User manual

RT USB3000 Technical Description and User Manual Rev. 4.1. 14 of 18
5.2. Connecting to the object
5.2.1. Connecting to the Analog Port
The analog port of the device is described in the table, where Хn —non-inverting, and Yn —
inverting inputs of the differential channel n; NC — the pin is reserved.
Pin
num.
Description
Pin
num.
Description
1 X1 input 20 Y1 input
2 X2 input 21 Y2 input
3 X3 input 22 Y3 input
4 X4 input 23 Y4 input
5 X5 input 24 Y5 input
6 X6 input 25 Y6 input
7 X7 input 26 Y7 input
8 X8 input 27 Y8 input
9 AGND – Analog ground 28 AGND – Analog ground
2
10 SYN – synchronization input
3
29 NC
11 DAC1 – DAC output (first output) 30 DAC2 – DAC output (second output)
12 – 6 V (analog supply) output 31 NC
13 + 6 V (analog supply) output 32 NC
14 + 3.3 V (digital supply) output 33 + 3.3 V (digital supply) output
15 + 5 V (digital supply) output 34 + 5 V (digital supply) output
16 NC 35 NC
17 NC 36 DACGND – DAC ground
18 NC 37 DACGND – DAC ground
19 ADC_EXT – data acquisition external
clocking input
4
2
Analog ground is connected to DAC ground and to digital USB ground inside the device.
3
See Start synchronization. Allowable potential on the SYN input is 0… 3,5 V relative to the ground (contacts 9,
28).
4
See Acquisition synchronization. Allowable potential on the ADC_EXT input is 0… 5,5 V relative to the ground
(contacts
number 9, 28).