Изображения являются только для ссылки
ICS-43432
+БОМMIC MEMS DIGITAL I2S OMNI -26DB
-
ПроизводительТДК InvenSense
-
Мфр. Часть #ICS-43432
-
В наличии25853
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| Part Status | Last Time Buy |
| Type | MEMS (Silicon) |
| Output Type | Digital, I2S |
| Direction | Omnidirectional |
| Frequency Range | 50 Hz ~ 20 kHz |
| Sensitivity | -26dB ±1dB @ 94dB SPL |
| S/N Ratio | 65dB |
| Voltage Range | 1.62 V ~ 3.63 V |
| Current - Supply | 1.5 mA |
| Port Location | Bottom |
| Termination | Solder Pads |
| Size / Dimension | 0.157" L x 0.118" W (4.00mm x 3.00mm) |
| Height (Max) | 0.043" (1.10mm) |
| Shape | Rectangular |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Обзор
Description
The ICS-43432 offers omnidirectional sensitivity, allowing it to capture sound from all directions with consistent frequency response. It operates over a wide frequency range, providing clear and accurate audio capture. The microphone is also designed to be robust and reliable, withstanding environmental challenges such as humidity and temperature variations.
Its integration capabilities, combined with the digital output, make the ICS-43432 suitable for applications that require precise audio input and processing, such as voice recognition systems, acoustic event detection, and audio recording devices. Its minimal external components and ease of integration further enhance its appeal in modern electronic designs.
Equivalent
1. ADMP441 - by Analog Devices, which is a digital MEMS microphone with similar specifications.
2. SPH0645LM4H - by Knowles, known for its acoustic performance and digital I2S interface.
3. INMP441 - another product from Analog Devices, offering a digital output and similar functionality.
These alternatives provide comparable features like size, sensitivity, and digital output capability.
Features
1. Digital Output: Utilizes an I²S (Inter-IC Sound) interface for direct digital audio output, eliminating the need for additional analog-to-digital conversion.
2. Low Power Consumption: Designed to be power-efficient, making it suitable for battery-operated devices.
3. High Signal-to-Noise Ratio (SNR): Offers a high SNR, typically around 65 dB, enabling clear and precise audio capture even in noisy environments.
4. Wide Frequency Response: Provides a frequency response range from approximately 60 Hz to 20 kHz, suitable for capturing a broad spectrum of sounds.
5. Omnidirectional Pickup Pattern: Capable of capturing sound from all directions, ideal for a variety of applications.
6. Compact Size: Small footprint makes it suitable for integration into compact electronic devices.
7. Low Distortion: Ensures minimal audio distortion, maintaining the integrity of the recorded sound.
These features make the ICS-43432 suitable for use in consumer electronics, voice-controlled applications, and other audio-related technologies.
Pinout
1. VDD (Pin 1): This pin provides the power supply to the microphone, typically around 1.8V to 3.3V.
2. GND (Pin 2): The ground pin is used to complete the electrical circuit and is connected to the system ground.
3. WS (Word Select, Pin 3): This pin acts as the word select or left/right clock for I²S data format. It determines the channel (left or right) for the digital audio data.
4. SCK (Serial Clock, Pin 4): The serial clock input for the I²S interface, which synchronizes the data transfer.
The ICS-43432 is designed for applications requiring high-performance audio capture, including consumer electronics and IoT devices. Its integration of a MEMS sensor and an I²S interface simplifies the design process by enabling direct connection to digital audio processors without the need for an external ADC.
Manufacturer
Application
Package
Frequently Asked Questions
Q: What is the output interface of the ICS-43432?
A: It features a digital I²S output, enabling direct connection to digital processors without an external ADC.
Q: What is the supply voltage range for this MEMS microphone?
A: The operating voltage range is 1.62 V to 3.63 V, making it suitable for low-power portable devices.
Q: What is the sensitivity and typical application scenario?
A: Sensitivity is -26dB ±1dB at 94dB SPL, ideal for far-field voice capture in smart speakers and IoT devices.
Q: What is the signal-to-noise ratio (SNR)?
A: It offers a high SNR of 65dB, ensuring clear audio quality in noisy environments.
Q: What is the frequency response range?
A: The frequency range covers 50 Hz to 20 kHz, suitable for full-bandwidth audio recording.
Q: Does this component support reflow soldering?
A: Yes, it has solder pad termination and is compatible with standard SMD reflow soldering processes.
Q: What is the current consumption?
A: The supply current is only 1.5 mA, which benefits battery-powered applications like wearables.