N-Channel Junction FET
RJN1163
Electret Capacitor Microphone Applications
Features
Specially suited for use in audio and telephone electret capacitor microphones Excellent voltage gain Very low noise High ESD voltage Ultra-small size package
Package Type : SOT-300
[unit:mm]
1.60±0.05 0.31±0.03 0.12±0.03
3
1.40±0.01 0.80±0.05
0~0.02
Applications
Cellular phones Portable audio PDAs MP3 players
1
0.21±0.03 0.5±0.05
2
0.21±0.03 0.5±0.05 MAX 0.34
[TOP VIEW]
[SIDE VIEW]
1. Drain
2. Source
3. Gate
Absolute Maximum Ratings at Ta = 25 oC
Parameter Gate-to-Drain Voltage Gate Current Drain Current Allowable Power Dissipation Junction Temperature Storage Temperature Symbol VGDO IG ID PD Tj Tstg Ratings -20 10 10 100 150 -55 to +150 Unit V mA mA mW
o o
C C
Electrical Characteristics at Ta = 25 o C
Parameter Gate-to-Drain Breakdown Voltage Cutoff Voltage Zero-Gate Voltage Drain Current Forward Transfer Admittance Input Capacitance Reverse Transfer Capacitance Symbol V(BR)GDO VGS(off) IDSS |yfs| Ciss Crss Conditions IG = -100µA VDS = 5V, ID = 1µA VDS = 5V, VGS = 0 VDS = 5V, VGS = 0, f = 1kHz VDS = 5V, VGS = 0, f = 1MHz VDS = 5V, VGS = 0, f = 1MHz Min -20 -0.2 70* 0.4 Ratings Typ Max -0.6 1.2 3.5 0.8 -1.5 430* Unit V V µA mS pF pF
* The RJN1163 is classified by IDSS as follows Classification A1 IDSS(µA) 70~120
A2 100~170
B 150~270
C 210~350
D 320~430
RFsemi Technologies, Inc.
Rev. 4
RJN1163
Electrical Characteristics
Parameter
o
Symbol
Conditions
Min
Typ -3.0 -1.2
Max
Unit dB dB dB MΩ Ω % dB
[Ta = 25 C , VCC = 4.5V, RL = 1kΩ, CIN = 15pF, See Specified Test Circuit.] Voltage Gain GV VIN = 10 mV, f = 1kHz > VIN = 10 mV, VCC = 4.5 - 1.5V Reduced Voltage Characteristics ∆GVV f = 1kHz to 110Hz Frequency Characteristics ∆GVf Input Impedance ZIN f = 1kHz Output Impedance ZO f = 1kHz Total Harmonic Distortion THD VIN = 10mV, f = 1kHz Output Noise Voltage VNO VIN = 0, A curve
-3.5 -1.0 700
30 1.0 -110
Test Circuit
Voltage Gain Frequency Characteristics Distortion Reduced Voltage Characteristics
1kΩ 15pF 33µF
Vcc = 4.5V Vcc = 1.5V
OSC
B
V THD
A 1kΩ
VTVM
Output Impedance
500
ID - VDS
Drain Current, ID - µA
500
ID - VDS
Drain Current, ID - µA
400
400
300
VGS = 0V -0.1V -0.2V
VGS = 0V
300
200
200
-0.1V -0.2V
100
-0.5V
0 0 1 2 3
-0.3V -0.4V
4 5
100
-0.5V
0 0 2 4 6 8
-0.3V -0.4V
10
Drain - to - Source Voltage, VDS - V
Drain - to - Source Voltage, VDS - V
RFsemi Technologies, Inc.
Rev. 4
RJN1163
VDS = 5V
1,000
Forward Transfer Admittance, l yfs l - mS
ID - VGS
800
5
l yfs l - IDSS
VDS = 5V VGS = 0V f = 1kHz
3 2
600
Drain Current, ID - µA
IDS
S
=
A 0µ 65 4 µA 20 2 µA 00
1 0.7 0.5
400
200
0.3 0.2 50 70 100 200 300 500 700 1000 2000
0 -1.0 -0.8 -0.6 -0.4 -0.2 0.0
Gate - to - Source Voltage, VGS - V
Drain Current, IDSS - µA
2
VGS(off) - IDSS
Input Capacitance, Ciss - pF
20
Ciss - VDS
VGS = 0 f = 1MHz
VDS = 5V ID = 1µA
Cutoff Voltage, VGS(off) - V
-1 0.7 0.5
10 7 5
0.3 0.2
3 2
-0.1 50 70 100 200 300 500 700 1000 2000
1 0.7 1 2 3 5 7 10 20 30
Drain Current, IDSS - µA
Drain - to - Source Voltage, VDS - V
Reverse Transfer Capacitance, Crss - pF
5 3 2
Crss - VDS
VGS = 0 f = 1MHz
2
GV - IDSS
0
Voltage Gain, Gv -dB
-2
1 0.7 0.5 0.3 0.2
-4
-6
-8
GV : VCC = 5V VIN = 10mV RL = 1.0kΩ f = 1kHz IDSS : VDS = 5.0V
50 70 100 200 300 500 700 1000
0.1 0.7 1 2 3 5 7 10 20
-10
Drain - to - Voltage, VDS - V
Drain Current, IDSS - µA
RFsemi Technologies, Inc.
Rev. 4
RJN1163
Reduced Voltage Characteristics, ∆GVV - dB
2 1 0 -1 -2 -3 -4 -5 50 70 100 200
∆GVV : VCC = 4.5V to 1.5V VIN = 10mV f=1kHz IDSS : VDS = 5.0V
Total Harmonic Distortion, THD - %
3
∆GVV - IDSS
THD - IDSS
5 3 2
THD : VCC = 4.5V VIN = 30mV f = 1kHz IDSS : VDS = 5.0V
1
0.7 0.5
0.3 50 70 100
300
500
700
1000
Drain Current, IDSS - µA
Drain Current, IDSS - µA
200
300
500
700
1000
ZIN - IDSS
Input Impedance, ZIN - MΩ
Output Impedance, Zo - Ω
44
42
ZIN : VCC = 4.5V VIN = 10mV f = 1kHz IDSS : VDS = 5.0V
700
ZO - IDSS
ZO : VCC = 4.5V VIN = 10mV f = 1kHz IDSS : VDS = 5.0V
600
500
40
400
38
300
36
200 50 70 100 200 300 500 700 1000
50
70
100
Drain Current, IDSS - µA
200
300
500
700
1000
Drain Current, IDSS - µA
Allowable Power Dissipation, PD -mW
Total Harmonic Distortion, THD - %
120
PD - Ta
30 20
THD - VIN
THD : VCC = 4.5V f = 1kHz IDSS : VDS = 5.0V
0µA = 10 µA 300 A µ 400
100
10 7 5 3 2
80
IDSS
60
40
20
1 0.7 0.5 0 40 80 120 160 200 240
0 0 20 40 60 80 100 120 140 160
o Ambient Temperature, Ta - C
Input Voltage, VIN - mV
RFsemi Technologies, Inc.
Rev. 4