User manual

RT USB3000 Technical Description and User Manual Rev. 4.1. 3 of 18
2. Specifications
Analog-to-Digital Converter (ADC)
Number of input channels 8 differential
Input signal range ± 5 V
Max. aggregate throughput (all channels) 3 MS/s
Max. sampling rate (one channel) 3 MS/s
Max. channel switching frequency 3 MHz
ADC resolution 14 bits
Sensitivity 1 mV
Reference limiting error 0.05 %
Typical input current in any operation mode 0.45 µA
Typical input capacitance in any operation
mode
12 pF
Typical common-mode rejection ratio (input
signal 4 V, 10 kHz)
-75 dB
Typical crosstalk (for input signal 10 kHz with
channel switching frequency 2 MHz)
-89 dB
Input synchronization Internal, external (TTL)
Input overvoltage protection:
Permanent overvoltage (10 sec) ±25 V
Impulse (1 ms) ±250 V
Digital-to-Analog Converter (DAC)
Number of output channels 2
Output signal range ± 5 V
DAC resolution 12 bits
Max. update rate (one channel) 10 µs
Output current Up to 15 mA per channel
Logic Analyzer (Digital Inputs)
Number of inputs (TTL) 10
Max. sampling rate (all inputs) 6 MS/s
Input high-level voltage 1.7 … 5.75 V
Input low-level voltage - 0.5 … + 0.8 V
Input current (V
I
= 3.3 V) 10 µA
Input synchronization Internal, external (TTL)
Digital Outputs
Number of outputs (TTL) 8
Minimum high-level voltage (IO = -8 mA) 2.4 V
Maximum low-level voltage (IO = -8 mA) 0.4 V
General Parameters
PC interface USB 2.0