Analog
Devices, Inc. (ADI) introduced a 16-channel
audio D/A converter today capable of improving audio system
performance and reducing power consumption for professional, "prosumer"
and automotive audio equipment applications.
The 24-bit ADAU1966 16-channel
audio D/A converter provides 118dB SNR (signal-to-noise ratio)
performance at 32 kHz to 192 kHz sampling rates. Its 118 dB SNR
performance is achieved with a lowest in class power consumption of less
than 300 mW for 16-channel operation by running the digital portion of
the ADAU1966 at a lower voltage. The digital supply can be generated on
chip via a linear regulator allowing the ADAU1966 to operate off a
single analog supply. Alternatively, the regulator can be bypassed and a
separate 2.5V to 3.3V supply provided to the chip.
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Order samples and download data sheet: www.analog.com/ADAU1966
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Connect with engineers and ADI product experts on EngineerZone™, an
online technical support community: http://ez.analog.com
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Find other featured products and technical information for consumer
and automotive applications: http://consumer.analog.com/en/segment/cm.html
http://automotive.analog.com/en/infotainment/segment/am.html
Operating the ADAU1966 with full-scale differential output voltage of 3
Vrms reduces the need for downstream gain and preserves a high SNR
against electrically-coupled system noise. By using the ADAU1966 A/D
converter's on-board PLL (phase-locked loop) to derive the internal
master clock from an external left/right clock, the ADAU1966 eliminates
the need for a separate high frequency master clock and can be used with
or without a bit clock.
The ADAU1966 is qualified for AEC-100 automotive applications and
operates at a -40° C to +105° C temperature range. It also features an
SPI/I2C port which allows an external microcontroller to
adjust volume and read the chip temperature to within +/-3°C.
ADAU1966 24-bit, 16-channel Audio D/A Converter Key Features:
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THD + N = -98 dB
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300-mW total (19-mW/channel) quiescent power at AVDD = 3.3 V
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2.5-V digital and 3.3-V or 5-V analog and IO supplies
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PLL-generated or direct master clock
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Supports 24-bit and 32-kHz to 192-kHz sample rates
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Qualified for automotive applications
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Low EMI design
Availability, Pricing and Complementary Components
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| Sample
Availability |
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| Full Volume
Production |
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| Temperature
Range |
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| Price Each Per
1,000 |
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| Packaging |
ADAU1966
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Now
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Now
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-40°C to 105°C
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$6.51
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80-lead LQFP
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The ADAU1966 operates well in a system with a variety of ADI's SigmaDSP®
digital audio processors including the ADAU1442,
ADAU1445,
ADAU1446
and AD1940.
It can also be used along with ADI's SHARC®
floating-point DSP products and the Blackfin®16/32-bit
line of embedded processors.
About Analog Devices
Innovation, performance, and excellence are the cultural pillars on
which Analog Devices has built one of the longest standing, highest
growth companies within the technology sector. Acknowledged
industry-wide as the world leader in data-conversion and
signal-conditioning technologies, Analog Devices serves over 60,000
customers, representing virtually all types of electronic equipment.
Analog Devices is headquartered in Norwood, Massachusetts, with design
and manufacturing facilities throughout the world. Analog Devices'
common stock is listed on the New York Stock Exchange under the ticker
"ADI" and is included in the S&P 500 Index. http://www.analog.com
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