Fairchild FJX597JB Capacitor microphone application Datasheet

FJX597JB
FJX597JB
Capacitor Microphone Applications
3
• Especially Suited for use in Audio, Telephone Capacitor Microphones
• Excellent Voltage Characteristic
• Excellent Transient Characteristic
2
1
SOT-323
Marking: SCB
1. Drain 2. Source 3. Gate
Si N-channel Junction FET
Absolute Maximum Ratings Ta=25°C unless otherwise noted
Symbol
VGDO
Gate-Drain Voltage
Parameter
Ratings
-20
Units
V
IG
Gate Current
10
mA
ID
Drain Current
1
mA
PD
Power Dissipation
100
mW
TJ
Junction Temperature
150
°C
TSTG
Storage Temperature
-55 ~ 150
°C
Electrical Characteristics Ta=25°C unless otherwise noted
Symbol
BVGDO
Parameter
Gate-Drain Breakdown Voltage
Test Condition
IG= -100uA
VGS(off)
Gate-Source Cut-off Voltage
VDS=5V, ID=1µA
IDSS
Drain Current
VDS=5V, VGS=0
150
lYFSl
Forward Transfer Admittance
VDS=5V, VGS=0, f=1MHz
0.4
1.2
mS
CISS
Input Capacitance
VDS=5V, VGS=0, f=1MHz
3.5
pF
CRSS
Output Capacitance
VDS=5V, VGS=0, f=1MHz
0.65
pF
©2004 Fairchild Semiconductor Corporation
Min.
-20
Typ.
Max.
Units
V
-0.6
-1.5
V
240
µA
Rev. A, October 2004
FJX597JB
Typical Characteristics
500
1000
IDSS = 200µA
450
ID[µA], DRAIN CURRENT
ID[µA], DRAIN CURRENT
400
350
300
250
VGS = 0
200
150
VGS = -0.1V
100
1
2
3
4
5
6
700
600
VGS = 0
500
400
VGS = -0.1V
300
VGS = -0.2V
7
8
9
VGS = -0.3V
VGS = -0.4V
100
VGS = -0.4V
VGS = -0.3V
0
0
800
200
VGS = -0.2V
50
IDSS = 500µA
900
VGS = -0.5V
10
0
1
2
1.6
VDS = 5V
ID[mA], DRAIN CURRENT
1.4
1.2
1.0
0.8
0.6
0.4
0.2
-1.2
-1.0
-0.8
6
7
8
9
10
-0.6
-0.4
-0.2
0.0
VDS = 5V
VGS = 0
f=1kHz
1
0.1
0.1
1
IDSS[mA], DRAIN CURRENT
Figure 4. yFS-IDSS
Figure 3. ID-VGS
-10
100
VDS = 5V
ID = 1µA
-1
CISS[pF], INPUT CAPACITANCE
VGS(off)[V], GATE-SOURCE CUT-OFF VOLTAGE
5
10
VGS[V], GATE-SOURCE VOLTAGE
- 0.1
4
Figure 2. ID-VDS
lFSl [ms], FORWARD TRANSFER ADMITTANCE
Figure 1. ID-VDS
-1.4
3
VDS[V], DRAIN-SOURCE VOLTAGE
VDS[V], DRAIN-SOURCE VOLTAGE
0.0
-1.6
VGS = -0.6V
0
10
1
0.1
1
IDSS[mA], DRAIN CURRENT
Figure 5. VGS(off)-IDSS
©2004 Fairchild Semiconductor Corporation
1
10
VDS[V], DRAIN-SOURCE VOLTAGE
Figure 6. CISS-VDS
Rev. A, October 2004
FJX597JB
Typical Characteristics (Continued)
140
VGS = 0
f = 1MHz
1
120
PD[mW], POWER DISSIPATION
Crss[pF], OUTPUT CAPACITANCE
10
100
80
60
40
20
0
0.1
1
10
VDS[V], DRAIN-SOURCE VOLTAGE
Figure 7. CRSS-VDS
©2004 Fairchild Semiconductor Corporation
0
25
50
75
100
125
150
o
Ta[ C], AMBIENT TEMPERATURE
Figure 8. PD-TA
Rev. A, October 2004
FJX597JB
Package Dimensions
SOT-323
2.00±0.20
3°
1.25±0.10
2.10±0.10
0.95±0.15
0.90
±0.10
+0.05
0.05 –0.02
1.00±0.10
1.30±0.10
0.275±0.100
3°
+0.04
0.135 –0.01
0.10 Min
Dimensions in Millimeters
©2004 Fairchild Semiconductor Corporation
Rev. A, October 2004
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NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
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FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR
CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems
2. A critical component is any component of a life support
which, (a) are intended for surgical implant into the body,
device or system whose failure to perform can be
or (b) support or sustain life, or (c) whose failure to perform
reasonably expected to cause the failure of the life support
when properly used in accordance with instructions for use
device or system, or to affect its safety or effectiveness.
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result in significant injury to the user.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Formative or In
Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary
First Production
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
No Identification Needed
Full Production
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete
Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
©2004 Fairchild Semiconductor Corporation
Rev. I13
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