Hardware Description; Jumpers; Integrated Circuits (Ic); Led - Analog Devices EVAL-ADUSB2EBZ User Manual

Evaluation Board User Guide

HARDWARE DESCRIPTION

JUMPERS

Table 1. Connector and Jack Descriptions
Reference Functional Name
J1 Control port
J2 5 V dc input
J3 Power select
J4 Serial audio
J5 Battery 1.5 V
J6, J7 Digital microphone inputs
J8 IOVDD 1772_IOVDD
J9 MP pin jumpers
J10 IOVDD VDD
J11, J14 Microphone bias
J12 DVDD regulator (REG)
J13 Out R
J15 Power down
J16 Out L
J17 VDD AVDD

INTEGRATED CIRCUITS (IC)

Table 2. IC Descriptions
Reference Functional Name
U1 ADAU1772 SigmaDSP
U2 Microchip M24C32-F serial EEPROM
U3 ADP1713AUJZ low dropout (LDO) regulator
U4 ADP1607 boost regulator

LED

Table 3. LED Description
Reference Functional Name
D1 VDD power LED
Description
It facilitates communication between the evaluation board and USBi board.
It provides external power to the board. It accepts 3.8 V dc to 6 V dc input.
Jumper used to select power source for the evaluation board. Selectable between USB/external
and battery.
It accepts serial audio signals in I
Jumper used to power the board via a 1.5 V battery.
Headers that allow digital microphones to be connected to the evaluation board.
Jumper supplies power to the IOVDD supply of the
Jumpers used to connect push-buttons on the board to MP Pins on the ADAU1772.
Jumper connects IOVDD on the
Jumpers used to add a microphone bias to the analog microphone inputs, AIN0 and AIN1.
Jumper connects DVDD on the
Jumper provides access to the mono differential output right.
Jumper used to power down the
Jumper provides access to the mono differential output left.
It connects AVDD on the ADAU1772
Description
Digital audio signal processor
Self-boot memory
Linear regulator that generates 1.5 V from an off-board power supply
Boost regulator that generates 1.8 V or 3.3 V for the board supply from a 1.5 V input
Description
It illuminates when the evaluation board is powered up.
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2 S, left justified, right justified, or TDM format.
ADAU1772
ADAU1772 to VDD (3.3 V board supply) on the evaluation board.
ADAU1772 to its internal regulator.
ADAU1772 analog and digital circuits.
to VDD (3.3 V board supply) on the evaluation board.
UG-477
from the power supply section