MAX9813H データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated
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MAX9813H
Dallas Semiconductor -> Maxim Integrated
MAX9813H Datasheet PDF : 11 Pages
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Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain
Microphone Amplifiers with Integrated Bias
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 3.3V, IBIAS = 500µA (MAX9812L/MAX9813L), VCC = 5V, IBIAS = 800µA (MAX9812H/MAX9813H), GND = 0V, RL = open,
SHDN = VCC, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
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
Off-Isolation
Vn
22Hz to 22kHz BW, inputs at AC GND
Input referred, MAX9813 1kHz
only
10kHz
5
µVRMS
75
dB
60
Total Harmonic Distortion Plus
Noise
THD+N
f = 1kHz, RL = 10kΩ to
VCC/2, BW = 22Hz to
22kHz
VOUT = 1VP-P
(L version)
VOUT = 4VP-P
0.04
0.015
%
(H version)
BIAS
Bias Output Voltage Range
Bias Output Resistance
Power-Supply Rejection Ratio
(VCC to BIAS)
VBIAS
RBIAS
PSRRBIAS
MAX9812L/MAX9813L
MAX9812H/MAX9813H
DC, TA = +25°C
f = 217Hz
f = 1kHz
2.1
2.30 2.55
V
3.6
4.0
4.4
0.1
Ω
70
80
80
dB
75
BIAS Current Limit
BIAS Capacitive-Load Stability
Total Integrated BIAS Noise
DIGITAL INPUTS (SHDN, IN1/IN2)
Logic-Low Threshold
Logic-High Threshold
Logic Input Current
IBIAS_SC
CBIAS
Vn
VIL
VIH
IIN
f = 10kHz
BIAS short to GND
No sustained oscillations
22Hz to 22kHz BW
SHDN = GND or VCC
55
5
22
50
mA
50
pF
29
µVRMS
0.8
V
2.0
V
±1
µA
Shutdown Enable Time
tSHDN_ON 95% of settled value
10
ms
Shutdown Disable Time
tSHDN_OFF
50
µs
IN1/IN2 Select Time
tSEL
10
µs
Note 1: All specifications are 100% tested at TA = +25°C. Temperature limits are guaranteed by design.
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