規 格 承 認 書
PECIFICATION FOR APPROVAL
客 戶
CUSTOMER
項 目
ITEM
型 號
:
:
驻极体咪头(ECM)
TYPE
: GMI6027P-30-66DB 通用型(灵敏度-30~-66DB)
描述
DESCRIPTION :
φ6.0 x H2.7 mm -30~-66dB 2.0V ≤2.2KΩ S/N: ≥58 dBA
客戶料號
CUSTOMER NO. :
規 格 書 號
SPECIFICATION NO.:
版 本
EDITION NO.
日 期
DATE
:
V1.1
:
20
客戶承認
CUSTOMER CONFIRM AND SIGN
檢查
TESTED BY
審核
CHECKED BY
承認
APPROVED BY
東莞市赢海電子有限公司
DONGUAN INGHAI ELECTRONICS CO.,LTD
製作
ISSUED BY
審查
CHECKED BY
周明
李林
確認
APPROVED BY
地址:廣東省東莞市長安鎮廈邊元灶頭工業區 16-6 號
電話 / TEL:0769-83060958
傳真 / FAX: 0769-81608993
網址:HTTP://WWW.INGHAI.COM
1/6
A. SCOPE
This specification applies electret condenser microphone, GMI6027P-30-66DB
B. SPECIFICATION
■Test condition: RL=2.2KΩ
No.
Item
1
Directivity
2
Sensitivity
3
Standard operating voltage
VS=2.0V TEMP=25℃±2℃
Symbol
Unit
Specification
Related humidity=65±5%
Condition
Omnidirectional
f=1KHz,1Pa
S
dB
-30~-66±3
Vs
V
2.0
Zout
KΩ
≤2.2
0dB=1V/Pa
4
Output impedance
f=1KHz, 1Pa
5
Frequency
Hz
100-10000
6
Max operating voltage
V.
10
7
Sensitivity reduction
△S-Vs
dB
-3
8
Max. current consumption
IDSS
mA
≤0.5
9
Signal to noise ration
S/N
dBA
≥58
10
Max. Sound Pressure Level
S.P.L
dB
110
11
Operation temp.
℃
-30 ~+70
12
Storage temp.
℃
-40 ~+85
13
Dimension
mm
φ6.0 x H2.7
See appearance drawing
14
Terminal
Terminal
See appearance drawing
f=1KHz, 1Pa
Vs=1.5VDC to 3.0VDC
f=1KHz, P in=1Pa
We use “Pascal(Pa)”indication of sensitivity as per the recommendation of I.E.C.(International Electro technical
Commission)
TheSensitivity of “Pa” will increase 20dB comparing with “ubar” indication
Example: -60dB(0dB=1V/ubar) =-40dB(1V/Pa)
2/6
C.TYPICAL FREQUENCY RESPONSE CURVE
Relative Response (dB)
全指向性
+15
+10
+5 +3
0
-5
-6
-10
-15
-20
100
F req u en cy R esp o n se
+3
-3
+8
+3
-3
+8
-3
-8
200
500
1K
3K
Frequency(Hz)
5K
10K
Filter
0.15±0.05
2.8±0.2
0.9
1.9±0.05
6.0±0.1
5.5±0.1
2.7±0.2
2- 0.4±0.05
D. APPEARANCE DRAWING
E. MEASUREMENT CIRCUIT
.
3/6
F. Explode Drawing
NO. PARTS
PCB
Connecter
Holder
Back plate
Spacer
Film(FEP)
Outer most shell(Al)
Protection fleece
Capacitance
4/6
G. Reliability Test
经过以下所有试验在 20℃的条件下放置 3 小时后,麦克风的灵敏度与试验前比较变化在 3dB 以内
After any following tests, the sensitivity of the microphone to be within ±3dB of initial sensitivity after
3hours of conditioning at 20℃
5-1 振动试验
Vibration
5-2 高温试验
Dry Heat
5-3 低温试验
Dry Cold
5-4 高温高湿试验
Damp Heat
5-5 温度循环试验
Temperature cycles
5-6 跌落试验
Packing drop test
周波数 1/Frequency1:10Hz~55Hz
振幅/Amplitude:1.52mm
变化/Change of Frequency:1 octave/min
3 方向,各 2 小时/hours in each of 3 axes
+80±5℃ for 96 hours
-40±5℃ for 96 hours
90%~95%RH,+60±5℃ for 96 hours
-20℃
25℃
70℃
(2h) (1h) (2h) (1h) (2h) ⅹ10 cycles
Height:1m
顺序:三个面各跌 10 次
Procedure:10 times from each of 3 axises
-20℃
70℃
30min 30s
30min ⅹ10 cycles
5-7 温度冲击试验
Temperature impact test
5-8 静电冲击试验
Electrostatic shock test
备注 Note
6-1 工作温度范围
Operation Temperature
-30℃~70℃
6-2 储存温度范围
Storage Temperature
-40℃~85℃
6000V(contact), 10000V(air)
ⅹ10 axises
H. Soldering Condition
7-1 焊接使用 90W 的烙铁。
The soldering copper of a type of 90W shall be applied
焊接条件
Soldering Condition.
7-2 电烙铁表面温度 320±10℃
The temperature of the working surface of the soldering copper shall be 320±10℃
7-3 焊接时把麦克风嵌入散热能力强的金属块内。
ECM shall be soldered fixed on the metal block(heat sink)which has the higher radiation effects said
heat sink
5/6
Shall contact with of ECM.
7-4 焊接时间控制在 2~3 秒内。
time for each terminal shall be 2~3 sec.
7-5 焊接后不能出现针孔。
The pinhole after soldering shall be avoided.
7-6 静电容易破坏麦克风必须采取措施避免(电烙铁接地,戴静电环等。)
ECM may easily destroyed by the static electricity and the countermeasure for eliminating the static
electricity (the ground for soldering copper, for worktable and for human body) shall be executed.
7-7 散热板形状
Shape of heat sink
7-8 固定部孔形状 Shape of hole at fixed part
unit:mm
6/6
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