AD1940

Features: ·16-channel digital audio processor·Accepts sample rates up to 192 kHz·28-bit × 28-bit multiplier with full 56-bit accumulator·Fully-programmable program RAM for custom program download·Parameter RAM allows complete control of 1,024 parameters·Control port features safeload for transpare...

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AD1940 Picture
SeekIC No. : 004268532 Detail

AD1940: Features: ·16-channel digital audio processor·Accepts sample rates up to 192 kHz·28-bit × 28-bit multiplier with full 56-bit accumulator·Fully-programmable program RAM for custom program download·Pa...

floor Price/Ceiling Price

Part Number:
AD1940
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/28

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Product Details

Description



Features:

·16-channel digital audio processor
·Accepts sample rates up to 192 kHz
·28-bit × 28-bit multiplier with full 56-bit accumulator
·Fully-programmable program RAM for custom program download
·Parameter RAM allows complete control of 1,024 parameters
·Control port features safeload for transparent parameter updates and complete mode and memory transfer control
·Target/slew RAM for click-free volume control and dynamic parameter updates
·Double precision mode for full 56-bit processing
·PLL for generating MCLK from 64 × fS, 256 × fS, 384 × fS, or 512 × fS clocks
·Hardware-accelerated DSP core
21 kB (6,144 words) data memory for up to 128 ms of audio delay at fs = 48 kHz
·Flexible serial data port with I2S compatible, left-justified, and right-justified serial port modes
·8- and 16-channel TDM input/output modes
·On-chip voltage regulator for compatibility with 3.3 V and 5 V systems
·Programmable low power mode
·Fast start-up and boot time from power on or reset
·48-lead LQFP plastic package






Application

·Automotive sound systems
·Digital televisions
·Home theater systems (Dolby Digital/DTS postprocessor)
·Multichannel audio systems
·Mini-component stereos
·Multimedia audio
·Digital speaker crossover
·Musical instruments
·In-seat sound systems (aircrafts/motor coaches)





Pinout

AD1940 Diagram




Specifications

Instructions/Cycles 1536
DAC DNR (dB) n/a
DAC THD+N @ 1 kHz (-3dB) n/a
Digital I/O Channels 16/16
Analog I/O Channels 0/0
Product Description SigmaDSP Multichannel 28-/56-Bit Audio Processor w/ 4-Wire SPI ? control interface.


Parameter
Min
Max
Unit
VDD to DGND
0.3
+3.0
V
PLL_ VDD to PGND
0.3
+3.0
V
OD VDD to DGND
0.3
+6.0
V
INVDD to DGND
ODVDD
+6.0
V
Digital Inputs
DGND 0.3
INVDD + 0.3
V
Maximum Junction Temperature
135
Storage Temperature Range
65
+150
Soldering (10 sec)
300

Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.






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