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410-257P-GROUP

410-257P-GROUP

  • 厂商:

    DIGILENT(迪芝伦)

  • 封装:

    -

  • 描述:

    ANVYLPMODPACK

  • 数据手册
  • 价格&库存
410-257P-GROUP 数据手册
1300 Henley Court Pullman, WA 99163 509.334.6306 www.digilentinc.com PmodAD1™ Reference Manual Revised April 15, 2016 This manual applies to the PmodAD1 rev. G Overview The Digilent PmodAD1 is a two channel 12-bit analog-to-digital converter that features Analog Devices AD7476A. With a sampling rate of up to 1 million samples per second, this Pmod is capable of excelling in even the most demanding audio applications. Features include:       The PmodAD1. 1 Two channel 12-bit analog-to-digital converter Simultaneous A/D conversion at up to one MSa per channel Two 2-pole Sallen-Key anti-alias filters Small PCB size for flexible designs 0.95 in × 0.8 in (2.4 cm × 2.0 cm) 6-pin Pmod port with GPIO interface Library and example code available in resource center Interfacing with the Pmod The PmodAD1 communicates with the host board via an SPI-like communication protocol. The difference between the standard SPI protocol and this protocol is manifested in the pin arrangement on this Pmod. A typical SPI interface would expect a Chip Select, a Master-Out-Slave-In, a Master-in-Slave-Out, and a Serial Clock signal. However, with the two ADCs on this chip, both of the data lines (MOSI and MISO) are designed to operate only as outputs, making them both Master-In-Slave-Out data lines. The PmodAD1 will provide its 12 bits of information to the system board through 16 clock cycles with first four bits consisting of four leading zeroes and the remaining 12 bits representing the 12 bits of the data with the MSB first. The first leading zero is clocked out on the falling edge of the CS signal with all of the subsequent bits clocked out on the falling edge of the serial clock signal. DOC#: 502-064 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners. Page 1 of 2 PmodAD1™ Reference Manual A pinout table and diagram for the PmodAD1 are provided below: Header J1 Pin Signal Description 1 CS Chip Select 2 D0 Input Data 1 3 D1 Input Data 2 4 SCK Serial Clock 5 GND Power Supply Ground 6 VCC Power Supply (3.3V/5V) Header J2 Pin Signal Description 1 A0 Input Data 1 2 GND Power Supply Ground 3 A1 Input Data 2 4 GND Power Supply Ground 5 GND Power Supply Ground 6 VCC Positive Power Supply Figure 1. AD1 circuit diagram. Table 1. Pin descriptions as labeled on the PmodAD1. Any external power applied to the PmodAD1 must be within 2.35 to 5.25 volts to ensure that all of the components in the PmodAD1 work correctly. 2 Physical Dimensions The pins on the pin header are spaced 100 mil apart. The PCB is 0.95 inches long on the sides parallel to the pins on the pin header and 0.80 inches long on the sides perpendicular to the pin header. Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners. Page 2 of 2
410-257P-GROUP 价格&库存

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