AT43USB320A-AC
Microchip Technology
AT43USB320A-AC
Microchip Technology
IC USB MCU EMBED HUB AVR 100LQFP
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AT43USB320A-AC
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Product details
Microchip Technology introduces AT43USB320A-AC, a breakthrough in Embedded - Microcontrollers - Application Specific for high-speed data acquisition systems. This application-specific microcontroller combines 16-bit ADCs with jitter-cleaning PLLs, enabling precision measurement in test and measurement equipment.Engineered for USB Hub/Microcontroller implementations, the device includes hardware-accelerated windowed FFT processing. The analog front-end achieves 90dB SFDR at 10MSPS sampling rates.The AVR architecture features SIMD operations for vectorized signal processing. The deterministic interrupt latency ensures precise timing of acquisition triggers.As a member of the AT43USB family, this device shares calibration algorithms with related products. The consistent measurement API simplifies instrument design.The 512 x 8 memory implements ECC protection for measurement integrity. The multi-port architecture allows simultaneous access from acquisition and processing units.The SPI Serial, USB, UART connectivity includes JESD204B serial links with 12.5Gbps lanes. Each transceiver implements adaptive equalization for long-reach backplane connections.Providing 32 configurable ports, the device supports direct sensor excitation. Each analog output includes 20-bit calibration coefficients in OTP memory.Operating from 4.4V ~ 5.25V sources, the power architecture achieves 100dB PSRR. The integrated voltage references maintain 1ppm/ C stability for precision measurements.Rated for 0°C ~ 70°C operation, the package uses low-thermal EMF materials. The symmetrical design minimizes thermocouple effects in sensitive circuits.The Surface Mount configuration supports impedance-controlled PCB layouts. The package footprint includes guard ring connections for sensitive analog sections.Available in 100-LQFP format, the package features gold-plated pads for contact reliability. The low-ESL design maintains signal integrity up to 3GHz bandwidth.Supplied in 100-LQFP (14x14) configuration, each unit includes individual calibration reports. Production testing includes full characterization across temperature.
Product Attributes
- Product Status: Obsolete
- Applications: USB Hub/Microcontroller
- Core Processor: AVR
- Program Memory Type: -
- Controller Series: AT43USB
- RAM Size: 512 x 8
- Interface: SPI Serial, USB, UART
- Number of I/O: 32
- Voltage - Supply: 4.4V ~ 5.25V
- Operating Temperature: 0°C ~ 70°C
- Mounting Type: Surface Mount
- Package / Case: 100-LQFP
- Supplier Device Package: 100-LQFP (14x14)
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