AD74111 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD74111
Manufacturer

ADI
ChipWorker Part#

CW430805317
Description

2.5V, 24Bit Sigma-Delta Mono Codec
Documentation

Datasheet

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AD74111 Specifications

Attribute	Attribute Value

Part Number	AD74111
Manufacturer	ADI
ChipWorker Part#	CW430805317
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD74111 is a front-end processor for general purpose audio and voice applications. It features a multi-bit Sigma-Delta A/D conversion channel and a multi-bit Sigma-Delta D/A conversion channel. The ADC channel provides >67 dB THD+N and the DAC channel provides >88 dB THD+N both over an audio signal bandwidth.
The AD74111 is particularly suitable for a variety of applications where mono input and output channels are required, including audio sections of Digital Video Camcorders, portable personal audio devices and telematic applications. Its high quality performance also make it suitable for speech and telephony applications such as speech recognition and synthesis and modern feature phones.
An on-chip reference voltage is included but can be overdriven by an external reference source if required.
The AD74111 offers sampling rates which, depending on MCLK selection and MCLK divider ratio, range from 8 kHz in the voiceband range to 48 kHz in the audio range.
The AD74111 is available in 16 lead TSSOP package option and is specified for the automotive temperature range of -40°C to +105°C.
### Features and Benefits
2.5 V Mono Audio Codec with 3.3 V Tolerant Digital Interface
Supports 8 kHz to 48 kHz Sample Rates
Supports 16-/20-/24-Bit Word Lengths
Multibit Σ-Δ Modulators with "Perfect Differential Linearity Restoration" for Reduced Idle Tones and Noise Floor
Data Directed Scrambling DAC – Least Sensitive to Jitter
Programmable ADC Gain
On-Chip Volume Control for DAC Channel
Software Controllable Clickless Mute
Performance (20 Hz to 20 kHz)
\- 85 dB ADC Dynamic Range
\- 93 dB DAC Dynamic Range
Supports 256 x fS, 512 x fS, and
768 x fS Master Mode Clocks
Master Clock Prescaler for Use with DSP Master Clocks
On-Chip Reference

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- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Decapsulation control
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- XRF inspection
- Electrical testing
- Surface testing

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