MAX9812(2014) データシートの表示（PDF） - Maxim Integrated
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MAX9812
(Rev.:2014)
(Rev.:2014)
Maxim Integrated
MAX9812 Datasheet PDF : 10 Pages
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MAX9812/MAX9813
Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain
Microphone Amplifiers with Integrated Bias
ABSOLUTE MAXIMUM RATINGS
(All voltages referenced to GND.)
VCC ........................................................................-0.3V to +6.0V
All Other Pins..............................................-0.3V to (VCC + 0.3V)
Continuous Current (IN, SHDN, IN1, IN2, IN1/IN2)...........±20mA
OUT, BIAS Short-Circuit Duration (to GND or VCC) ...Continuous
Continuous Power Dissipation (TA = +70°C)
SC70 (derate 3.1mW/°C above +70°C) .......................245mW
SOT23 (derate 8.9mw/°C above +70°C) .....................714mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC = 3.3V, IBIAS = 500µA (MAX9812L/MAX9813L), VCC = 5V, IBIAS = 800µA (MAX9812H/MAX9813H), VGND = 0V, RL = open,
SHDN = VCC, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
GENERAL
Supply Voltage Range
Supply Current
Shutdown Supply Current
Amplifier Output Bias Voltage
Input Resistance
Voltage Gain
Power-Supply Rejection Ratio
Output Voltage Swing
Output Short-Circuit Current
Small-Signal -3dB Bandwidth
Output Capacitive-Load Stability
Output Impedance
Output Slew Rate
SYMBOL
CONDITIONS
VCC
ICC
ICC_SHDN
VOUT_DC
RIN
AV
PSRROUT
MAX9812L/MAX9813L
MAX9812H/MAX9813H
IBIAS = 0A
SHDN = GND
MAX9812L/MAX9813L
MAX9812H/MAX9813H
Inferred from
PSRR test
DC
f = 217Hz
Input referred, TA = +25°C f = 1kHz
f = 10kHz
RL = 10kΩ to VCC/2
VOH
RL = 1kΩ to VCC/2
VOL
IOUT_SC
BW
CL
ZOUT
SR
RL = 10kΩ to VCC/2
RL = 1kΩ to VCC/2
Sinking or sourcing
VOUT = 10mVP-P
No sustained oscillations
f = 1kHz
VOUT = 1V step
MIN TYP MAX UNITS
2.7
3.6
V
4.5
5.5
230 400
µA
0.1
1
µA
1.35
1.5
1.65
V
2.25
2.5
2.75
85
kΩ
19
20
21
dB
90
100
100
dB
100
90
VCC -
0.1
VCC - VCC -
0.25V 0.1V
V
0.1
0.1 0.25
3
12
24
mA
400
kHz
50
pF
0.5
Ω
1
V/µs
2
Maxim Integrated
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