Datasheet MAX9812, MAX9813 (Maxim) - 2
| 制造商 | Maxim |
| 描述 | Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias |
| 页数 / 页 | 10 / 2 — MAX9812/MAX9813. Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone … |
| 文件格式/大小 | PDF / 281 Kb |
| 文件语言 | 英语 |
MAX9812/MAX9813. Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias
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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.) Operating Temperature Range ...-40°C to +85°C VCC ..-0.3V to +6.0V Storage Temperature Range ...-65°C to +150°C All Other Pins..-0.3V to (VCC + 0.3V) Junction Temperature ..+150°C Continuous Current (IN, SHDN, IN1, IN2, IN1/IN2)...±20mA Lead Temperature (soldering, 10s) ...+300°C OUT, BIAS Short-Circuit Duration (to GND or VCC) ...Continuous Soldering Temperature (reflow) ...+260°C Continuous Power Dissipation (TA = +70°C) SC70 (derate 3.1mW/°C above +70°C) ...245mW SOT23 (derate 8.9mw/°C above +70°C) ...714mW 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 SYMBOL CONDITIONS MIN TYP MAX UNITS GENERAL
MAX9812L/MAX9813L Inferred from 2.7 3.6 Supply Voltage Range VCC V MAX9812H/MAX9813H PSRR test 4.5 5.5 Supply Current ICC IBIAS = 0A 230 400 µA Shutdown Supply Current ICC_SHDN SHDN = GND 0.1 1 µA MAX9812L/MAX9813L 1.35 1.5 1.65 Amplifier Output Bias Voltage VOUT_DC V MAX9812H/MAX9813H 2.25 2.5 2.75 Input Resistance RIN 85 kΩ Voltage Gain AV 19 20 21 dB DC 90 100 f = 217Hz 100 Power-Supply Rejection Ratio PSRROUT Input referred, TA = +25°C dB f = 1kHz 100 f = 10kHz 90 V R CC - L = 10kΩ to VCC/2 0.1 VOH V V Output Voltage Swing R CC - CC - L = 1kΩ to VCC/2 V 0.25V 0.1V RL = 10kΩ to VCC/2 0.1 VOL RL = 1kΩ to VCC/2 0.1 0.25 Output Short-Circuit Current IOUT_SC Sinking or sourcing 3 12 24 mA Small-Signal -3dB Bandwidth BW VOUT = 10mVP-P 400 kHz Output Capacitive-Load Stability CL No sustained oscillations 50 pF Output Impedance ZOUT f = 1kHz 0.5 Ω Output Slew Rate SR VOUT = 1V step 1 V/µs 2 Maxim Integrated
(All voltages referenced to GND.) Operating Temperature Range ...-40°C to +85°C VCC ..-0.3V to +6.0V Storage Temperature Range ...-65°C to +150°C All Other Pins..-0.3V to (VCC + 0.3V) Junction Temperature ..+150°C Continuous Current (IN, SHDN, IN1, IN2, IN1/IN2)...±20mA Lead Temperature (soldering, 10s) ...+300°C OUT, BIAS Short-Circuit Duration (to GND or VCC) ...Continuous Soldering Temperature (reflow) ...+260°C Continuous Power Dissipation (TA = +70°C) SC70 (derate 3.1mW/°C above +70°C) ...245mW SOT23 (derate 8.9mw/°C above +70°C) ...714mW 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 SYMBOL CONDITIONS MIN TYP MAX UNITS GENERAL
MAX9812L/MAX9813L Inferred from 2.7 3.6 Supply Voltage Range VCC V MAX9812H/MAX9813H PSRR test 4.5 5.5 Supply Current ICC IBIAS = 0A 230 400 µA Shutdown Supply Current ICC_SHDN SHDN = GND 0.1 1 µA MAX9812L/MAX9813L 1.35 1.5 1.65 Amplifier Output Bias Voltage VOUT_DC V MAX9812H/MAX9813H 2.25 2.5 2.75 Input Resistance RIN 85 kΩ Voltage Gain AV 19 20 21 dB DC 90 100 f = 217Hz 100 Power-Supply Rejection Ratio PSRROUT Input referred, TA = +25°C dB f = 1kHz 100 f = 10kHz 90 V R CC - L = 10kΩ to VCC/2 0.1 VOH V V Output Voltage Swing R CC - CC - L = 1kΩ to VCC/2 V 0.25V 0.1V RL = 10kΩ to VCC/2 0.1 VOL RL = 1kΩ to VCC/2 0.1 0.25 Output Short-Circuit Current IOUT_SC Sinking or sourcing 3 12 24 mA Small-Signal -3dB Bandwidth BW VOUT = 10mVP-P 400 kHz Output Capacitive-Load Stability CL No sustained oscillations 50 pF Output Impedance ZOUT f = 1kHz 0.5 Ω Output Slew Rate SR VOUT = 1V step 1 V/µs 2 Maxim Integrated