K1109.pdf 데이터시트 (총 4 페이지) - 파일 다운로드 K1109 데이타시트 다운로드

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UNISONIC TECHNOLOGIES CO., LTD
K1109
N-CHANNEL JFET FOR
ELECTRET CONDENSER
MICROPHONE
N-CHANNEL JFET
DESCRIPTION
The UTC K1109 is N-channel JFET for electrets condenser
microphone.
FEATURES
* High GM Implies Low Transfer loss
* Built-In Gate-Source Diode and Resistor Implies Fast Power on
Settling Time
ORDERING INFORMATION
Ordering Number
K1109G-x-AE3-R
K1109G-x-AQ3-R
Note: Pin Assignment: S: Source D: Drain
G: Gate
Package
SOT-23
SOT-723
Pin Assignment
123
SDG
SDG
Packing
Tape Reel
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
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K1109
N-CHANNEL JFET
ABSOLUTE MAXIMUM RATINGS (unless otherwise specified )
PARAMETER
SYMBOL
RATINGS
UNIT
Drain-Source Voltage
Gate-Drain Voltage
VDSX
VGDO
20
-20
V
V
Drain Current
Gate Current
ID
IG
10 mA
10 mA
Power Dissipation
Junction Temperature
PD
TJ
80
+125
mW
°C
Storage Temperature
TSTG
-55 ~ +125
°C
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 (TJ=25°C, unless otherwise specified)
PARAMETER
Drain Current
Gate Off Voltage
Forward Transfer Admittance
Input Capacitance
Noise Voltage
SYMBOL
IDSS
VGS(OFF)
lYFSl
CISS
NV
TEST CONDITIONS
VDS=2.0V, VGS=0
VDS=5.0V, ID=1.0A
VDS=5.0V, VGS=0, f=1kHz
VDS=5.0V, VGS=0, f=1.0MHz
MIN TYP MAX UNIT
40 600 μA
-0.1 -1.0 V
600 1600
μS
7.0 8.0 pF
1.8 3.0 μV
CLASSIFICATION OF IDSS
RANK
RANGE
J32
40-70
J33
60-110
J34
90-180
J35
150-300
J36
200-450
J37
300-600
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 4
QW-R206-009.O

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K1109
TEST CIRCUIT
N-CHANNEL JFET
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 4
QW-R206-009.O