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- ADAU1977WBCPZ - ADI
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Manufacturer:ADI
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ManyChip's Part#:MC597993
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Category:Analog to Digital, ADC IC
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Package:LFCSP-40
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Datasheet:Datasheet 3D Model
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Description:ANALOG DEVICES ADAU1977WBCPZ Analog to Digital Converter, 24Bit, 192KSPS, Single, 3V, 3.6V, LFCSP
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Stock Locations:
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Availability:298 pcs In Stock
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MOQ:1 pcs
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Unit Price:$ 5.13
Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.
Description
- Product Details
- The ADAU1977 incorporates four high performance analog-todigital converters (ADCs) with direct-coupled inputs capable of 10 V rms. The ADC uses multibit sigma-delta (Σ-Δ) architecture with continuous time front end for low EMI. The ADCs can be connected to the electret microphone (ECM) directly and provide the bias for powering the microphone. Built-in diagnostic circuitry detects faults on input lines and includes comprehensive diagnostics for faults on microphone inputs. The faults reported are short to battery, short to microphone bias, short to ground, short between positive and negative input pins, and open input terminals. In addition, each diagnostic fault is available as an IRQ flag for ease in system design. An I2C/SPI control port is also included. The ADAU1977 uses only a single 3.3 V supply. The part internally generates the microphone bias voltage. The microphone bias is programmable in a few steps from 5 V to 9 V. The low power architecture reduces the power consumption. An on-chip PLL can derive the master clock from an external clock input or frame clock (sample rate clock). When fed with a frame clock, the PLL eliminates the need for a separate high frequency master clock in the system. The ADAU1977 is available in a 40-lead LFCSP package.*APPLICATIONS**
- Automotive audio systems
- Active Noise Cancellation System
- ### Features and Benefits
- Programmable microphone bias (5 V to 9 V) with diagnostics
- Four 10 V rms capable direct-coupled differential inputs
- On-chip PLL for master clock
- Low EMI design
- 106 dB ADC dynamic range
- −95 dB THD + N
- Selectable digital high-pass filter
- 24-bit ADC with 8 kHz to 192 kHz sample rates
- See data sheet for additional features
ADAU1977WBCPZ Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 40 Pin |
| Case/Package | LFCSP-40 |
| Supply Voltage (DC) | 3.00V (min) |
| Supply Current | 1.75 mA |
| Number of Circuits | 4 Circuit |
| Number of Channels | 4 Channel |
| Number of Positions | 40 Position |
| Number of Bits | 24 Bit |
| Power Dissipation | 265 mW |
| Sample Rate | 192 ksps |
| Resolution (Bits) | 24.0 Bit |
| Number of ADCs | 4 ADC |
| Operating Temperature (Max) | 105 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Number of Input Channels | 4 Channel |
| Supply Voltage | 3.3 V |
| Supply Voltage (Max) | 3.6 V |
| Supply Voltage (Min) | 3 V |
| Input Voltage | 10 V |
| Show | |
| Size-Length | 6.1 mm |
| Size-Width | 6.1 mm |
| Size-Height | 0.75 mm |
| Operating Temperature | -40℃ ~ 105℃ |
| Product Lifecycle Status | Active |
| Packaging | Tray |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| REACH SVHC Compliance | No SVHC |
| REACH SVHC Compliance Edition | 2015/12/17 |
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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