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Details for AD1938WBSTZ by Analog Devices
Electronic & Electrical Components > Semiconductors - ICs > CODECs / Encoders / Decoders
AUDIO CODEC 24BIT 192KSPS LQFP-48
AD1938WBSTZ image

AD1938WBSTZ by Analog Devices

AUDIO CODEC 24BIT 192KSPS LQFP-48
Features
PLL generated or direct master clock Low EMI design 108 dB DAC/107 dB ADC dynamic range and SNR u221294 dB THD + N 3.3 V single supply Tolerance for 5 V logic inputs Supports 24 bits and 8 kHz to 192 kHz sample rates Differential ADC input Single-ended DAC output Log volume control with autoramp function SPI controllable for flexibility Software-controllable clickless mute Software power-down Right-justified, left-justified, I2 S-justified, and TDM modes Master and slave modes up to 16-channel input/output 48-lead LQFP package Qualified for automotive applications
Part Information
AD1938WBSTZ image
RoHS Compliant
Description
The AD1938 is a high performance, single-chip codec that pro- vides four analog-to-digital converters (ADCs) with input and eight digital-to-analog converters (DACs) with single-ended 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 AD1938 operates from 3.3 V digital and analog supplies. The AD1938 is available in a 48-lead (single-ended output) LQFP package. Other members of this family include a diffe- rential DAC output and I2C® control port version. The AD1938 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 AD1938 elimi- nates 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.
Specifications
Audio CODEC Type:
Stereo
No. of ADCs:
4
No. of DACs:
8
Operating Temperature Min:
-40°C
Operating Temperature Max:
105°C
Sampling Rate:
192kSPS
Audio IC Case Style:
LQFP
No. of Pins:
48Pins
No. of Input Channels:
4Channels
No. of Output Channels:
8Channels
ADC / DAC Resolution:
24bit
ADCs / DACs Signal to Noise Ratio:
107dB
IC Interface Type:
SPI
Supply Voltage Range:
3V to 3.6V
Product Range:
AD1938 Series
Automotive Qualification Standard:
AEC-Q100
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)
Alternate Descriptions
AUDIO CODEC, 24BIT, 192KSPS, LQFP-48; Audio CODEC Type:Stereo; No. of ADCs:4; No. of DACs:8; Operating Temperature Min:-40°C; Operating Temperature Max:105°C; Sampling Rate:192kSPS; Audio IC Case Style:LQFP; No. of Pins:48Pins RoHS Compliant: Yes Newark Electronics
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