Analog Discovery Pro (ADP3450/ADP3250) Specifications

These specifications are valid following 30 minutes of warm-up and are typical at 25 °C unless otherwise noted.

Mixed Signal Oscilloscope

Analog Input Channels

Supports the Oscilloscope, Voltmeter, Data Logger, Spectrum Analyzer, Network Analyzer, Impedance Analyzer, and Script Editor instruments.

Vertical System

Number of Channels ADP3450: 4
ADP3250: 2
There are no other specification differences between the ADP3450 and ADP3250.
Input Type Single-ended
Connector Type Front panel BNC
Input Coupling AC, DC
Bandwidth (-3dB) ≥55 MHz1)
Hardware Bandwidth Limit (-3dB) 20 MHz, can be enabled or disabled in software per channel
Resolution 14 bits
Software-Enhanced Vertical Resolution 16 bits at ≤25 MS/s (at default 100 MS/s sample rate)
Input Impedance 1 MΩ ││ 15 pF
AC Coupling Cut-off Frequency 12 Hz at -3 dB
Absolute Resolution 0.125 mV (scale ≤ 200 mV/div)
3.05 mV (scale > 200 mV/div)
Accuracy (DC to 1 kHz, Integrative measurements)2) ±10 mV ± 0.5% (scale ≤ 200 mV/div, VinCM = 0 V)
±100 mV ± 0.5% (scale > 200 mV/div, VinCM = 0 V)
Input Range ±25 V with respect to ground (50 V peak-to-peak)
Vertical Sensitivity (range) 500 µV/div to 5 V/div (10 ranges)
Acquisition Modes Sample, peak detect, averaging, oversampling3)
Overvoltage Protection ±50 V DC or ±30 V RMS

DC Offset Range

Range Full Scale Offset Offset Accuracy
Low range (≤200 mV/div) 2 V peak-to-peak ±1 V ±25 mV
High range (>200 mV/div) 50 V peak-to-peak ±25 V ±625 mV
1) A probe with the appropriate frequency response is required to reach the specified oscilloscope bandwidth.
2) Average, High, Low, Middle, Amplitude, AC RMS, DC RMS are integrative measurements; they include average mechanisms which reduce the effect of noise and short pulses (overshoots, undershoots). Max, Min, Pk2Pk, Overshoot, RiseOvershoot, FallOvershoot are sample based measurements, affected by noise and short pulses (overshoots, undershoots).
3) With steady periodic signals.

Horizontal System

Maximum Sample Rate Up to 125 MS/s per channel
Fine System Frequency Adjustment 50 MHz to 125 MHz1)
Maximum Oversampling Rate Up to 0.5 GS/s per channel
Buffer Size Up to 32 MS2) per channel in the default Standard mode configuration.3)

Note: Acquisitions are made simultaneously on all enabled channels in all modes.
Note: Memory sizes, including buffer sizes, specified in units like kS and MS, are rounded from equivalent binary power units, such as MiS. For example, a listed 64 MS is rounded from 64 MiS, which is 67,108,864 samples.

1) Adjustable through the WaveForms Device Options. Shared with the Analog Output and Digital I/O.
2) Up to 128 MS when a single channel is used.
3) Buffer size is limited to 32,768 samples when Linux mode is used.

Digital Channels

Supports the Logic Analyzer, Pattern Generator, Static I/O, Protocol Analyzer, and Script Editor instruments.

Vertical System

Number of Channels 16
Connector Header 100 mil 2×12 MTE
Input Voltage 0 V to 3.3 V (5 V tolerant)
Input Current ≤50 µA
Input Threshold 0 V to 2.0 V, dependent on adjustable supply rail
Input Type LVCMOS (1.2 V to 3.3 V, 5 V tolerant), dependent on adjustable supply rail
Input Logic Level Input Low Voltage, VIL
Min 0 V
Max 0.8 V

Input High Voltage, VIH
Min 2.0 V
Max 5.25 V
Output Type Adjustable 1.2 V to 3.3 V set through adjustable supply rail
LVCMOS (3.3 V, 8 mA)
Output Logic Level Output Low Voltage, VOL sinking 8 mA
Min 0 V
Max 0.4 V

Output Max Voltage, VOH sourcing 8 mA
Min 2.4 V
Max 3.456 V
DIO Channel Pull Resistors 10 kΩ, pull-up to adjustable supply rail
Function Control Individually programmable as Digital I/O, Logic Analyzer or Pattern Generator
Protocols SPI, I2C, UART, CAN, I2S, 1-Wire, HDMI CEC, Manchester codes, custom 1)
Pattern Generator Constant, clock, pulse, random, number, Binary counter, Gray counter, Johnson counter, Decimal counter, walking 0/1, custom
Custom Patterns File Import and export custom data as *.csv, *.txt or *.tdms file
Direction Control Input or output, individually selectable
Channel-to-Channel Skew 2 ns, typical
Overvoltage Protection Short-circuit to ground, ±15 V

Note: Characteristics of the logic standard used for digital input/output can be configured within the Power Supplies instrument. For the digital power supply's specifications, see the Digital Power Supply section, below.

1) Available in the Logic Analyzer instrument.

Horizontal System

Default Maximum
Sampling Rate (real-time sampling) 100 MS/s per channel 125 MS/s per channel
Logic Analyzer Buffer Memory 32 MS samples per channel in Standard Mode
Pattern Generator Buffer Memory 32,768 samples per channel

Triggering

Trigger Sources Oscilloscope analog channels, Function generator start, Digital I/O lines, External triggers (TRIG1/TRIG2), Manual
Trigger Modes None, Auto, Manual (Forced Trigger), Single
Analog Trigger Edge, pulse, transition, condition, level, hysteresis, hold-off
Digital Trigger Edge, level, pattern, glitch
Analog/Oscilloscope Trigger Resolution 2 ns
Digital/Logic Analyzer Trigger Resolution 8 ns

External Triggers (TRIG1/TRIG2)

Number of Channels 2
Trigger Type Digital
External Trigger Connector Rear panel BNC
Input Voltage 3.3 V, 5 V tolerant
Input Current ≤50 µA
Input Threshold 0 V to 2.0 V
Input Type LVCMOS (3.3 V, 5 V tolerant)
Input Logic Level Input low voltage, VIL
Min 0 V
Max 0.8 V

Input high voltage, VIH
Min 2.0 V
Max 5.25 V
Output Type LVCMOS (3.3 V, 8 mA)
Output Logic Level Output low voltage, VOL
Min 0 V
Max 0.4 V

Output high voltage, VOH
Min 2.4 V
Max 3.465 V
Channel Pull Resistors 1 MΩ pull-down
Direction Control Individually programmable as input or output
Overvoltage Protection Short-circuit to ground, ±15 V

Arbitrary Waveform Generator (Wavegen)

Supports the Waveform Generator, Network Analyzer, Impedance Analyzer, and Script Editor instruments.

Number of Channels 2
Output Type Single-ended
Connector Type Front panel BNC
Update Rate 100 MS/s by default, 125 MS/s maximum
Resolution 14 bits
Output Impedance 50 Ω
Bandwidth (-3 dB) >15 MHz
Standard Functions Sine, square, triangle, sawtooth, ramp up, ramp down, DC voltage, noise, trapezium, others
Advanced Waveforms Sweep, modulation (AM, FM), math, play mode, custom
Sweep Modes Frequency and Amplitude. Up and down with selectable start/stop frequencies and settable time increments
Custom Waveform Files Supported Import files *.csv, *.txt, *.mp3, *.wav, *.wmv & *.avi, export as image, or as raw data in *.csv, *.txt or *.tdms formats
Output Frequency Resolution 1 µHz
Output Voltage Range ±5 V with open circuit or high-Z load.
±3.5 V at maximum current.
DC Offset Range ±5 V
DC Current Drive 30 mA maximum
Slew Rate 200 V/us (5 V step)
Absolute Resolution 150 µV (│Vout│ ≤ 1 V)
670 µV (│Vout│ > 1 V)
Accuracy ±10 mV ± 0.5% (│Vout│ ≤ 1 V)
±25 mV ± 0.5% (│Vout│ > 1 V)
Buffer Size 32,768 samples per channel, 32 MS per channel in Play configuration
Power-Off State High Impedance
Overvoltage Protection Short-circuit to ground, ±15 V

Output Range

Range Setting AC Amplitude Range DC Offset Range Resolution Amplitude Error DC Offset Error Total Output Range
High range ±5 V ±5 V 670 µV/LSB ±0.5% ±50 mV ±5 V
Low range ±1 V ±5 V 150 µV/LSB ±0.5% ±10 mV ±5 V

Note: Shares external triggers with Mixed Signal Oscilloscope.

Pattern Generator

Shares digital input/output channels with Mixed Signal Oscilloscope: See the Digital Channels specifications.

Features

Spectrum Analyzer

Frequency Range 0 Hz to 50 MHz
Display Modes Magnitude, average, peak hold, min hold, count
Y Axis Logarithmic (dBṼ, dBu, dBm) or linear (volts)
X Axis Linear or Logarithmic
Windowing Functions Rectangular, Triangular, Hamming, Hann, Cosine, Blackman-Harris, Flat Top, Kaiser

Network Analyzer

Frequency Range 20 μHz up to one-quarter of the system clock frequency (25 MHz by default) 1)
Display Modes Magnitude, Phase
Y Axis Linear or Logarithmic
X Axis Linear or Logarithmic
Plots Time, FFT, Nichols, Nyquist
1) Results may be limited by the analog input and output bandwidth of the hardware.

Protocol Analyzer

Shares digital input/output channels with Mixed Signal Oscilloscope: See the Digital Channels specifications.

Protocols UART, SPI, I2C, CAN, CEC, SWD AVR

Math Channels

Operations Addition “+”, Subtraction “-”, Multiplication “*”, Division “/”, Remainder “%”
Brackets Parenthesis “()”, Square “[]”
Constants Exp, Ln, Log, Pi
Functions Logarithm, power, minimum, maximum, square root, sine, cos, tan, arccos, arctan, arctan2, absolute value, round, floor, ceil
Operands All analog and digital input channels, reference waveforms, time, constants, Pi

Automatic Measurements (Analog Channels Only)

Oscilloscope Mode DC to maximum bandwidth of scope
Spectrum Mode Magnitude, average, peak hold, min hold, count
Statistics Logarithmic (dBṼ, dBu, dBm) or linear (volts)

Digital Power Supply

Supported by the Power Supplies and Script Editor instruments. Contains logic standard settings for the digital input/output channels. See the Digital Channels specifications.

Number of Channels 1
Voltage Range 1.2 V to 3.3 V
Current Output 300 mA
Connector Type 2 pins included in the Digital 100 mil 2×12 MTE Header

Connectivity

USB Interfaces

Device to Computer Interface USB 2.0 Hi-Speed, Type B
USB 2.0 Host Ports 4 USB 2.0 Hi-Speed Type A (*see below)

* USB Host Port Current Limits

Minimum Typical Maximum
Left Ports (Indicated by circle on enclosure) 0.9 A 1.06 A 1.22 A
Right Ports 0.51 A 0.61 A 0.68 A

Compatible Wi-Fi Dongles

  • TL-WN823N (RTL8192CU chipset)
  • TL-WN823N (RTL8192EU chipset)
  • TL-WN722N v1 (AR9002U chipset)
  • Cudy WU1300 (RTL8812BU chipset)
  • Cudy WU1300S (RTL8812BU chipset) - 2.4 GHz is unsupported
  • Alpha AWUS036ACH (RTL8812AU chipset) - must be connected to the circled USB ports
  • Panda PAU05
  • Panda PAU09

Note: Digilent recommends the use of the bottom left USB host port for connection to Wi-Fi dongles.

Ethernet Interface

Network Interface 1000 Base-TX, full-duplex
100 Base-TX, full-duplex
100 Base-TX, half-duplex
10 Base-T, full-duplex
10 Base-T, half-duplex
Communication Rates 10/100/1000 Mbps, auto-negotiated
Connector Type RJ-45

Note: MAC address located on a sticker next to the Ethernet port.

Power Requirements

The ADP3450 and ADP3250 require an auxiliary power supply.

Power Supply Voltage 19 V
Power Supply Current 3.4 A
Power Consumption 45 W maximum
Barrel Connector Size 5.5 mm x 1.65 mm

Physical Characteristics

Dimensions 23.40 cm x 19.40 cm x 3.81 cm (9.2 in x 7.6 in x 1.5 in)
Weight 450 g

Environmental

Operating Temperature 0 °C to 40 °C (32 °F to 104 °F)
Storage Temperature -20 °C to 60 °C (-4 °F to 140 °F)
Operating Humidity 10% to 80% RH non-condensing
Storage Humidity 5% to 95% RH non-condensing
Cooling Convection-cooled. Ensure the ventilation holes are not obstructed. 1) 2)
Pollution Degree 2
Maximum Altitude 2,000 m

Indoor use only

1) The side vents are sufficient cooling for normal operation.
2) The device's fold-out feet can be used to allow for circulation through ventilation holes located on the bottom of the device.

Safety

This product is designed to meet the requirements of the following electrical equipment safety standards for measurement, control, and laboratory use:

  • IEC 61010-1, EN 61010-1
  • UL 61010-1, CSA 61010-1

Electromagnetic Compatibility

This product meets the requirements of the following EMC standards for electrical equipment for measurement, control, and laboratory use:

Emissions

  • EN 61326-1:2013 (IEC 61326-1:2012), Class A
  • IEC CISPR 11: 2015 / A1: 2016 (Ed 6.1)

Immunity

  • EN 61326-1:2013 (IEC 61326-1:2012), Basic
  • EN 61000-3-2: 2014
  • EN 61000-3-3: 2013
  • IEC 61000-4-2: 2008
  • IEC 61000-4-3: 2006 / A1: 2007 / A2: 2010
  • IEC 61000-4-4: 2012
  • IEC 61000-4-5: 2014 / A1: 2017
  • IEC 61000-4-6: 2013 / COR1: 2015
  • IEC 61000-4-8: 2009
  • IEC 61000-4-11: 2004 / A1: 2017

CE Compliance

This product meets the essential requirements of applicable European Directives, as follows:

  • 2014/35/EU; Low-Voltage Directive (safety)
  • 2014/30/EU; Electromagnetic Compatibility Directive (EMC)
  • RoHS Directive 2011/65/EU as amended by Directive (EU) 2015/863