ZTS6156
Low Noise Bottom Port MEMS Microphone
DESCRIPTION
The ZTS6156 is a high quality, low cost, low power
analog output bottom-ported omni-directional MEMS
microphone. ZTS6156 consists of a MEMS microphone
element and an preamplifier. ZTS6156 has a high SNR
and flat wideband frequency response, resulting in
natural sound with high intelligibility. Extra EMI filter for
RF noise attenuation is built inside. Due to the built-in
filter, ZTS6156 shows high immunity to EMI.
The ZTS6156 is available in a thin 2.75mm × 1.85mm ×
0.9mm surface-mount package. It is reflow solder
compatible with no sensitivity degradation. The ZTS6156
is Halogen and Lead free.
FEATURES
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Small package
Flat Frequency Response SNR of 64dBA
Low Current
MaxRF protection
Ultra-Stable Performance
Standard SMD Reflow
Omni-directional
Pins Configuration and Description
Bottom View
APPLICATIONS
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Mobile telephones
Smart phones
PDAs
Digital video cameras
Portable media devices with audio input
ORDERING INFORMATION
PART
ZTS6156
RoHS
Yes
Ship, Quantity
Tape and Reel, 5.2K
TOP
BOTTOM
Typical Applications
The ZTS6156 output can be connected to a codec microphone input or to a high input impedance gain stage.
A dc-blocking capacitor is required at the output of the microphone.
Connect to Audio CODEC
Note:
All Ground pins must be connected to ground.
Capacitors near the microphone should not contain Class 2 dielectrics.
DS-1.5
Confidential
-1-
Copyright © ZillTek Technology Corp.
5F.,No.6‐1,Dusing Rd., Hsinchu Science
Park, Hsinchu City 30078,Taiwan.
Tel: (886) 3577 7509; Fax: (886) 3577 7390
Email: sales@zilltek.com
ZTS6156
Absolute Maximum Ratings
V
DD
to Ground ………………………………............ -0.5V to +5V
OUT to Ground …………………………………. -0.3V to V
DD
+0.3V
Input Current to Any Pin ………………….………………..
±
5 mA
Temperature Range …………………………… –40°C to +100°C
CAUTION:
Stresses above those listed in “Absolute
Maximum Ratings” may cause permanent damage to
the device. This is a stress only rating and operation of
the device at these or any other conditions above those
indicated in the operational sections of this specification
is not implied.
Electro-Static Discharge Sensitivity
This integrated circuit can be damaged by ESD.
It is recommended that all integrated circuits
be handled with proper precautions. Failure
to observe proper handling and installation procedures
can cause damage. ESD damage can range from subtle
performance degradation to complete device failure.
Pins Description
Pin
1
2
3
Symbol
VDD
OUT
GND
Description
Power Supply.
Analog output signal.
Ground
Functional Block Diagram
DS-1.5
Confidential
-2-
Copyright © ZillTek Technology Corp.
5F.,No.6‐1,Dusing Rd., Hsinchu Science
Park, Hsinchu City 30078,Taiwan.
Tel: (886) 3577 7509; Fax: (886) 3577 7390
Email: sales@zilltek.com
ZTS6156
Specifications
(TEST CONDITIONS: 23 ±2°C, 55±20% R.H., V
DD
(min) ≤ V
DD
≤ V
DD
(max), no load, unless otherwise indicated.)
PARAMETER
Supply Voltage
1
Supply Current
1,2
Sensitivity
1
Signal to Noise Ratio
Total Harmonic Distortion
Acoustic Overload Point
Power Supply Rejection Ratio
Power Supply Rejection
DC Output
Output Impedance
Directivity
Polarity
Symbol
V
DD
I
DD
S
SNR
THD
AOP
PSRR
PSR
Z
OUT
CONDITIONS
MIN
1.5
-
-39
-
-
TYP
-
80
-38
64
-
130
-
-
-
-
75
-99
MAX
3.6
150
-37
-
0.5
-
-
-
UNIT
V
μA
dBV/Pa
dB(A)
%
dB SPL
dB
dBV(A)
94 dB SPL @ 1 kHz
94 dB SPL @ 1 kHz,
A-weighted
110 dB SPL @ 1 kHz,
10% THD @ 1 kHz,S = Typ, V
DD
= 3.6V, R
load
> 2 k
200mVpp sinewave
@ 1 kHz, V
DD
= 1.8V
100 mVpp square wave @ 217
Hz, V
DD
= 1.8V, A-weighted
V
DD
= 1.5V
@ 1 kHz
Increasing sound pressure
0.7
-
V
200
350
Omni-directional
Increasing output pressure
Note:
1
100% tested
2
Maximum specifications are measured at maximum V
DD
. Typical specifications are measured at V
DD
= 1.8V.
DS-1.5
Confidential
-3-
Copyright © ZillTek Technology Corp.
5F.,No.6‐1,Dusing Rd., Hsinchu Science
Park, Hsinchu City 30078,Taiwan.
Tel: (886) 3577 7509; Fax: (886) 3577 7390
Email: sales@zilltek.com
ZTS6156
Typical Performance Characteristics
DS-1.5
Confidential
-4-
Copyright © ZillTek Technology Corp.
5F.,No.6‐1,Dusing Rd., Hsinchu Science
Park, Hsinchu City 30078,Taiwan.
Tel: (886) 3577 7509; Fax: (886) 3577 7390
Email: sales@zilltek.com
ZTS6156
Reliability Specifications
The microphone sensitivity after stress must deviate by no more than ±3dB from the initial value.
1.Heat Test, Operational
Temperature: 125±3
o
C
Duration: 1000 hours
Voltage: Applied
Temperature: -40±3
o
C
Duration: 1000 hours
Voltage: Applied
Temperature: 125±3
o
C
Duration: 1000 hours
Voltage: Not Applied
Temperature: -40±3
o
C
Duration:1000 hours
Voltage: Not Applied
Temperature: -40±3°C and 125±3°C
Duration: 30 minutes each, during 5
minutes ramp, 256 cycles
Voltage: Not applied
Temperature: 85±3°C
Humidity: 85±3%RH
Duration: 1000 hours
Temperature: 65±3°C
Humidity: 95±3%RH
Duration: 168 hours
Placed inside test fixture and dropped on
concrete from height 1.5m.
4 times by each surface and corner
4 cycles of 20 to 2000 Hz sinusoidal sweep
with 20G peak acceleration lasting 12
minutes in X, Y, and Z directions
5 pulses of 10000g in each of the
±X, ±Y,
and
±Z
directions
Capacitance: 150pF
Resistance: 330Ω
Duration: 10 times
Air Discharge: Level 4(+/-15kV)
Direct contact discharge: Level 4 (+/-8kV)
±2000
Volt
±250
Volt
5 reflow cycles with peak temperature of
260℃
245 5
o
C ,5sec, 95% Tin on pad surface
300 tumbles from a height of 1m onto a steel
base.
Temperature: 130±3°C
Humidity: 85±3%RH
Duration: 96 hours
Voltage: Applied
0.45MPa, distance 3cm, time 10s
2.Cold Test, Operational
3.Heat Test, Non-Operational
4.Cold Test, Non-Operational
5.Thermal Shock Test, Non-Operational
6.Temperature humidity storage
7.Free Fall Test 1.5m
8.Vibration
9.Mechanical Shock
10.Electrostatic Discharge Test
11.Human Body Mode
12.Charged-Device Model
13.Reflow
14. Solderability
15. Tumble test
16. HAST
17. Air Blow
DS-1.5
Confidential
-5-
Copyright © ZillTek Technology Corp.
5F.,No.6‐1,Dusing Rd., Hsinchu Science
Park, Hsinchu City 30078,Taiwan.
Tel: (886) 3577 7509; Fax: (886) 3577 7390
Email: sales@zilltek.com
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