USB-2633 datasheet(2/5 Pages) ETC

2 / 5 page

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USB-2600 Series

Features

Calibration

The USB-2600 Series is factory-calibrated using a NIST-traceable

calibration process. Specifications are guaranteed for one year.

The USB-2600 Series also supports field calibration for users to

calibrate the device locally with the InstaCal utility.

Signal Connections

All signals are available from the 68-pin SCSI connectors or the

four header connectors. The headers also provide two additional

timer outputs, and an additional 48 SE analog inputs on the

USB-2633 and USB-2637. Use a C40FF-x or custom cable for

header connections.

TB-100 Screw Terminal Board

The optional TB-100 screw terminal board connects directly to

the SCSI connector using a CA-68-xx ribbon cable. The TB-100

provides access to 16 SE analog inputs, up to four analog outputs,

24 digital I/O, and all counters/timers. When using the TB-100

with the USB-2633 and USB-2637, access to the remaining 48 SE

analog inputs is available through the 40-pin header connectors.

TB-103 Screw Terminal Board

The optional TB-103 screw terminal board connects directly to

the 40-pin headers on a USB-2600 Series board, and secures to

the board with the included stand-offs. The TB-103 provides

access for up to 64 SE analog inputs (when using a USB-2633

or USB-2637), up to 4 analog outputs (when using a USB-2627

or USB-2637), 24 digital I/O and all counters/timers.

USB-2637 connected to TB-103 screw-terminal board.

USB-2600 Series Block Diagram

Calibration

Voltage Sources

Calibration

Voltage Sources

DIO

Protection

DIO

Protection

16-bit ADC

1 MSPS

Crystal

24 MHz

Crystal

24 MHz

Temperature

Sensor

Temperature

Sensor

USB

Port

USB

Port

D+/D–

Vbus

(5V)

Microcontroller

with USB 2.0

High-speed

Interface

Bitwise-programmable

DIO with

Configurable

Pull-ups

Bitwise-programmable

DIO with

Configurable

Pull-ups

16-bit FIFO bus

8-bit Data bus

Clock output

Power

Control

3.3V

Always On

Power Supplies

with Shutdown

and Soft-start

+12V

–12V

3.3V

1.2V

Power Supplies

with Shutdown

and Soft-start

+12V

–12V

3.3V

1.2V

EEPROM

SRAM

Registers

Amp

16-bit DAC

XDAC0

16-bit DAC

XDAC0

±10 V

Registers

Amp

16-bit DAC

XDAC1

±10 V

Registers

Amp

16-bit DAC

XDAC2

±10 V

Registers

Amp

16-bit DAC

XDAC3

16-bit DAC

XDAC3

±10 V

Multiplexer

Level Shift/

Attenuate

Level Shift/

Attenuate

In-Amp

Power out

+VO

External trigger input (TTLTRG)

External input scan clock (XAPCR)

External output scan clock (XDPCR)

Counter input (CNT0 to CNT3)

Timer output (TMR0 to TMR3)

(SE)

FPGA

USB-2627/USB-2637 Only

USB-2623/USB-2627: 16 SE AI

USB-2633/USB-2637: 64 SE AI

USB-2633 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

USB-2633 Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers

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