• AD1939YSTZ
  • AD1939YSTZ
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The AD1939 is a high performance, single-chip codec that provides four analog-to-digital converters (ADCs) with differential input, and eight digital-to-analog converters (DACs) with differential output using the Analog Devices, Inc. patented multibit sigma-delta (Σ-Δ) architecture. An SPI port is included, allowing a microcontroller to adjust volume and many other parameters. The AD1939 operates from 3.3 V digital and analog supplies. The AD1939 is available in a 64-lead (differential output) LQFP package. The AD1939 is designed for low EMI. This consideration is apparent in both the system and circuit design architectures. By using the on-board PLL to derive the master clock from the LR clock or from an external crystal, the AD1939 eliminates the need for a separate high frequency master clock and can also be used with a suppressed bit clock. The DACs and ADCs are designed using the latest Analog Devices continuous time architectures to further minimize EMI. By using 3.3 V supplies, power consumption is minimized, further reducing emissions. Applications Automotive audio systems Home Theater Systems Set-top boxes Digital audio effects processors

supply_voltage_dc3.30 V
rohs_statusCompliant
reach_svhc_complianceNo SVHC
lead_free_statusContains Lead
mounting_styleSurface Mount
packagingTray, Bulk
case_packageLQFP
frequency192 kHz
sample_rate192 kHz
lifecycle_statusActive
number_of_bits24
pin_count64
Audio CODEC TypeStereo
No. of ADCs4
No. of DACs8
Operating Temperature Min-40°C
Operating Temperature Max105°C
Sampling Rate192kSPS
Audio IC Case StyleLQFP
No. of Pins64Pins
No. of Input Channels4Channels
No. of Output Channels8Channels
ADC / DAC Resolution24bit
ADCs / DACs Signal to Noise Ratio112dB
IC Interface TypeSerial
Supply Voltage Range3V to 3.6V, 4.5V to 5.5V
PackagingEach
Product RangeAD1939 Series
Automotive Qualification Standard-
RoHS Phthalates CompliantYes
MSLMSL 1 - Unlimited
SVHCNo SVHC (07-Jul-2017)
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