The USB-1602HS Series are high speed devices that can sample analog, digital, and counter inputs simultaneously, while generating analog outputs (when supported) and digital patterns at the same time. This versatile device caters to engineers, researchers, and hobbyists seeking precise data acquisition capabilities.

Model USB-1604HS-2AO Key Features

• Analog Input: 4 SE
• Sample Rate per Channel (max): 1.33 MS/s/ch
• Analog Output: 2
• Digital I/O: 16 input / 16 output
• Counter Input: 4 for monitoring events or pulses
• Quadrature Encoders: 3 for position sensing
• Timer outputs: 2
• SCSI and BNC connectors

Specifications (See datasheet for full details)

• Analog Input -
  • A/D converter type: 16-bit successive approximation type
  • Input configuration: Single-ended
  • Sampling method: Simultaneous; individual A/D per channel
  • Input ranges: +/-10 V, +/-2.5 V, +/-500 mV
  • Absolute max input voltage: +/-30 V max (power on), +/-20 V max (power off)
  • Input impedance: 10 Megohm (typ, power on)
  • Input bias current: < 2 μA
  • Input bandwidth (–3 dB): 3 MHz, typ
  • Resolution: 16-bits
  • Pace analog input operations with the internal A/D pacer clock or with an external clock
• Analog Output -
  • Number of channels: 2, independent (DAC 0, DAC 1)
  • Resolution : 16-bits
  • Output range: +/-10 V
  • Throughput: 2 channels, 1 MS/s each channel
  • Pacer sources: Internal, external, slaved to analog input pacing
  • Current output: +/-5 mA max
  • Slew rate: 10 V/μs
• Digital Input -
  • Number of channels: 16 inputs (DIN0-DIN15)
  • Rates up to 8 MS/s for one channel
  • Analog channels: rate is 1.33 MS/s
• Digital Output -
  • Number of channels: 16 outputs (DOUT0-DOUT15)
  • Can be updated asynchronously at any time
  • Digital pattern up to 4 MS/s
  • Onboard clock: updates range from once every 1000 seconds to 1 MHz
• Counter Input - 4 counters accept frequency inputs up to 20 MHz. Channels can be read as 16-bit or 32-bit counters. Default input type is TTL, rising-edge triggered. Can be can be read asynchronously or synchronously.
  • When read synchronously, all counters are set to zero at the start of an acquisition
  • When read asynchronously, counters may be cleared on each read, count up continually, or count until the 16-bit or 32-bit limit is reached
  • Counter, period, pulse width measurement (PWM), and timing counter modes are supported
• Quadrature Encoders - Up to 3 quadrature encoders. 16- or 32-bits resolution. Each input can be debounced to eliminate noise or false edges, or to switch induced transients. 6 MHz max frequency.
• Trigger Input -
  • Hardware-based triggers: Analog input hardware, External digital trigger input (DIG TRIG pin)
  • Software-based triggers: Analog software trigger, Digital pattern, Counter/totalizer
• Timer Output - Software-selectable duty cycle and frequency, Asynchronously updatable
• Clock I/O - Independent input and output pacing clocks
  • Analog channels: paced from 0.75 μs to 1000 seconds in 20.83 ns steps
  • Digital / counter inputs: paced from 250 ns to 1 second in 20.83 ns steps
  • 8 MHz max rate for internal/external input
  • 1 MHz max rate for analog output and 8 Mhz max for digital with no analog enabled
• Setpoint Detection - Configurable detection setpoint for each analog input channel
• Signal Connections - 68-pin SCSI connector for signal I/O, BNC connectors for analog inputs
• Software Support - compatible with Visual C++, Visual C#, Visual Basic .NET, DASYLab, LabVIEW, MATLAB, and Python
• Calibration - Factory-calibrated using a NIST-traceable calibration

What's in the Box

• USB-1604HS-2AO USB DAQ Device
• USB cable
• Software Quick Start print insert
• Power Supply, 5 VDC Output, USA style plug