Evaluation Board Hardware; Eval-Ad7383Fmcz Description; Power Supplies - Analog Devices EVAL-AD7383FMCZ User Manual

UG-1770

EVALUATION BOARD HARDWARE

EVAL-AD7383FMCZ DESCRIPTION

The EVAL-AD7383FMCZ is an evaluation board for the AD7383,
a 16-bit, dual, simultaneous sampling, high speed, low power,
SAR ADC with a pseudo differential input.

POWER SUPPLIES

Ensure that all link positions are set according to the required
operating mode before applying power and signals to the EVAL-
AD7383FMCZ. See Table 2 for the complete list of link options.
The EVAL-AD7383FMCZ is powered by the
External power supplies can be applied to the EVAL-
AD7383FMCZ. See Table 1 for a description of the optional
Table 1. Optional External Power Supplies
Power Supply Connector
12 V P4-1
GND P4-2
V P5-1
CC
GND P5-2
V P5-3
LOGIC
AMP+ P6-1
GND P6-2
AMP− P6-3
SIGNALS
SDP-H1 by default.
Voltage Range (V)
12 ± 10%
0
3.0 to 3.6
0
1.65 to 3.6
5 ± 5%
0
−2.5 ± 5%
ON-BOARD
VCC
POWER SUPPLIES
VLOGIC
ADP7104
GND
+5V
AMP+
AMP+ ADP166
+2.3V
AMP–
VLOGIC
GND
ADA4896-2
V
LOGIC
A x+
IN
INPUT
ADA4896-2
A x–
IN
ADR4533
+3.3V
Figure 3. EVAL-AD7383FMCZ Functional Block Diagram
EVAL-AD7383FMCZ
external power supply connectors and Table 2 for the required
link option function descriptions. The EVAL-AD7383FMCZ
has low dropout (LDO) linear regulators (the ADP7182,
ADP7104, and ADP166) that supply power to the AD7383 and
its supporting circuitry, such as the
the ADR4533
can also be used with AD7383. The EVAL-AD7383FMCZ has a
footprint ready to place an
power supply is required for evaluation. A pseudo differential
signal can be connected on the Subminiature Version B (SMB)
connectors, J1 to J4.
Description
Main board power supply for all internal voltage regulators
Ground
ADC analog power supply
Ground
Digital serial peripheral interface (SPI) power supply
Amplifier positive power supply
Ground
Amplifier negative power supply
12V DC
INPUT
GND
ADP7182
–2.5V
POWER
AMP+
GOOD
ADP166
+3.3V
VCC
V GND
CC
CS
SCLK
AD7383
SPI
SDI
SDOA
SDOB/ALERT
REFIO
ADR4525
+2.5V
Rev. A | Page 4 of 16
Evaluation Board User Guide
ADA4896-2
reference circuit. An external 2.5 V power supply
ADR4525 when an external 2.5 V
TO PC
USB
12V
DIGITAL
SIGNAL
PROCESSOR
SPI
EVAL-SDP-CH1Z
CONTROLLER
BOARD
amplifiers and