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參數(shù)資料
| 型號： | MAX9812LEXT+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO MONO AB MIC SC70-6 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | AB 類 |
| 輸出類型： | 1-通道（單聲道） |
| 電源電壓： | 2.7 V ~ 3.6 V |
| 特點： | 麥克風(fēng)，關(guān)機(jī)，熱保護(hù) |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | SC-70-6 |
| 封裝/外殼： | 6-TSSOP，SC-88，SOT-363 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1392 (CN2011-ZH PDF) |
| 其它名稱： | MAX9812LEXT+TDKR |
3
Maxim Integrated
MAX9812/MAX9813
Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain
Microphone Amplifiers with Integrated Bias
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 3.3V, IBIAS = 500A (MAX9812L/MAX9813L), VCC = 5V, IBIAS = 800A (MAX9812H/MAX9813H), VGND = 0V, RL = open,
SHDN = VCC, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25
°C.) (Note 1)
Note 1: All specifications are 100% tested at TA = +25°C. Temperature limits are guaranteed by design.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Amplifier Input Voltage-Noise
Density
en
Inputs at AC GND
f = 1kHz
40
nV/
√Hz
Total Integrated Input Noise
Vn
22Hz to 22kHz BW, inputs at AC GND
5
VRMS
1kHz
75
Off-Isolation
Input referred, MAX9813
only
10kHz
60
dB
VOUT = 1VP-P
(L version)
0.04
Total Harmonic Distortion Plus
Noise
THD+N
f = 1kHz, RL = 10k
to
VCC/2, BW = 22Hz to
22kHz
VOUT = 4VP-P
(H version)
0.015
%
BIAS
MAX9812L/MAX9813L
2.1
2.30
2.55
Bias Output Voltage Range
VBIAS
MAX9812H/MAX9813H
3.6
4.0
4.4
V
Bias Output Resistance
RBIAS
0.1
DC, TA = +25°C
70
80
f = 217Hz
80
f = 1kHz
75
Power-Supply Rejection Ratio
(VCC to BIAS)
PSRRBIAS
f = 10kHz
55
dB
BIAS Current Limit
IBIAS_SC
BIAS short to GND
5
22
50
mA
BIAS Capacitive-Load Stability
CBIAS
No sustained oscillations
50
pF
Total Integrated BIAS Noise
Vn
22Hz to 22kHz BW
29
VRMS
DIGITAL INPUTS (
SHDN, IN1/IN2)
Logic-Low Threshold
VIL
0.8
V
Logic-High Threshold
VIH
2.0
V
Logic Input Current
IIN
SHDN = GND or VCC
±1A
Shutdown Enable Time
tSHDN_ON
95% of settled value
10
ms
Shutdown Disable Time
tSHDN_OFF
50
s
IN1/IN2 Select Time
tSEL
10
s
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