Datasheet MAX9812, MAX9813 (Maxim)
| Manufacturer | Maxim |
| Description | Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias |
| Pages / Page | 10 / 1 — MAX9812/MAX9813. Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain. … |
| File Format / Size | PDF / 281 Kb |
| Document Language | English |
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 General Description Features
The MAX9812/MAX9813 are single/dual-input, 20dB o
PC2001 Compliant
fixed-gain microphone amplifiers. They offer tiny pack- o
100dB at 217Hz Power-Supply Rejection Ratio
aging and a low-noise, integrated microphone bias, o
Very Low 230µA Quiescent Current
making them ideal for portable audio applications such o
Low 0.015% THD+N
as notebook computers, cell phones, and PDAs. These amplifiers feature a 500kHz bandwidth, rail-to-rail out- o
Available in Two Versions
puts, an industry-leading 100dB power-supply rejection
MAX9812L/MAX9813L—2.7V to 3.6V
ratio, and a very low 0.015% THD+N. Power-saving fea-
MAX9812H/MAX9813H—4.5V to 5.5V
tures include very low 230µA supply current and a total o
Internal Low-Noise Microphone Bias Supply
shutdown mode that cuts the combined supply and
2.3V for MAX9812L/MAX9813L
BIAS currents to only 100nA.
4.0V for MAX9812H/MAX9813H
The MAX9812 is a single amplifier in a 6-pin SC70 o
100nA Low-Power Shutdown Mode
package (2mm x 2.1mm) and the MAX9813 is a dual- o
Rail-to-Rail Outputs
input amplifier available in an 8-pin SOT23 (3mm x o
20dB Fixed Gain
3mm) package. The MAX9813 has two inputs allowing o
Available in Tiny 6-Pin SC70 (2mm x 2.1mm) and
two microphones to be multiplexed to a single output.
8-Pin SOT23 (3mm x 3mm) Packages
The MAX9812/MAX9813 are offered in two grades. The o
Extended Temperature Range -40°C to +85°C
MAX9812L/MAX9813L are optimized for 3.3V supply operation (2.7V to 3.6V). The MAX9812H/MAX9813H are
Ordering Information
PC2001 compliant and are optimized for 5V operation (4.5V to 5.5V). Both devices are specified over the -40°C
PIN-
to +85°C extended operating temperature range.
PART TEMP RANGE PACKAGE VCC (V) Applications MAX9812
LEXT+T -40°C to +85°C 6 SC70 2.7 to 3.6 MAX9812HEXT+T -40°C to +85°C 6 SC70 4.5 to 5.5 Notebook Computers
MAX9813
LEKA+T -40°C to +85°C 8 SOT23 2.7 to 3.6 PDAs MAX9813HEKA+T -40°C to +85°C 8 SOT23 4.5 to 5.5 Smart Phones +Denotes a lead(Pb)-free/RoHS-compliant package. Digital Cameras Video Tape Recorders
Pin Configurations, Selector Guide, and Typical Operating Circuits appear at end of data sheet. Simplified Block Diagrams
VCC VCC SHDN SHDN REFERENCE BIAS REFERENCE BIAS 2.3V (L VERSION) 2.3V (L VERSION) 4.0V (H VERSION) 4.0V (H VERSION) IN1 IN OUT OUT 20dB 20dB IN2 IN1/IN2 MAX9812 MAX9813 GND GND
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-2840; Rev 3; 4/14
The MAX9812/MAX9813 are single/dual-input, 20dB o
PC2001 Compliant
fixed-gain microphone amplifiers. They offer tiny pack- o
100dB at 217Hz Power-Supply Rejection Ratio
aging and a low-noise, integrated microphone bias, o
Very Low 230µA Quiescent Current
making them ideal for portable audio applications such o
Low 0.015% THD+N
as notebook computers, cell phones, and PDAs. These amplifiers feature a 500kHz bandwidth, rail-to-rail out- o
Available in Two Versions
puts, an industry-leading 100dB power-supply rejection
MAX9812L/MAX9813L—2.7V to 3.6V
ratio, and a very low 0.015% THD+N. Power-saving fea-
MAX9812H/MAX9813H—4.5V to 5.5V
tures include very low 230µA supply current and a total o
Internal Low-Noise Microphone Bias Supply
shutdown mode that cuts the combined supply and
2.3V for MAX9812L/MAX9813L
BIAS currents to only 100nA.
4.0V for MAX9812H/MAX9813H
The MAX9812 is a single amplifier in a 6-pin SC70 o
100nA Low-Power Shutdown Mode
package (2mm x 2.1mm) and the MAX9813 is a dual- o
Rail-to-Rail Outputs
input amplifier available in an 8-pin SOT23 (3mm x o
20dB Fixed Gain
3mm) package. The MAX9813 has two inputs allowing o
Available in Tiny 6-Pin SC70 (2mm x 2.1mm) and
two microphones to be multiplexed to a single output.
8-Pin SOT23 (3mm x 3mm) Packages
The MAX9812/MAX9813 are offered in two grades. The o
Extended Temperature Range -40°C to +85°C
MAX9812L/MAX9813L are optimized for 3.3V supply operation (2.7V to 3.6V). The MAX9812H/MAX9813H are
Ordering Information
PC2001 compliant and are optimized for 5V operation (4.5V to 5.5V). Both devices are specified over the -40°C
PIN-
to +85°C extended operating temperature range.
PART TEMP RANGE PACKAGE VCC (V) Applications MAX9812
LEXT+T -40°C to +85°C 6 SC70 2.7 to 3.6 MAX9812HEXT+T -40°C to +85°C 6 SC70 4.5 to 5.5 Notebook Computers
MAX9813
LEKA+T -40°C to +85°C 8 SOT23 2.7 to 3.6 PDAs MAX9813HEKA+T -40°C to +85°C 8 SOT23 4.5 to 5.5 Smart Phones +Denotes a lead(Pb)-free/RoHS-compliant package. Digital Cameras Video Tape Recorders
Pin Configurations, Selector Guide, and Typical Operating Circuits appear at end of data sheet. Simplified Block Diagrams
VCC VCC SHDN SHDN REFERENCE BIAS REFERENCE BIAS 2.3V (L VERSION) 2.3V (L VERSION) 4.0V (H VERSION) 4.0V (H VERSION) IN1 IN OUT OUT 20dB 20dB IN2 IN1/IN2 MAX9812 MAX9813 GND GND
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-2840; Rev 3; 4/14
