AD73311LARSZ-REEL7
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Analog Devices Inc. AD73311LARSZ-REEL7

Manufacturer No:
AD73311LARSZ-REEL7
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC AFE 1 CHAN 16BIT 20SSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD73311LARSZ-REEL7, produced by Analog Devices Inc., is a comprehensive front-end processor designed for general-purpose applications, particularly in the domains of speech and telephony. This device features a 16-bit analog-to-digital (A/D) conversion channel and a 16-bit digital-to-analog (D/A) conversion channel. Each channel offers a high signal-to-noise ratio (SNR) of 70 dB over the voiceband signal bandwidth, making it suitable for various audio processing tasks.

The AD73311LARSZ-REEL7 is an enhanced version of the AD73311, with improvements in on-chip filtering, additional sample-rate options, and a lower cost. It operates on a single 3.0 V supply and includes an on-chip reference voltage for single-supply operation. The device also features programmable gains for both A/D and D/A channels and a flexible serial port (SPORT) for easy interfacing with industry-standard DSP engines.

Key Specifications

Parameter Min Typ Max Unit Comments
Supply Voltage (Analog) 2.7 3.0 3.3 V Single supply operation
Supply Voltage (Digital) 2.7 3.0 3.3 V Single supply operation
ADC Resolution 16 bits
DAC Resolution 16 bits
ADC SNR 75 dB Over voiceband signal bandwidth
DAC SNR 70 dB Over voiceband signal bandwidth
Maximum Sample Rate 64 ksps
Group Delay (ADC) 25 µs At 64 kHz input sample rate, interpolator bypassed
Group Delay (DAC) 50 µs
Power Dissipation 50 mW At 2.7 V supply
Package 20-SSOP (0.209, 5.30mm Width)

Key Features

  • Programmable Gains: The gains of the A/D and D/A conversion channels are programmable over 38 dB and 21 dB ranges, respectively.
  • On-Chip Reference Voltage: Includes an on-chip reference voltage to allow single-supply operation.
  • Flexible Serial Port (SPORT): Allows easy interfacing of single or cascaded devices to industry-standard DSP engines, enabling up to 4 codecs to be connected in cascade for 8 I/O channels.
  • Low Group Delay: Suitable for single or multi-channel active-control applications due to its low group delay characteristics.
  • High SNR: Provides 70 dB SNR for both ADC and DAC channels over the voiceband signal bandwidth.
  • Multiple Sample Rates: Programmable input/output sample rates.
  • Low Power Consumption: Maximum power dissipation of 50 mW at 2.7 V supply.

Applications

  • General Purpose Analog I/O: Suitable for various general-purpose analog input/output applications.
  • Speech Processing: Ideal for speech enhancement, recognition, and synthesis.
  • Cordless and Personal Communications: Used in cordless phones and personal communication devices.
  • Telephony: Applicable in telephony systems for high-quality voice transmission.
  • Active Control of Sound and Vibration: Suitable for active control applications due to its low group delay.
  • Data Communications: Used in data communication systems requiring high-quality analog front-end processing.

Q & A

  1. What is the primary function of the AD73311LARSZ-REEL7?

    The AD73311LARSZ-REEL7 is a front-end processor for general-purpose applications, including speech and telephony, featuring 16-bit A/D and D/A conversion channels.

  2. What is the signal-to-noise ratio (SNR) of the ADC and DAC channels?

    Both the ADC and DAC channels provide a 70 dB SNR over the voiceband signal bandwidth.

  3. What are the programmable gain ranges for the A/D and D/A channels?

    The gains of the A/D and D/A conversion channels are programmable over 38 dB and 21 dB ranges, respectively.

  4. What is the maximum sample rate supported by the AD73311LARSZ-REEL7?

    The maximum sample rate supported is 64 ksps.

  5. What is the group delay of the ADC and DAC channels?

    The group delay is 25 µs for the ADC channel and 50 µs for the DAC channel.

  6. What type of package does the AD73311LARSZ-REEL7 come in?

    The device is packaged in a 20-SSOP (0.209, 5.30mm Width).

  7. What is the power supply range for the AD73311LARSZ-REEL7?

    The device operates on a single supply voltage ranging from 2.7 V to 3.3 V.

  8. What are some common applications of the AD73311LARSZ-REEL7?

    Common applications include speech processing, cordless and personal communications, telephony, and active control of sound and vibration.

  9. How does the AD73311LARSZ-REEL7 interface with DSP engines?

    The device features a flexible serial port (SPORT) that allows easy interfacing with industry-standard DSP engines, enabling up to 4 codecs to be connected in cascade.

  10. What is the maximum power dissipation of the AD73311LARSZ-REEL7?

    The maximum power dissipation is 50 mW at a 2.7 V supply.

Product Attributes

Number of Bits:16
Number of Channels:1
Power (Watts):50 mW
Voltage - Supply, Analog:2.7V ~ 5.25V
Voltage - Supply, Digital:2.7V ~ 5.25V
Mounting Type:Surface Mount
Package / Case:20-SSOP (0.209", 5.30mm Width)
Supplier Device Package:20-SSOP
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Similar Products

Part Number AD73311LARSZ-REEL7 AD73311LARS-REEL7 AD73311LARSZ-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Obsolete Active
Number of Bits 16 16 16
Number of Channels 1 2 1
Power (Watts) 50 mW 50 mW 50 mW
Voltage - Supply, Analog 2.7V ~ 5.25V 3V 2.7V ~ 5.25V
Voltage - Supply, Digital 2.7V ~ 5.25V 3V 2.7V ~ 5.25V
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 20-SSOP (0.209", 5.30mm Width) 20-SSOP (0.209", 5.30mm Width) 20-SSOP (0.209", 5.30mm Width)
Supplier Device Package 20-SSOP 20-SSOP 20-SSOP

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