AAP149BS-M6B-G-LF-TR

AAP149BS-M6B-G-LF-TR Datasheet

AAP149B

Part	Datasheet
AAP149BS-M6B-G-LF-TR	AAP149BS-M6B-G-LF-TR (pdf)

PDF Datasheet Preview
AAP149B Microphone Pre-Amplifer with Digital Output The AAP149B is a chip-scale device with digital output developed specifically for integrating in small form factor two terminal electret condenser microphones. The AAP149B provides PDM bit stream output and can run with a clock frequency of 1MHz to 3MHz and it has incorporated of 4th order Sigma-Delta ADC. The ADC has a 20kHz signal bandwidth. The single bit modulator features an inherently linear output, as well as enabling noise shaping and shifting of quantization noise. The AAP149B provides ultra-low input capacitance and noise performance, 5µVrms typical with shorted input to ground, and it also provides excellent RFI and EMI immunity. The AAP149B has 20dB gain and low quiescent current in sleep mode. Sleep mode is automatically detected by the clock frequency falling below 100kHz. Additionally, the AAP149B is configured to be compatible with stereo audio applications, with provision of a Left and Right channel select. • Integrated 4th Order Sigma-Delta ADC, with 20kHz signal BW, PDM output and clock • Frequency of 1MHz to 3MHz • 20dB Gain • Sleep Mode with low Quiescent Current < 40µA • Low Input Capacitance 0.2pF typical • Low Noise 5µV RMS typical Input Noise A- weighted, input shorted • Stereo-Audio Compatible with L/R Channel Select • RoHS Compliant & Halogen Free • Small Diameter Electret Microphones with digital output The AAP149B is provided in a chip scale 6pin SMD package. The package size is 810µm x 1200µm with an overall height of 350µm including solder bumps. This extremely small package size and aspect ratio is optimum for use in small diameter microphones. Available in tape & reel package. Functional Block Diagram IN Amp VDD LDO DATA SELECT Figure 1 • Functional Block Diagram 2015 Microsemi Corporation- Analog Mixed Signal AAP149B Electret condenser Microphone Pre- Amplifer with Digital Output Pin Configuration DATA • Top mark Figure 2 • Pinout Top View XY and pin 1 indicator Laser mark XY= Unique lot code assigned for each assembly order Ordering Information Ambient Temperature Type Package -40°C to 85°C RoHS2 compliant, Pb-free Halogen Free Packaging Type Packing Qty AAP149BS-M6B-G-LF-TR Tape and Reel 3500 Pin Description Pin Designator ADC Clock input of 1MHz to 3MHz Ground DATA Data Output pin, selectable by L/R Power input, 1.6V to 3.6V Analog signal input for Electret Condenser Microphone Left or Right Channel Select. L/R sets low for Left channel, VDD for Right channel Absolute Maximum Ratings Absolute Maximum Ratings Parameter Units Power Supply VDD Analog Input IN Voltage on CLK without loading clock Voltage on L/R Maximum Operating Ambient Temperature Maximum storage temperature Peak package solder reflow temperature 40 seconds maximum exposure Note Exceeding any Absolute Maximum ratings could cause damage to the device. All voltages are with respect to GND. Currents are positive into, negative out of specified terminal. These are stress ratings only and functional operation of the device at these, or any other conditions beyond those indicated under “Recommended Operating Conditions” are not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. Typical Operating Conditions Parameter Supply Voltage Range Operating Temperature Range Clock Rise and Fall Time Symbol VDD TA Min. -4 Typ. Max. Unit AAP149B Electret condenser Microphone Pre- Amplifer with Digital Output

PDF Datasheet Preview

AAP149B

Microphone Pre-Amplifer with Digital Output

The AAP149B is a chip-scale device with digital output developed specifically for integrating in small form factor two terminal electret condenser microphones.

The AAP149B provides PDM bit stream output and can run with a clock frequency of 1MHz to 3MHz and it has incorporated of 4th order Sigma-Delta ADC. The ADC has a 20kHz signal bandwidth. The single bit modulator features an inherently linear output, as well as enabling noise shaping and shifting of quantization noise.

The AAP149B provides ultra-low input capacitance and noise performance, 5µVrms typical with shorted input to ground, and it also provides excellent RFI and EMI immunity.

The AAP149B has 20dB gain and low quiescent current in sleep mode. Sleep mode is automatically detected by the clock frequency falling below 100kHz.

Additionally, the AAP149B is configured to be compatible with stereo audio applications, with provision of a Left and Right channel select.
• Integrated 4th Order Sigma-Delta ADC, with 20kHz signal BW, PDM output and clock
• Frequency of 1MHz to 3MHz
• 20dB Gain
• Sleep Mode with low Quiescent Current < 40µA
• Low Input Capacitance 0.2pF typical
• Low Noise 5µV RMS typical Input Noise A-
weighted, input shorted
• Stereo-Audio Compatible with L/R Channel

Select
• RoHS Compliant & Halogen Free
• Small Diameter Electret Microphones with digital output

The AAP149B is provided in a chip scale 6pin SMD package. The package size is 810µm x 1200µm with an overall height of 350µm including solder bumps. This extremely small package size and aspect ratio is optimum for use in small diameter microphones.

Available in tape & reel package.

Functional Block Diagram

IN Amp

VDD LDO

DATA SELECT

Figure 1
• Functional Block Diagram
2015 Microsemi Corporation- Analog Mixed Signal

AAP149B Electret condenser Microphone Pre- Amplifer with Digital Output

Pin Configuration

DATA
• Top mark

Figure 2
• Pinout Top View XY and pin 1 indicator Laser mark XY= Unique lot code assigned for each assembly order
Ordering Information

Ambient Temperature

Type

Package
-40°C to 85°C

RoHS2 compliant, Pb-free

Halogen Free

Packaging Type

Packing Qty

AAP149BS-M6B-G-LF-TR Tape and Reel
3500

Pin Description

Pin Designator

ADC Clock input of 1MHz to 3MHz

Ground

DATA

Data Output pin, selectable by L/R

Power input, 1.6V to 3.6V

Analog signal input for Electret Condenser Microphone

Left or Right Channel Select. L/R sets low for Left channel, VDD for Right channel

Absolute Maximum Ratings

Absolute Maximum Ratings

Parameter

Units

Power Supply VDD

Analog Input IN

Voltage on CLK without loading clock

Voltage on L/R

Maximum Operating Ambient Temperature

Maximum storage temperature

Peak package solder reflow temperature 40 seconds maximum exposure

Note Exceeding any Absolute Maximum ratings could cause damage to the device. All voltages are with respect to GND. Currents are
positive into, negative out of specified terminal. These are stress ratings only and functional operation of the device at these, or any other conditions beyond those indicated under “Recommended Operating Conditions” are not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability.

Typical Operating Conditions

Parameter Supply Voltage Range Operating Temperature Range Clock Rise and Fall Time

Symbol VDD TA

Min. -4

Typ.

Max.

Unit

AAP149B Electret condenser Microphone Pre- Amplifer with Digital Output

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Datasheet ID: AAP149BS-M6B-G-LF-TR 648597