DFG-30445-000 Knowles Acoustics, DFG-30445-000 Datasheet - Page 5
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DFG-30445-000
Manufacturer Part Number
DFG-30445-000
Description
MIC SUPER CARTOID UNI DIRECT FG
Manufacturer
Knowles Acoustics
Series
DFGr
Type
Electret Condenserr
Specifications of DFG-30445-000
Sensitivity
-69dB ±4dB
Voltage - Rated
1.3V
Current
50µA
Size / Dimension
Circular - 2.56mm Dia x 2.69mm H
S/n Ratio
-
Filter Type
13pF
Impedance
1.7K Ohm
Frequency
100Hz ~ 5kHz
Termination
Solder Pads
Direction
Unidirectional
Port Location
Bottom and Top
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
423-1150
Ultrasonic Acoustic Sensor
Derived from our industry-leading MEMS silicon surface mount microphone technology,
our new ultrasonic sensor designs function on a high frequency band. Sensor designs
are possible across a wide spectrum of applications requiring highly miniaturized
solutions for sensing and actuation/signaling.
Ultra Mini Package
Slim-Ultra Mini Package
Note: All performance curves are typical
Model
SPM0404UD5
Model
SPUL409HE5H
SPU0409HD5H
SPU0410HR5H
SPU0414HR5H
Model
SPQ0410HE5H
Description
Description
Description
Unity Gain
Unity Gain
Unity Gain
Unity Gain
Unity Gain
Amplified
•
•
•
•
•
•
•
•
•
High frequency functionality
Wide range of applications
Micro-sized sensing and actuation
and built in amplifier
24% reduction of footprint (8.4mm
the Ultra-Mini Package
Designs available with/without RF Filtering
Ideal for miniature consumer electronics
New Ultra Mini with footprint of 11mm
Flexible designs available with/without RF filtering
Ideal for miniature consumer electronics
Directivity
Directivity
Directivity
Omni
Omni
Omni
Omni
Omni
Omni
Supply Voltage Sensitivity @1kHz
Supply Voltage
Supply Voltage
(min-max)
(min-max)
(min-max)
1.5 to 3.6v
1.5 to 3.6v
1.5 to 3.6v
1.5 to 3.6v
1.5 to 3.6v
1.5 to 3.6v
www.knowles.com
2
) from
RF Immunity
RF Immunity
2
(dB re1V/1Pa)
Enhanced
Enhanced
Standard
Max-RF
Max-RF
-42.0
Sensitivity @1kHz
Sensitivity @1kHz
(dB re1V/1Pa)
(dB re1V/1Pa)
Impedance
(Ohms)
-42.0
-42.0
-42.0
-22.0
-42.0
Output
<100
MICROPHONES – MEMS
-10
-15
-20
-10
-15
-20
-10
-15
-20
20
15
10
20
15
10
-5
20
15
10
-5
-5
5
0
5
0
5
0
1k
100
100
Impedance
Impedance
2
Drain (mA)
2
2
Maximum
Current
(Ohms)
(Ohms)
Output
Output
<0.25
<300
<100
<400
<400
<400
3
3
3
4 5 6 7 8 9
4 5 6 7 8 9
4 5 6 7 8 9
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
1k
1k
Drain (mA)
Drain (mA)
Maximum
Maximum
2
2
2
Current
Current
<0.25
<0.25
<0.25
<0.35
<0.25
3
3
3
4 5 6 7 8 9
4 5 6 7 8 9
4 5 6 7 8 9
10k
10k
100k
5