UTC TF202
CAPACITOR MICROPHONE
APPLICATIONS
FEATURES
*Ultrasmall-sized package permitting TF202 appliedses to
be made small and slim.
*Especially suited for use in audio,telephone capacitor
microphones.
*Excellent voltage charactristic.
*Excellent transient characteristic.
*Adoption of FBET process.
N-CHANNEL JFET
2
1
3
SOT-113
1:SOURCE
2:DRAIN
3. GATE
ABSOLUTE MAXIMUM RATINGS
( Ta=25°C ,unless otherwise specified )
PARAMETER
Gate Drain Voltage
Gate Current
Drain Current
Power Dissipation
Junctin Temperature
Storage Temperature
SYMBOL
V
GDO
I
G
I
D
P
D
Tj
T
STG
RATING
-20
10
1
100
150
-55~+150
UNIT
V
mA
mA
mW
°C
°C
ELECTRICAL CHARACTERISTICS
(Ta=25°C,unless otherwise specified)
PARAMETER
Gate Drain Breakdown Voltage
Gate Source Cut off Voltage
Drain Current
Forward Transfer Admittance
Input Capacitance
Output Capacitance
SYMBOL
B
(BR)GDO
V
GS(off)
I
DSS
lY
FS
l
C
ISS
C
RSS
TEST CONDITIONS
I
G
=-100µA
V
DS
=5V,I
D
=1µA
V
DS
=5V,V
GS
=0
V
DS
=5V,V
GS
=0,f=1KHz
V
DS
=5V,V
GS
=0,f=1MHz
V
DS
=5V,V
GS
=0,f=1MHz
MIN
-20
-0.2
140
0.5
TYP
-0.6
1.2
3.5
0.65
MAX
-1.2
500
UNIT
V
V
µA
mS
pF
pF
CLASSIFICATION OF I
DSS
RANK
I
DSS
(µA)
E4
140-240
E5
210-350
E6
320-500
UTC
UNISONIC TECHNOLOGIES CO. LTD
1
QW-R210-001,A
UTC TF202
TEST CIRCUIT(Ta=25°C)
N-CHANNEL JFET
PARAMETER
Voltage Gain
Reduced Voltage Characteristic
Frequency Characteristic
Input Resistance
Output Resistance
Total Harmonic distortion
Output Noise Voltage
SYMBOL
Gv
∆GvV
∆Gvf
Z
IN
Z
O
THD
V
NO
TEST CONDITIONS
V
IN
=10mV, f=1KHz
V
IN
=10mV, f=1KHz,
Vcc=4.5V→1.5V
f=1KHz to 110Hz
f=1KHz
f=1KHz
V
IN
=30mV, f=1KHz
V
IN
=0, A CURVE
MIN
TYP
-3
-1.2
MAX
-3.5
-1
UNIT
dB
dB
dB
MΩ
Ω
%
dB
25
700
1
-110
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.
UTC
UNISONIC TECHNOLOGIES CO. LTD
2
QW-R210-001,A
Embedded System
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EEWORLD
