 2.2kΩ VCC=2V VCC=1.5V 33µF + 5pF VTVM V THD B A OSC ID -- VDS ID -- VDS 400 300 Drain Current, ID -- µA 400 Drain Current, ID -- µA Output Impedance VGS=0 200 --0.1V 100 300 VGS=0 200 --0.1V 100 --0.2V --0.4V --0.2V --0.4V --0.3V 0 1 2 3 4 5 Drain-to-Source Voltage, VDS -- V 0 ID -- VGS 500 1.0 1.5 2.0 IT04744 ID -- VGS 500 VDS=2V VDS=2V 400 Drain Current, ID -- µA 400 --0.8 --0.6 --0.4 --0.2 Gate-to-Source Voltage, VGS -- V A 0µ 0µ 15 100 25 ID SS = 35 200 A 0µ A 300 0 --1.0 0.5 Drain-to-Source Voltage, VDS -- V IT04743 300 Ta =7 5°C 25 °C --2 5°C 0 Drain Current, ID -- µA --0.3V 0 200 100 0 IT04745 0 --1.0 --0.8 --0.6 --0.4 --0.2 Gate-to-Source Voltage, VGS -- V 0 IT04746 No.7281-2/4 TF222 VGS(off) -- IDSS Cutoff Voltage, VGS(off) -- V 0.6 0.5 0.4 0.3 0.2 0.1 100 200 300 400 1.6 1.4 1.2 1.0 0.8 0 Reverse Transfer Capacitance, Crss -- pF 7 5 3 2 2 3 5 7 2 1.0 3 5 Drain-to-Source Voltage, VDS -- V 10 IT04749 --1.0 --1.5 --2.0 --2.5 --3.0 --3.5 --4.0 --4.5 0 100 200 300 400 Drain Current, IDSS -- µA 2 1.0 7 5 2 3 5 --0.2 0.4 0.2 0 3 5 7 10 IT04750 --0.4 --0.6 --0.8 --1.0 --1.2 --1.4 0 100 200 300 400 Drain Current, IDSS -- µA Allowable Power Dissipation, PD -- mW 0.6 2 1.0 ∆GVV : VCC=2V→1.5V VIN=10mV f=1kHz IDSS : VDS=2V 500 IT04752 PD -- Ta 120 0.8 7 ∆GVV -- IDSS 0 IT04751 1.0 500 IT04748 3 500 THD -- IDSS 1.2 400 Drain-to-Source Voltage, VDS -- V Reduced Voltage Characteristics, ∆GVV -- dB GV : VCC=2V VIN=10mV f=1kHz RL=2.2kΩ Cin=5pF IDSS : VDS=2V 300 Crss -- VDS 3 0.1 7 GV -- IDSS --0.5 200 Drain Current, IDSS -- µA 5 10 1.0 0.1 100 IT04747 Ciss -- VDS 2 Input Capacitance, Ciss -- pF 1.8 500 Drain Current, IDSS -- µA Voltage Gain, GV -- dB VDS=2V VGS=0 f=1kHz 0.6 0 Total Harmonic Distortion, THD -- % yfs -- ID 2.0 VDS=2V ID=1µA Forward Transfer Admittance, yfs -- mS 0.7 100 80 60 40 20 0 0 100 200 300 Drain Current, IDSS -- µA 400 500 IT04753 0 20 40 60 80 100 120 Ambient Temperature, Ta -- °C 140 160 ITR02650 No.7281-3/4 TF222 Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO products(including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be expor ted without obtaining the expor t license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Electric Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of September, 2003. Specifications and information herein are subject to change without notice. PS No.7281-4/4