参数资料
型号: MAX9813LEKA+T
厂商: Maxim Integrated Products
文件页数: 4/10页
文件大小: 0K
描述: IC AMP AUDIO MONO AB MIC SOT23-8
标准包装: 1
类型: AB 类
输出类型: 1-通道(单声道)
电源电压: 2.7 V ~ 3.6 V
特点: 输入多路复用器,麦克风,关机,热保护
安装类型: 表面贴装
供应商设备封装: SOT-23-8
封装/外壳: SOT-23-8
包装: 标准包装
其它名称: MAX9813LEKA+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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