MCC USB-230 Series: USB-234 16-bit, 100 kS/s Multifunction DAQ Device - Datasheet

Measurement Computing [phone]
3
[e-mail] mccdaq.com
USB-230 Series
Specifications
Specifications
These specifications apply to both USB-230 Series standard and OEM versions
unless noted otherwise.
Analog Input
A/D converter type: Successive approximation
ADC resolution: 16 bits
Sample rate (maximum aggregate)
USB-231: 50 kS/s
USB-234: 100 kS/s
Number of channels: 8 single-ended or 4 differential; software-selectable
Input voltage range: ±10 V
Working voltage: ±10 V
Overvoltage protection
Power on: ±30 V max
Power off: ±20 V max
Input impedance: >1 GΩ
Input bias current: ±200 pA, typ
INL: ±1.8 LSB
DNL: 16 bits no missing codes
CMRR: 56 dB (DC to 5 kHz)
Input bandwidth: 300 kHz
Trigger sources: Software, TRIG
Absolute Accuracy (Analog Input DC Voltage Measurement Accuracy)
Range: ±10 V
At full scale (typical at 25 °C): 6 mV
At full scale (maximum over temperature): 26 mV
System noise: 0.4 mVrms
Control Logic
+VO
Digital Grounds (2)
Analog Grounds (6)
80 MHz Clock
8
Full-Speed
USB 2.0
Compliant
Interface
USB
Connector
(Micro-B)
Analog Inputs
Analog Outputs
2
8
Digital I/O
Counter Input
Trigger Input
I/O Connectors
USB-230 Series Block Diagram
Analog Output
Resolution: 16 bits, 1 in 65,536
Output range: ±10 V
Number of channels: 2
Update rate: 5 kS/s simultaneous per channel max, hardware-paced
Trigger sources: Software, TRIG
Output current drive: ±5 mA
Short circuit current: ±11 mA
Slew rate: 3 V/µs
Output impedance: 0.2 Ω
Absolute accuracy (No Load)
Typical at full scale: 8.6 mV
Maximum over temperature, full scale: 32 mV
INL: ±4 LSB
DNL: 16 bits No Missing Codes
Power-on state: 0 V
Startup glitch: –7 V for 10 µs
Timebase
The following specifications apply to hardware-paced analog input and analog
output sampling accuracy.
Timebase frequency: 80 MHz
Timebase accuracy: ±100 ppm
Timing resolution: 12.5 ns
Digital Input/Output
Compatibility: LVTTL, 3.3 V LVCMOS
Number of channels: 8 (DIO0 through DIO7)
Configuration: Each bit can be configured as input (power on default) or output
Pull-down resistor: 47.5 kΩ to digital ground (GND).
Absolute maximum voltage range: –0.3 V to 5 V with respect to digital ground
(GND)