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USB-3100 Series

Block Diagrams

Microcontroller

DIO

8 Channels

SPI

SPI

Full-Speed

USB 2.0

Compliant

Interface

SYNCLD

1

1

1

High-Drive

Analog Voltage

Output

8

D/A

D/A

D/A

D/A

4

4

4

High-Drive

Analog Voltage

Output

4

High-Drive

Analog Voltage

Output

4

High-Drive

Analog Voltage

Output

4

4

4

USB

1

Event Counter

(32-bit)

5 V Regulated

Power Supply

Microcontroller

High-Speed

USB 2.0

Compliant

Interface

AO 0

COM

AO 2

COM

AO 3

COM

AO 1

COM

USB

Overvoltage Short-circuit

Protection

Isolated

DAC

Amp

Overvoltage Short-circuit

Protection

Isolated

DAC

Amp

Overvoltage Short-circuit

Protection

Isolated

DAC

Amp

Overvoltage Short-circuit

Protection

Isolated

DAC

Amp

USB-3101FS Block Diagram

USB-3114 Block Diagram

With 16 channels of high-drive analog voltage output, the USB-3114 contains a superset of the analog output features of

these USB-3100 Series devices:

• USB-3110: 4 voltage output channels

• USB-3112: 8 voltage output channels