SPM0404LE5H-QB Knowles Acoustics, SPM0404LE5H-QB Datasheet - Page 3

• Manufacturer Part Number: SPM0404LE5H-QB
• Description: MIC SISONIC SMD 1.5-3.6V MINI
• Manufacturer: Knowles Acoustics
• Series: SiSonic™r
• Type: MEMS (Silicon) - Analogr

Specifications of SPM0404LE5H-QB

• Sensitivity: -38dB ±3dB
• Voltage - Rated: 1.5 ~ 3.6V
• Current: 250µA
• Size / Dimension: Rectangular - 4.72mm L x 3.76mm W x 1.25mm H
• S/n Ratio: 59dB
• Impedance: 300 Ohm
• Frequency: 100Hz ~ 8kHz
• Termination: Surface Mount
• Direction: Omnidirectional
• Port Location: Top
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Filter Type: -
• Other names: 423-1125-2; SPM0204LE5H-2; SPM0404LE5H; SPM0404LE5H-QB-2

Sensitivity Loss across
Maximum Input Sound
Typical Input Referred
Current Consumption
Signal to Noise Ratio
Output impedance
Supply Voltage
Sensitivity
Directivity
-10.0
Voltage
4. ACOUSTIC & ELECTRICAL SPECIFICATIONS
5. FREQUENCY RESPONSE CURVE
10.0
Noise
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
Level
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
100
Symbol
Z
ENL
I
S/N
DSS
Vs
OUT
S
Knowles Acoust ics, a division of Knowles
Change in sensitivity over 3.6v
1000
across 1.5 to 3.6 volts
@ 1kHz (0dB=1V/Pa)
@ 1kHz (0dB=1V/Pa)
@ 1kHz (0dB=1V/Pa)
Elect r onics, LLC.
Omni-directional
A-weighted
Condition
to 1.5v
Frequency (Hz)
SPM0204LE5H-QB
At 115dB SPL, THD = < 10%
At 100dB SPL, THD < 1%
10000
0.100
Min.
No Change Across Voltage
-41
n/a
1.5
n/a
55
Range
Limits
Nom.
-38
n/a
n/a
n/a
59
35
Revision: A
0.250
Max.
300
-35
n/a
3.6
n/a
3 of 10
100000
dBA SPL
Unit
mA
dB
dB
dB
dB
V